FCC ID: CAST2010-313 Mobile Transceiver

 

User Manual Please refer to the user manual exhibits, T2000 user manual part 1 to 10, uploaded for CAS2000-6231, under EA510507. The T2000 user manual covers several models including this one. Specific references of where to find schematics, detalied mechanical drawings, part lists and other info among the parts of the manual will be further uploaded.

 

 

Company Name ___________________________ Name ___________________________ Department ___________________________ Street or PO Box ___________________________ Town and Postcode ___________________________ Country ___________________________ Manual Product Code M___________-______-_______

Customer Services Mobile Radio Division Tait Electronics Ltd PO Box 1645 Christchurch New Zealand Fax: (64) (3) 358-3903 So that you are kept up to date with documentation relevant to this product, please fill out and return this registration form. Do you wish to be notified by your Tait subsidiary when Revision Packages are available, so that you can keep this manual up to date?

Yes Would you like to know about technical training services?

Yes

In order to improve our documentation, we would like your opinion of this manual. Please put a mark in the column that best describes your opinion. poor average excellent Technical Depth Technical Accuracy Readability Ease of Use Document Format Overall Satisfaction Comments: _______________________________________________________________________ _________________________________________________________________________________ Is there any additional documentation we should provide?______________________________ _________________________________________________________________________________ What industry are you in (e.g. Telecomms, Security, Forestry)? ___________________________ Do you use other Tait products?

T2000

T700

T800 Mobile Data Trunking Other

Tait Electronics Ltd 558 Wairakei Road P.O. Box 1645 Christchurch New Zealand Phone: 64 3 358-3399 Fax: 64 3 358-3636

Tait Electronics (Aust) Pty Ltd 275 Toombul Road Northgate 4013 P.O. Box 679 Virginia Queensland 4014 Australia Phone: 61 7 3865-7799 Toll Free: 1 300 304-344 Fax: 61 7 3865-7990 E-mail: helpdesk@tait.com.au

Tait Mobile Radio Ltd 14/1 Suwan Tower, Ground Floor Soi Saladaeng 1 North Sathorn Rd Bangrak Bangkok 10500 Thailand Phone: 662 267-6290 Fax: 662 267-6293 E-mail: taitthd@loxinfo.co.th

Tait Mobile Radio Ltd Ermine Business Park Ermine Road Huntingdon Cambridgeshire PE18 6YA United Kingdom Phone: 44 1480-52255 Fax: 44 1480-411996 E-mail: techsupport@tait.co.uk

Tait Electronics (USA) Inc. 9434 Old Katy Road Suite 110 Houston Texas 77055 USA Phone: 1 713 984-8684 Toll Free: 1 800 222-1255 Fax: 1 713 468-6944 E-mail: tech@taitus.com

Tait Mobilfunk GmbH Willsttterstrae 50 D-90449 Nrnberg 60 Germany Phone: 49 911 967-460 Fax: 49 911 967-4679 E-mail: tait@t-online.de

Tait Mobile Radio (Hong Kong) Ltd Room 703A New East Ocean Centre 9 Science Museum Road Tsim Sha Tsui East Hong Kong Phone: 852 2369-3040 Fax: 852 2369-3009 E-mail: 106122.2060@compuserve.com

Tait Communications Ltd Unit 4, 75 Blenheim Road P.O. Box 1185 Christchurch Phone: 64 3 348-3301 Fax: 64 3 343-0558 E-mail: nsc@tcl.tait.co.nz

Tait Electronics (Far East) Pte Ltd 4 Leng Kee Road SIS Building #05-11A Singapore 159088 Phone: 65 471-2688 Fax: 65 479-7778 E-mail: taittfe@singnet.com.sg

Tait Mobile Radio Inc. Unit 5, 158 Anderson Avenue Markham Ontario L6E1A9 Canada Phone: 1 905 472-1100 Fax: 1 905 472-5300 E-mail: 110252.44@compuserve.com

Tait Mobile Radio (Taiwan) Ltd 1104, 142 Chung Hsiao E Rd Sec 4 Taipei Taiwan Phone: 886 2 2731-1290 Fax: 886 2 2711-6351 E-mail: tait8503@ms7.hinet.net

Tait France S.A.R.L. 2 avenue de la Cristallerie 92 316 Svres, Cedex France Phone: 33 1 41 14-05-50 Fax: 33 1 41 14-05-55 E-mail: 100675.651@compuserve.com

This manual contains general, technical and servicing informa-

tion on T2000 Series II mobile two-way radios. We have published this manual in a ring binder so that revision packages containing additional information can be added as required.

Revision packages will normally be published to coincide with the release of information on a new PCB, and may also contain additions or corrections pertaining to other parts of the manual. If you return the customer registration card at the front of this manual, you will be notified when revision packages containing new PCB information and/or text are available. You may then order as many packages as you require from your local Tait Company. Revision packages are supplied ready-punched for inclusion in your manual. Each page in this manual has a date of issue. This is to comply with various Quality Standards, but will also serve to identify which pages have been updated and when. Each page and its publication date is listed in the List of Effective Pages, and a new list containing any new/revised pages and their publica-

tion dates will be sent with each revision package. Any portion of text that has been changed is marked by a verti-

cal line (as shown at left) in the outer margin of the page. Where the removal of an entire paragraph means there is no text left to mark, an arrow (as shown at left) will appear in the outer mar-

gin. The number beside the arrow will indicate how many para-

graphs have been deleted. The manual issue and revision status are indicated by the last three digits of the manual product code. These digits start at 100 and will increment through 101, 102, 103, etc., as revision pack-

ages are published, e.g:

3 0 1 issue status revision status Thus, Issue 301 indicates the first revision to issue 3, and means that one package should have been added to the manual. The issue digit will only change if there is a major product revision, or if the number of revision packages to be included means that the manual becomes difficult to use, at which point a new issue manual will be published in a new ring binder. PCB information is provided for all current issue PCBs, as well as all previous issue PCBs manufactured in production quanti-

ties, and is grouped according to PCB. Thus, you will find the parts list, grid reference index (if necessary), PCB layouts and circuit diagram(s) for each individual PCB grouped together.

2

If you find an error in this manual, or have a suggestion on how it might be improved, please do not hesitate to contact the Tech-

nical Writer, Product Support Group, Tait Mobile Radio Divi-

sion, Tait Electronics Ltd, P.O. Box 1645, Christchurch, New Zealand.

## $ Any enquiries regarding this manual or the equipment it describes should be addressed in the first instance to your nearest approved Tait Dealer or Service Centre. Further tech-

nical assistance may be obtained from the Product Support Group, Tait Mobile Radio Division, Tait Electronics Ltd, Christchurch, New Zealand.

%&(&! In the interests of improving performance, reliability or servicing, Tait Electronics Ltd reserve the right to update their equipment and/or manuals without prior notice.

)& All information contained in this manual is the property of Tait Electronics Ltd. All rights are reserved. This manual may not, in whole or part, be copied, photocopied, reproduced, translated stored or reduced to any electronic medium or machine readable form without prior written permission from Tait Electronics Ltd.

*# Service Manuals should be ordered from your nearest Tait Branch or approved Dealer. When ordering, quote the Tait product code and, where applicable, the version.

*$ M2000-00-300 T2000 Series II Service Manual Issue 300 published January 1997 Issue 301 published March 1998

,*# The total number of pages in this Manual is 484, as listed below.

Page Issue Date 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 1.10 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 2.10 2.11 2.12 2.13 2.14 2.15 2.16 2.17 31/12/97 31/12/97 31/10/96 31/10/96 31/12/97 31/12/97 31/12/97 31/12/97 31/12/97 31/10/96 31/12/97 31/12/97 31/12/97 31/12/97 31/12/97 31/12/97 31/12/97 31/12/97 31/12/97 31/12/97 31/10/96 31/10/96 31/10/96 31/10/96 31/12/97 31/12/97 31/10/96 31/10/96 31/12/97 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 2.18 2.19 2.20 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 3.10 3.11 3.12 3.13 3.14 3.15 3.16 3.17 3.18 4.1 4.2 4.3 4.4 4.5 4.6 4.7 4.8 4.9 4.10 4.11 4.12 5.1 5.2 5.3 5.4 5.5 5.6 5.7 5.8 5.9 5.10 5.11 5.12 5.13 5.14 5.15 5.16 31/10/96 31/10/96 blank 31/12/97 31/10/96 31/10/96 31/10/96 31/10/96 31/12/97 31/10/96 31/10/96 31/12/97 31/12/97 31/12/97 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/12/97 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 blank 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96

5.17 5.18 5.19 5.20 5.21 5.22 5.23 5.24 5.25 5.26 5.27 5.28 5.29 5.30 5.31 5.32 6.1 6.2 6.3 6.4 6.5 6.6 6.7 6.8 6.9 6.10 7.1 7.2 7.3 7.4 7.1.1 7.1.2 7.1.3 7.1.4 7.1.5 7.1.6 7.1.7 7.1.8 7.1.9 7.1.10 7.2.1 7.2.2 7.2.3 7.2.4 7.2.5 7.2.6 7.2.7 7.2.8 7.2.9 7.2.10 7.3.1 7.3.2 7.3.3 7.3.4 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/12/97 31/10/96 31/12/97 31/12/97 31/10/96 31/10/96 31/12/97 31/12/97 31/10/96 31/10/96 31/12/97 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 blank 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 (fold-out) blank 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 (fold-out) 31/10/96 (fold-out) 31/10/96 31/10/96 31/10/96 31/10/96

7.3.5 7.3.6 7.3.7 7.3.8 7.3.9 7.3.10 7.4.1 7.4.2 7.4.3 7.4.4 7.4.5 7.4.6 7.4.7 7.4.8 7.4.9 7.4.10 7.5.1 7.5.2 7.5.3 7.5.4 7.5.5 7.5.6 7.5.7 7.5.8 7.5.9 7.5.10 7.6.1 7.6.2 7.6.3 7.6.4 7.6.5 7.6.6 7.6.7 7.6.8 7.6.9 7.6.10 7.6.11 7.6.12 7.6.13 7.6.14 7.6.15 7.6.16 7.6.17 7.6.18 7.6.19 7.6.20 7.7.1 7.7.2 7.7.3 7.7.4 7.7.5 7.7.6 7.7.7 7.7.8 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 (fold-out) 31/10/96 (fold-out) 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 (fold-out) 31/10/96 (fold-out) 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 (fold-out) 31/10/96 (fold-out) 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 (fold-out) blank 31/12/97 31/12/97 31/12/97 31/12/97 31/12/97 31/12/97 31/12/97 31/12/97 31/12/97 (fold-out) blank 31/12/97 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96

7.7.9 7.7.10 7.8.1 7.8.2 7.8.3 7.8.4 7.8.5 7.8.6 7.9.1 7.9.2 7.9.3 7.9.4 7.9.5 7.9.6 7.9.7 7.9.8 7.9.9 7.9.10 7.9.11 7.9.12 7.10.1 7.10.2 7.10.3 7.10.4 7.10.5 7.10.6 7.10.7 7.10.8 7.10.9 7.10.10 7.10.11 7.10.12 7.10.13 7.10.14 7.10.15 7.10.16 7.10.17 7.10.18 7.10.19 7.10.20 7.10.21 7.10.22 7.10.23 7.10.24 7.10.25 7.10.26 7.10.27 7.10.28 7.10.29 7.10.30 7.11.1 7.11.2 7.11.3 7.11.4 31/10/96 (fold-out) blank 31/10/96 blank 31/10/96 31/10/96 31/10/96 (fold-out) blank 31/12/97 blank 31/10/96 31/10/96 31/10/96 (fold-out) blank 31/12/97 31/12/97 31/12/97 31/12/97 31/12/97 (fold-out) blank 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 (fold-out) 31/10/96 (fold-out) 31/10/96 (fold-out) blank 31/12/97 31/12/97 31/12/97 31/12/97 31/12/97 31/12/97 31/12/97 (fold-out) 31/12/97 (fold-out) 31/12/97 (fold-out) blank 31/12/97 31/12/97 31/12/97 31/12/97 31/12/97 31/12/97 31/12/97 (fold-out) 31/12/97 (fold-out) 31/12/97 (fold-out) blank 31/10/96 31/10/96 31/10/96 31/10/96

. 7.11.5 7.11.6 7.11.7 7.11.8 7.11.9 7.11.10 7.11.11 7.11.12 7.11.13 7.11.14 7.11.15 7.11.16 7.11.17 7.11.18 7.11.19 7.11.20 7.11.21 7.11.22 7.11.23 7.11.24 7.12.1 7.12.2 7.12.3 7.12.4 7.12.5 7.12.6 7.13.1 7.13.2 7.13.3 7.13.4 7.13.5 7.13.6 7.14.1 7.14.2 7.14.3 7.14.4 7.14.5 7.14.6 7.14.7 7.14.8 7.15.1 7.15.2 7.15.3 7.15.4 7.15.5 7.15.6 7.16.1 7.16.2 7.16.3 7.16.4 7.16.5 7.16.6 7.17.1 7.17.2 31/10/96 31/10/96 31/10/96 (fold-out) 31/10/96 (fold-out) 31/10/96 (fold-out) blank 31/10/96 (fold-out) blank 31/12/97 31/12/97 31/12/97 31/12/97 31/12/97 31/12/97 31/12/97 (fold-out) 31/12/97 (fold-out) 31/12/97 (fold-out) blank 31/12/97 (fold-out) blank 31/12/97 31/12/97 31/10/96 31/10/96 31/10/96 (fold-out) blank 31/12/97 31/12/97 31/10/96 31/10/96 31/10/96 (fold-out) blank 31/12/97 31/12/97 31/12/97 blank 31/10/96 31/10/96 31/10/96 (fold-out) blank 31/12/97 31/12/97 31/10/96 31/10/96 31/10/96 (fold-out) blank 31/12/97 blank 31/10/96 31/10/96 31/10/96 blank 31/12/97 blank

7.17.3 7.17.4 7.17.5 7.17.6 8.1 8.2 8.1.1 8.1.2 8.1.3 8.1.4 8.1.5 8.1.6 8.1.7 8.1.8 8.1.9 8.1.10 8.1.11 8.1.12 8.1.13 8.1.14 8.1.15 8.1.16 8.1.17 8.1.18 8.1.19 8.1.20 8.1.21 8.1.22 8.1.23 8.1.24 8.2.1 8.2.2 8.3.1 8.3.2 8.3.3 8.3.4 8.4.1 8.4.2 8.5.1 8.5.2 8.5.3 8.5.4 8.6.1 8.6.2 8.6.3 8.6.4 8.7.1 8.7.2 8.7.3 8.7.4 8.8.1 8.8.2 8.8.3 8.8.4 31/10/96 31/10/96 31/10/96 blank 31/12/97 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/12/97 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 blank 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 blank 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96

8.8.5 8.8.6 8.8.7 8.8.8 8.9.1 8.9.2 8.10.1 8.10.2 8.10.3 8.10.4 8.10.5 8.10.6 8.10.7 8.10.8 8.10.9 8.10.10 8.11.1 8.11.2 8.11.3 8.11.4 8.11.5 8.11.6 8.11.7 8.11.8 8.11.9 8.11.10 8.11.11 8.11.12 8.11.13 8.11.14 8.11.15 8.11.16 8.11.17 8.11.18 8.12.1 8.12.2 8.12.3 8.12.4 8.12.5 8.12.6 8.12.7 8.12.8 8.12.9 8.12.10 8.12.11 8.12.12 8.12.13 8.12.14 8.13.1 8.13.2 8.13.3 8.13.4 8.13.5 8.13.6 31/10/96 31/10/96 31/10/96 blank 31/10/96 blank 31/12/97 31/12/97 31/12/97 31/12/97 31/12/97 blank 31/12/97 31/12/97 31/12/97 31/12/97 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 fold-out blank 31/10/96 fold-out blank 31/10/96 31/10/96 31/10/96 31/10/96 31/12/97 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 blank 31/12/97 31/12/97 31/12/97 31/12/97 31/12/97 31/12/97

0 8.16.7 8.16.8 9.1 9.2 9.3 9.4 9.5 9.6 9.7 9.8 31/12/97 blank 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96

8.13.7 8.13.8 8.14.1 8.14.2 8.14.3 8.14.4 8.14.5 8.14.6 8.14.7 8.14.8 8.14.9 8.14.10 8.14.11 8.14.12 8.14.13 8.14.14 8.14.15 8.14.16 8.14.17 8.14.18 8.14.19 8.14.20 8.14.21 8.14.22 8.14.23 8.14.24 8.14.25 8.14.26 8.14.27 8.14.28 8.15.1 8.15.2 8.15.3 8.15.4 8.15.5 8.15.6 8.15.7 8.15.8 8.15.9 8.15.10 8.15.11 8.15.12 8.15.13 8.15.14 8.15.15 8.15.16 8.15.17 8.15.18 8.16.1 8.16.2 8.16.3 8.16.4 8.16.5 8.16.6 31/12/97 blank 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 31/10/96 fold-out blank 31/12/97 31/12/97 31/12/97 31/12/97 31/12/97 31/12/97 31/12/97 31/12/97 31/12/97 31/12/97 31/12/97 31/12/97 31/12/97 31/12/97 31/12/97 31/12/97 31/12/97 blank 31/12/97 31/12/97 31/12/97 31/12/97 31/12/97 31/12/97

1

2 $

1.1 1.2 Introduction . 1.2 Specifications . 1.3 Introduction. 1.3 1.2.1 General. 1.3 1.2.2 Receiver Performance . 1.5 1.2.3 1.2.4 Transmitter Performance . 1.7 Frequency Reference . 1.8 1.2.5 1.2.6 Trunking . 1.9 1.2.6.1 T2030, T2035, T2040 & T2050 Models . 1.9 1.2.6.2 T2060 Model . 1.9 1.3 Operating Instructions . 1.9 1.4 Product Codes . 1.10

)##& 2.1 Design Overview . 2.2 2.2 Synthesiser . 2.3 2.3 Audio & Regulators. 2.4 2.4 2.5 2.6 2.7 2.8 2.9 TCXO/TX Audio PCB. 2.4 IF PCB . 2.5 T2000-100 & -400 RF PCB . 2.6 T2000-100 & -400 Receiver . 2.6 2.6.1 T2000-100 & -400 Exciter . 2.7 2.6.2 2.6.3 T2000-100 & -400 Power Amplifier . 2.7 T2000-200 RF PCB . 2.8 T2000-200 Receiver. 2.8 2.7.1 T2000-200 Exciter . 2.9 2.7.2 2.7.3 T2000-200 Power Amplifier . 2.9 T2000-300 RF PCB . 2.10 T2000-300 Receiver. 2.10 2.8.1 2.8.2 T2000-300 Exciter . 2.11 T2000-300 Power Amplifier . 2.11 2.8.3 T2000-500, T2000-600, T2000-700, -900 & -000 RF PCB. 2.12 T2000-500, -600, -700, -900 & -000 Receiver . 2.12 2.9.1 T2000-500, -600, -700 -900 & -000 Exciter . 2.13 2.9.2 2.9.3 T2000-500, -600, -700, -900 & -000 Power Amplifier. 2.13

2.10 T2000-800 RF PCB . 2.14 T2000-800 Receiver. 2.14 T2000-800 Exciter . 2.15 T2000-800 Power Amplifier . 2.15 2.10.1 2.10.2 2.10.3 2.11 Control Module . 2.16 T2010 & T2015 HC05 Logic PCB . 2.16 T2020, T203X, T2040, T2050 & T2060 HC11 Logic PCB . 2.19 2.11.1 2.11.2

$## 3.1 Servicing Precautions . 3.2 Caution: Accidental Transmit . 3.2 3.1.1 Caution: Antenna Loading . 3.2 3.1.2 3.1.3 Caution: Beryllium Oxide & Power Transistors . 3.2 Caution: CMOS Devices . 3.2 3.1.4 3.1.5 Caution: Screw Head Types . 3.3 3.2 Disassembly Instructions . 3.5 To Gain Access To The Logic PCB. 3.5 3.2.1 To Remove The Bottom Cover And Microprocessor Shield . 3.5 3.2.2 3.2.3 To Detach The Control Head . 3.6 3.2.3.1 Locally Mounted Models . 3.6 3.2.3.2 Remotely Mounted Models . 3.6 3.2.4 To Disassemble The Control Head . 3.7 3.2.4.1 T2010, T2015, T203X & T2060 Radios . 3.7 3.2.4.2 T2020, T2040 & T2050 Radios . 3.9 To Detach The EMC Filter PCB . 3.11 3.2.5 3.2.6 To Remote A Locally Mounted T2020, T2040 & T2050 . 3.11 3.3 Power Amplifier - Special Instructions . 3.12 To Replace PA Transistors . 3.12 3.3.1 3.3.2 To Remove Case Mica Capacitors . 3.12 3.4 Repair . 3.13 Surface Mount Devices . 3.13 3.4.1 Surface Mount Device (SMD) Precautions. 3.13 3.4.1.1 3.4.1.2 Servicing Equipment Required . 3.13 3.4.1.3 Removal & Replacement Of SMD Components . 3.15 3.4.1.4 Common Causes Of SMD Failure . 3.17 3.4.2 Leaded Component Removal. 3.17 3.4.2.1 Desoldering Iron Method . 3.17 3.4.2.2 Component Cutting Method . 3.18 3.5 Programming . 3.18

3# 4.1 Test Equipment Required. 4.2 4.2 Connecting The Radio. 4.3

4.3 Trunked Radios . 4.4 Trunking System Check . 4.4 4.3.1

4.4 Receiver Performance Tests . 4.5 To Check The Squelch Operation. 4.5 To Check The Squelch Ratio . 4.5 To Check The Audio Output Level And Distortion . 4.6 To Check The Sinad Sensitivity . 4.6 To Check The Signal+Noise To Noise Ratio. 4.7 To Check The Ultimate Signal To Noise Ratio. 4.7 RSSI. 4.7 To Check The Operation Of The Noise Blanker . 4.8 4.4.1 4.4.2 4.4.3 4.4.4 4.4.5 4.4.6 4.4.7 4.4.8 4.5 Transmitter Performance Tests . 4.9 4.5.1 Audio Processor . 4.9 4.5.1.1 To Check The Limiter Circuit Operation . 4.9 4.5.1.2 To Check The Audio ALC Operation . 4.9 4.5.1.3 To Check The Gain Of The Audio Processor . 4.10 4.5.2 Modulation Characteristics. 4.10 4.5.2.1 To Check The Above Limiting Response . 4.10 4.5.2.2 To Check The Below Limiting Response . 4.10 To Check The RF Power Control Circuit . 4.11 4.5.3

3 3 5.1 Servicing Warning . 5.2 5.2 Visual Checks . 5.2 5.3 Component Checks . 5.2 Transistor Check. 5.2 Integrated Circuit (IC) Check . 5.2 5.3.1 5.3.2 5.4 DC Checks. 5.3 5.5 Receiver RF Checks . 5.4 VCO Frequency . 5.4 Control Line Voltages . 5.4 RF Sensitivity . 5.5 5.5.1 5.5.2 5.5.3 5.6 5.7 5.8 Transmitter RF Checks . 5.5 Trunked Radios: System Check . 5.6 5.7.1 Base Station Check . 5.6 5.7.1.1 T2030 Radios . 5.6 5.7.1.2 T2040 Radios . 5.6 Base Station Control Channel Hunt. 5.6 5.7.2 Trunked Radios: Test Mode . 5.7 5.8.1 Test Mode Overview . 5.7 5.8.2 Manual Test Mode (MTM) . 5.7 5.8.2.1 T2030 & T2035 MTM Operation. 5.8

5.8.2.2 T2040 & T2050 MTM Operation. 5.9 5.8.3 Computer Controlled Test Mode (CCTM) . 5.9 5.8.3.1 CCTM Selection . 5.10 5.8.3.2 CCTM Protocol. 5.10 5.8.4 Power-Up State. 5.11 5.8.5 Test Facilities Available. 5.11 5.8.5.1 Resetting The Radio. 5.11 5.8.5.2 Test Facilities Table . 5.12 5.8.6 Trunked Radios: Radio Mode/Status Display Codes . 5.15 5.9 Options Interface Specifications . 5.17 5.10 Fault Finding Charts . 5.20 Radio Wont Switch On. 5.21 5.10.1 Radio Wont Program . 5.22 5.10.2 Synthesiser Faults. 5.23 5.10.3 Receiver Front End Faults. 5.24 5.10.4 Receiver IF Faults . 5.25 5.10.5 5.10.6 Receiver Mute Faults . 5.26 5.10.7 No Audio On Receive . 5.27 5.10.8 Transmitter RF Low Power Faults. 5.28 5.10.9 Transmitter Power Control Faults. 5.30 5.10.10 Transmit Audio Absent. 5.31 5.10.11 Trunked Radios: Radio Wont Acquire A Control Channel . 5.32

4!5 6.1 6.2 6.3 6.4 Tuning Precautions . 6.2 Tuning & Adjustment Points . 6.3 Trunked Radios . 6.5 Transmitter Adjustments . 6.5 6.4.1 Power Output . 6.5 TCXO Alignment . 6.6 6.4.2 Dual Point Modulation Adjustment . 6.6 6.4.3 6.4.4 CTCSS Modulation Adjustment . 6.7 6.4.5 LTR Code Deviation Adjustment. 6.7 6.4.6 Modulation Adjustment . 6.7 Selcall Tone Deviation . 6.8 6.4.7 6.4.8 FFSK Adjustment (Trunked Models Only) . 6.8 6.4.8.1 T203X Radios . 6.8 6.4.8.2 T2040 Radios . 6.8 6.5 Receiver Adjustments . 6.9 RF Alignment . 6.9 Internal Mute Control . 6.10 RSSI . 6.10 L Level Set-Up (Trunked Radios Only) . 6.10 6.5.1 6.5.2 6.5.3 6.5.3.1

)6$

7.1 7.2 7.3 7.4 7.5 7.6 T2000-100 RF PCB Parts List . IPN 220-01331-02 . 7.1.1 Mechanical & Miscellaneous Parts . ". 7.1.4 Grid Reference Index. ". 7.1.5 PCB Layout - Top. ". 7.1.7 PCB Layout - Bottom. ". 7.1.8 Circuit . ". 7.1.9 T2000-200 RF PCB Parts List . IPN 220-01202-10 . 7.2.1 Mechanical & Miscellaneous Parts . ". 7.2.4 Grid Reference Index. ". 7.2.5 PCB Layout - Top. ". 7.2.7 PCB Layout - Bottom. ". 7.2.8 Circuits . ". 7.2.9 T2000-300 RF PCB Parts List . IPN 220-01314-01 . 7.3.1 Mechanical & Miscellaneous Parts . ". 7.3.4 Grid Reference Index. ". 7.3.5 PCB Layout - Top. ". 7.3.7 PCB Layout - Bottom. ". 7.3.8 Circuits . ". 7.3.9 T2000-400 RF PCB Parts List . IPN 220-01204-11 . 7.4.1 Mechanical & Miscellaneous Parts . ". 7.4.4 Grid Reference Index. ". 7.4.5 PCB Layout - Top. ". 7.4.7 PCB Layout - Bottom. ". 7.4.8 Circuits . ". 7.4.9 T2000-500/-600 RF PCB Parts List . IPN 220-01205-14 . 7.5.1 Mechanical & Miscellaneous Parts . ". 7.5.6 Grid Reference Index. ". 7.5.7 PCB Layout - Top. ". 7.5.9 PCB Layout - Bottom. ". 7.5.10 Circuits . ". 7.5.11 T2000-700/-900 RF PCB Parts List . IPN 220-01289-02 . 7.6.1 Mechanical & Miscellaneous Parts . ". 7.6.4 Grid Reference Index. ". 7.6.5 PCB Layout - Top. ". 7.6.7 PCB Layout - Bottom. ". 7.6.8 Circuit . ". 7.6.9

7.7 7.8 7.9 7.9 T2000-800 RF PCB Parts List . IPN 220-01305-03 . 7.7.1 Mechanical & Miscellaneous Parts . " . 7.7.4 Grid Reference Index . " . 7.7.5 PCB Layout - Top . " . 7.7.7 PCB Layout - Bottom. " . 7.7.8 Circuits . " . 7.7.9 T2000 IF PCB Parts List . IPN 220-01384-00 . 7.8.1 PCB Layout - Top . " . 7.8.3 PCB Layout - Bottom. " . 7.8.4 Circuits . " . 7.8.5 T2000 TCXO/TX Audio PCB Parts List . IPN 220-01389-00 . 7.9.1 PCB Layout - Top . " . 7.9.3 PCB Layout - Bottom. " . 7.9.4 Circuits . " . 7.9.5 T2000 TCXO/TX Audio PCB Parts List . IPN 220-01389-02 . 7.9.7 PCB Layout - Top. " . 7.9.9 PCB Layout - Bottom. " . 7.9.10 Circuits . " . 7.9.11 7.10 T2010 & T2015 HC05 Logic PCB Parts List . IPN 220-01377-01 . 7.10.1 Mechanical & Miscellaneous Parts . " . 7.10.4 Grid Reference Index . " . 7.10.5 PCB Layout - Top . " . 7.10.7 PCB Layout - Bottom. " . 7.10.8 Circuit . " . 7.10.9 7.10 T2010 & T2015 HC05 Logic PCB Parts List . IPN 220-01377-02 . 7.10.11 Mechanical & Miscellaneous Parts . " . 7.10.14 Grid Reference Index . " . 7.10.15 PCB Layout - Top. " . 7.10.17 PCB Layout - Bottom. " . 7.10.18 Circuit . " . 7.10.19 7.10 T2010 & T2015 HC05 Logic PCB Parts List . IPN 220-01377-03 . 7.10.21 Mechanical & Miscellaneous Parts . " . 7.10.24 Grid Reference Index . " . 7.10.25 PCB Layout - Top. " . 7.10.27 PCB Layout - Bottom. " . 7.10.28 Circuit . " . 7.10.29

7.11 T2020, T203X, T2040, T2050 & T2060 HC11 Logic PCB Parts List . IPN 220-01344-02 . 7.11.1 Mechanical & Miscellaneous Parts . ". 7.11.4 Grid Reference Index. ". 7.10.5 PCB Layout - Top. ". 7.11.7 PCB Layout - Bottom. ". 7.11.8 Circuits . ". 7.11.9 7.11 T2020, T203X, T2040, T2050 & T2060 HC11 Logic PCB Parts List . IPN 220-01344-04 . 7.11.13 Mechanical & Miscellaneous Parts . ". 7.11.16 Grid Reference Index. ". 7.10.17 PCB Layout - Top . ". 7.11.19 PCB Layout - Bottom. ". 7.11.20 Circuits. ". 7.11.21 7.12 T2010 & T2030 Control Head PCB Parts List . IPN 220-01331-02 . 7.12.1 Mechanical & Miscellaneous Parts . ". 7.12.2 PCB Layout - Top. ". 7.12.3 PCB Layout - Bottom. ". 7.12.4 Circuits . ". 7.12.5 7.13 T2015 & T2060 Control Head PCB Parts List . IPN 220-01320-01 . 7.13.1 Mechanical & Miscellaneous Parts . ". 7.13.2 PCB Layout - Top. ". 7.13.3 PCB Layout - Bottom. ". 7.13.4 Circuits . ". 7.13.5 7.14 T2020, T2040 & T2050 Control Head PCB Parts List . IPN 220-01321-04 . 7.14.1 Mechanical & Miscellaneous Parts . ". 7.14.3 PCB Layout - Top. ". 7.14.5 PCB Layout - Bottom. ". 7.14.6 Circuits . ". 7.14.7 7.15 T2035 Control Head PCB Parts List . IPN 220-01322-03 . 7.15.1 Mechanical & Miscellaneous Parts . ". 7.15.2 PCB Layout - Top. ". 7.15.3 PCB Layout - Bottom. ". 7.15.4 Circuits . ". 7.15.5 7.16 T2000 EMC Filter PCB Parts List . IPN 220-01383-01 . 7.16.1 PCB Layout - Top. ". 7.16.3 PCB Layout - Bottom. ". 7.16.4 Circuit . ". 7.16.5 7.17 T2000 Data Interface Decoupling PCB Parts List . IPN 220-01388-01 . 7.17.1 PCB Layout - Top. ". 7.17.3 PCB Layout - Bottom. ". 7.17.4 Circuit . ". 7.17.5

. 8.1 T2008 Power Supply . 8.1.1 Operation. 8.1.2 8.1.1 8.1.2 Performance Specifications. 8.1.3 Precautions . 8.1.5 8.1.3 Circuit Operation . 8.1.6 8.1.4 Installation. 8.1.8 8.1.5 8.1.6 Introduction To Servicing . 8.1.10 Setting Up The Power Supply . 8.1.12 8.1.7 Fault Finding. 8.1.14 8.1.8 Repair. 8.1.15 8.1.9 8.1.10 PCB Information. 8.1.17 8.2 Connection To External Devices . 8.2.1 Introduction . 8.2.1 Applications . 8.2.1 Connections. 8.2.2 T2010 & T2015 BCD Selection . 8.2.2 8.2.1 8.2.2 8.2.3 8.2.4 8.3 8.4 8.5 8.6 8.7 8.8 8.9 T2000-500 & T2000-600 1-7W Versions. 8.3.1 Components Required. 8.3.2 8.3.1 Fitting. 8.3.2 8.3.2 8.3.3 Set-Up . 8.3.4 Specifications . 8.3.4 8.3.4 T2000-05 Remote Speaker Kit . 8.4.1 8.4.1 Components Required. 8.4.1 Fitting. 8.4.1 8.4.2 T2000-06 Desktop Microphone Kit . 8.5.1 8.5.1 Introduction . 8.5.1 Fitting. 8.5.1 8.5.2 T2000-06 Set-Up . 8.5.1 8.5.3 8.5.4 Sensitivity . 8.5.2 T2000-07 DTMF Microphone Kit. 8.6.1 Fitting. 8.6.1 8.6.1 8.6.2 Operation. 8.6.1 T2000-07 Set-Up . 8.6.1 8.6.3 T2000-34 Selcall Kit . 8.7.1 8.7.1 Components Required. 8.7.2 Fitting. 8.7.2 8.7.2 8.7.3 Programming . 8.7.3 T2000-36 Selcall Kit . 8.8.1 Components Required. 8.8.2 8.8.1 Fitting. 8.8.2 8.8.2 8.8.3 PCB Information. 8.8.4 T2000-40 DTMF Kit . 8.9.1 Fitting. 8.9.1 8.9.1 8.9.2 Programming . 8.9.1

8.10 T2000-A450X CTCSS & Scrambler Kit . 8.10.1 8.10.1 Components Required. 8.10.2 Fitting . 8.10.2 8.10.2 T2000-A450X Link Options. 8.10.3 8.10.3 8.10.4 PCB Information. 8.10.5 8.11 T2000-50 Handsfree Kit. 8.11.1 8.11.1 Components Required. 8.11.2 8.11.2 Fitting . 8.11.2 Fitting The Complete Unit In The Vehicle . 8.11.3 8.11.3 T2000-50 Set-Up . 8.11.5 8.11.4 8.11.5 Signal Specifications. 8.11.7 8.11.6 Specifications. 8.11.8 8.11.7 Circuit Description . 8.11.8 8.11.8 PCB Information. 8.11.10 8.12 T2000-60 Dual Port UART Kit . 8.12.1 8.12.1 Components Required. 8.12.2 Fitting . 8.12.3 8.12.2 T2000-60 Link Options. 8.12.4 8.12.3 8.12.4 T2000-60 Set-Up . 8.12.5 Signal Specifications. 8.12.7 8.12.5 8.12.6 PCB Information. 8.12.9 8.13 T2000-A66 Single Port UART Kit. 8.13.1 8.13.1 Components Required. 8.13.2 Fitting . 8.13.2 8.13.2 8.13.3 Signal Specifications. 8.13.3 PCB Information. 8.13.4 8.13.4 8.14 T2000-80 Line Interface Kit. 8.14.1 8.14.1 Components Required. 8.14.2 Fitting . 8.14.2 8.14.2 Line Interface Options . 8.14.4 8.14.3 8.14.4 T2000-80 Set-Up . 8.14.7 8.14.5 Signal Specifications. 8.14.9 8.14.6 Applications . 8.14.10 8.14.7 Specifications. 8.14.16 8.14.8 Circuit Description . 8.14.18 8.14.9 PCB Information. 8.14.21 8.15 T2000-A70 Data Modem Kit. 8.15.1 8.15.1 Components Required. 8.15.2 8.15.2 Fitting . 8.15.2 T2000-A70 Link Options . 8.15.4 8.15.3 Signal Specifications. 8.15.5 8.15.4 8.15.5 Programming . 8.15.6 8.15.6 Circuit Description . 8.15.12 8.15.7 PCB Information. 8.15.13 8.16 T2000-A03/-A04/-A16 Remote Loom Kits . 8.16.1 8.16.1 Components Required. 8.16.2 Fitting To Locally Mounted Radios . 8.16.2 8.16.2 8.16.3 Fitting To Remote Mounted Radios. 8.16.6

0

7

0 9.1 9.2 Identifying The Software Version Number . 9.2 Software History . 9.3 T2010 & T2015 Radios . 9.3 9.2.1 T2020 Radios . 9.4 9.2.2 T2030 & T3035 Radios . 9.5 9.2.3 9.2.4 T2040 Radios . 9.6 T2050 Radios . 9.7 9.2.5 9.2.6 T2060 Radios . 9.8

,*$ T2000 TCXO/TX Audio PCB Block Diagram . 2.4 Figure 2.1 T2000 IF PCB Block Diagram . 2.5 Figure 2.2 T2000-100 & -400 RF PCB Block Diagram . 2.6 Figure 2.3 T2000-200 RF PCB Block Diagram. 2.8 Figure 2.4 T2000-300 RF PCB Block Diagram. 2.10 Figure 2.5 T2000-500, -600, -700, -900 & -000 RF PCB Block Diagram . 2.12 Figure 2.6 T2000-800 RF PCB Block Diagram. 2.14 Figure 2.7 T2010 & T2030 Control Head Block Diagram . 2.17 Figure 2.8 T2015 & T2060 Control Head Block Diagram . 2.17 Figure 2.9 T2020, T2040 & T2050 Control Head. 2.18 Figure 2.10 Anti-Static Bench Set-Up. 3.2 Figure 3.1 Screwdriver Identification . 3.3 Figure 3.2 T2000 Series II Radio Assembly . 3.4 Figure 3.3 T2010, T2015 & T203X Control Head Assembly . 3.7 Figure 3.4 T2020, T2040 & T2050 Control Head Assembly - Locally Mounted. 3.9 Figure 3.5 T2020, T2040 & T2050 Control Head Assembly - Remotely Mounted. 3.10 Figure 3.6 EMC Filter PCB Mounting . 3.11 Figure 3.7 Identifying SMD Components . 3.14 Figure 3.8 SMD Soldering Guide . 3.16 Figure 3.9 Suggested Test Equipment Set-Up . 4.3 Figure 4.1 RF Test Cable . 5.5 Figure 5.1 RF & TXCO/Tx Audio PCBs - Tuning & Adjustment Points . 6.4 Figure 6.1 Receiver Tuning Amplifier . 6.9 Figure 6.2 T2008 Float Charging Protection Circuit . 8.1.9 Figure 8.1.1 T2008 Typical Waveforms . 8.1.15 Figure 8.1.2 T2000-500/600 PA - Top Side. 8.3.2 Figure 8.3.1 T2000-500/600 PA - Bottom Side . 8.3.3 Figure 8.3.2 T2000-500/600 PA - Bottom Side . 8.3.3 Figure 8.3.3 T2000 Power Connector . 8.4.2 Figure 8.4.1 T2000-34 Selcall PCB Mounting - T2010 & T2015 Logic PCB . 8.7.3 Figure 8.7.1 Figure 8.8.1 T2000-36 Selcall PCB Mounting . 8.8.2 Figure 8.10.1 T2000-A450X PCB Mounting . 8.10.2 Figure 8.11.1 T2000-50 Handsfree PCB Mounting . 8.11.2 Figure 8.11.2 T2000-50 Test Equipment Set-Up. 8.11.5

1

Figure 8.11.3 T2000-50 9 Way D-Range Connector (S21) . 8.11.7 Figure 8.12.1 T2000-60 UART PCB Mounting . 8.12.3 Figure 8.12.2 T2000-60 Test Equipment Set-Up. 8.12.5 Figure 8.12.3 T2000-60 15 Way D-Range connector (S21) . 8.12.8 Figure 8.13.1 T2000-A66 Single Port UART PCB Mounting . 8.13.3 Figure 8.13.2 9 Way D-Range Connector (SKT1). 8.13.3 Figure 8.14.1 T2000-80 Line Interface PCB Mounting (T2010/T2015 shown) . 8.14.2 Figure 8.14.2 T2000-80 Test Equipment Set-Up. 8.14.7 Figure 8.14.3 T2000-80 15 Way D-Range connector (S21) . 8.14.9 Figure 8.14.4 T2000-80 Line Interface PCB Block Diagram . 8.14.18 Figure 8.15.1 T2000-A70 PCB Mounting. 8.15.2 Figure 8.15.2 T2000-A70 Data Modem PCB Mounting . 8.15.3 Figure 8.15.3 Data Interface Decoupling PCB Mounting: Series I Chassis . 8.15.3 Figure 8.15.4 Data Interface Decoupling PCB Mounting: Series II Chassis . 8.15.4 Figure 8.15.5 9 Way D-Range Connector (SKT1) . 8.15.5 Figure 8.16.1 Remote Control Head Assembly . 8.16.3 Figure 8.16.2 Connector PCB Mounting . 8.16.4 Figure 8.16.3 EMC FIlter PCB Mounting . 8.16.4 Figure 8.16.4 Dummy Front Panel Assembly . 8.16.5

,* Table 5.1 Table 5.2 Table 5.3 Table 5.4 Table 5.5 Table 5.6 Table 6.1 Table 8.15.1 Table 8.15.2 Table 8.15.3 Table 8.15.4 T2000 Test Facilities . 5.13 Radio Mode/Status Display . 5.16 Options Connectors - Audio Signal Specifications . 5.17 Options Connectors - Supply Voltage Specifications . 5.17 Options Connectors - Logic Signal Specifications . 5.18 BCD Channel Selection (T2010 & T2015 only) . 5.19 Tuning & Adjustment Point . 6.3 Message Format . 8.15.7 Messages To The Radio Unit . 8.15.8 Messages From The Radio Unit . 8.15.10 Software Test Commands . 8.15.11

8

2 $ This Section introduces the T2000 Series II radio, describing models and features availa-

ble and their performance. The following topics are covered in this Section:

Section Title 1.1 1.2 1.3 1.4 Introduction Specifications 1.2.1 1.2.2 1.2.3 1.2.4 1.2.5 1.2.6 1.2.6.1 1.2.6.2 Introduction General Receiver Performance Transmitter Performance Frequency Reference Trunking T2030, T2035, T2040 & T2050 Models T2060 Model Operating Instructions Product Codes Page 1.2 1.3 1.3 1.3 1.5 1.7 1.8 1.9 1.9 1.9 1.9 1.10

8

8

The T2000 Series II is a high performance mobile two way radio. It covers ten frequency bands between 66 and 870MHz, and is available in both trunked and conventional mod-

els. Operation of the T2000 is by handheld microphone, a press-to-talk switch and a range of front panel function keys. The T2020 and T2040 models are fitted with an LCD display and alphanumeric keypad. Most of the functions of the T2000 are microprocessor controlled. The system software is stored in a read only memory (ROM), while the data is stored in a non-volatile memory for ease of programming. Operational parameters can be programmed without opening the radio, via the front panel microphone socket. The T2000 uses a synthesiser with a single VCO switched between transmit and receive. A plug-in TCXO PCB is used to provide a highly stable reference frequency, and dual point modulation gives a flat modulation response at the synthesiser. The standard T2000 RF power output is 25W, except in the T2000-800 which delivers 15W. The receiver is electronically tuned across the entire frequency band and contains an IF noise blanker and RSSI facility. A maximum of 4W of audio is delivered to a 4W speaker. The RF and logic PCBs are shielded from each other in a diecast aluminium chassis, and are connected by two plug-in looms. The T2000 top and bottom covers are also diecast aluminium. There is provision within the radio to mount option PCBs and a 9 or 15 way output con-

nector which is used for options requiring connection to external equipment. Standard options include hands-free operation, line control interface, signalling and data trans-

mission. The DC supply to the radio must be negative earth and may be between 10.8 and 16V. The T2000 is protected against reversal of the DC supply and is provided with overvolt-

age protection. If further information is required about the T2000 or this Manual, it may be obtained from Tait Electronics Ltd or accredited agents. When requesting this information, please quote the equipment product code (e.g. T2010-512-002) and serial number. In the case of the Service Manual, quote the product code (e.g. M2000-00-300), and for circuit dia-

grams quote the Title, Internal Part Number (IPN) and Issue.

8

8

88

$# The performance figures given are typical figures, unless otherwise indicated, for equip-

ment operating at standard room temperature. Where applicable, the test methods used to obtain the following performance figures are those described in the European specifi-

cation ETS 300-086. Details of test methods and the conditions which apply for type approval testing in all countries can be obtained from Tait Electronics Ltd.

88 2 Modulation Type Frequency Ranges:

T2000-100 T2000-200 T2000-300 T2000-400 T2000-500 T2000-600 T2000-700 T2000-800 T2000-900 T2000-000 Frequency Increment:

All Except T2000-800 T2000-800 Number Of Channels:

T2010 T2015 T2020 Bandwidth Switching Range:

T2000-200 T2000-300 T2000-400, T2000-100 T2000-500, T2000-600 T2000-700 T2000-800 T2000-900

.. FM

.. 220 to 270MHz

.. 66 to 88MHz

.. 136 to 174MHz

.. 175 to 225MHz

.. 400 to 470MHz

.. 450 to 520MHz

.. 330 to 360MHz

.. 800 to 870MHz (Tx)

.. 851 to 870MHz (Rx)

.. 360 to 400MHz

.. 500 to 530MHz

.. 5 or 6.25kHz

.. 12.5kHz

.. 4

.. 24

.. 100

.. 7.5, 12 or 15kHz

.. 22MHz

.. 38MHz

.. 50MHz

.. 70MHz

.. 30MHz

.. 70MHz (Tx)

.. 19MHz (Rx)

.. 40MHz

8"

Tx/Rx Offset:

T2000-200 T2000-300 T2000-400, T2000-100 T2000-500, T2000-600 T2000-700 T2000-800 T2000-900 Supply Voltage:

Operating Range Standard Test Voltage Polarity Polarity & Overvoltage Protection Brown-out Recovery Supply Current:

Economy Mode Receiver:

Squelched Full Audio Transmit:

T2000-200, -300, -400, -800 T2000-500 T2000-600 T2000-100, -700, -900 T2000-000

.. 0 to 22MHz

.. 0 to 38MHz

.. 0 to 50MHz

.. 0 to 70MHz

.. 0 to 30MHz

.. 0 to 45MHz

.. 0 to 40MHz

.. 10.8V to 16V DC

.. 13.8V DC

.. negative earth

.. . <2s to full operation following supply internal transorb crowbar fluctuations below 10.8V

.. <270mA (T201X/T203X/T2060) or

<350mA (T2020/T2040/T2050)

.. 320mA (T201X/T203X/T2060) or 472mA (T2020/T2040/T2050)

.. 1.2A

.. 6A

.. 6.8A

.. 7A

.. 6.8A

.. 7.5A Tx/Rx Changeover Switching

.. solid state Operating Temperature Range

-30C to +60C ambient Programming Antenna:

Impedance Connector

.. clone or PC program via mic. socket

.. 50W

.. BNC (UHF optional on VHF radios only)

(nominal) Power/Speaker Connector

.. 7 way automotive type Options Connector Radio Unit Dimensions:

Depth Width Height Front Panel Dimensions:

Depth Width Height

.. 9 or 15 way high density D-range

(optional)

.. 150mm

.. 150mm 45mm

.. . 25mm

.. 158mm

.. 51mm

8+

Remote Control Head Dimensions:

Length Width Height Weight (radio & control head)

.. 26mm

.. 159mm

.. 51mm

.. 1.2kg

88

## Type:

All Except T2000-200 T2000-200 Sensitivity:

.. triple conversion superheterodyne

.. dual conversion superheterodyne 12dB Sinad 20dB Sinad (psophometric) 20dB Quieting

.. better than -117dBm

.. better than -113dBm

.. better than -113dBm IF Amplifiers:

Frequencies:

T2000-200 T2000-100, -300, -400 T2000-500, -600, -700, -900, -000 T2000-800

.. 10.7MHz and 455kHz

.. 27.7MHz, 10.7MHz and 455kHz

.. 49.1MHz, 10.7MHz and 455kHz

.. 61.9MHz, 10.7MHz and 455kHz First Local Oscillator Injection (with respect to signal):

T2000-200, -300 T2000-100, -400, -500, -600, -700, -800,

-900, -000

.. high side low side

.. Second Local Oscillator Injection (with respect to signal):

T2000-100, -300, -400 T2000-200, -500, -600, -700, -800, -900, -000 .. . high side low side Third Local Oscillator Injection (with respect to signal):

T2000-100, -300, -400 T2000-500, -600, -700 -800, -900, -000

.. . low side low side Bandwidth:

Narrow Band Medium Band Wide Band

.. 7.5kHz

.. 12kHz

.. 15kHz Signal-to-Noise Ratio (with respect to 100% deviation, at RF level of -47dBm):

Narrow Band Medium Band Wide Band All Except T2000-800 T2000-800

.. 45dB

.. 48dB

.. 50dB

.. 45dB

8-

Audio:

Minimum Load Impedance Rated Power (into 4W Distortion:

@ Rated Power (1kHz)

@ 0.5W (0.3 to 3.0kHz) Response Bandwidth

.. 2W

.. 4W (at 1kHz)

.. <5%

.. <3% (narrow band)

<2.5% (medium band)

<2% (wide band)

.. within +1, -3dB of 6dB/octave de-emphasis

.. 300Hz to 3kHz Selectivity

.. better than 70dB Spurious Response Attenuation All Except T2000-000, -800 T2000-000 T2000-800

.. 75dB (80dB EIA)

.. 60dB

.. 70dB (70dB EIA) Intermodulation Response Attenuation

.. 66dB (75dB EIA) Spurious Emissions

(conducted & radiated to 1GHz) Spurious Emissions

(conducted & radiated 1 to 4GHz) Blocking Co-channel Rejection:

Narrow Band Medium Band Wide Band Group Delay Squelch:

Preset Level Ratio Voting Levels

.. better than -57dBm

.. better than -47dBm

.. better than -23dBm

.. better than 9dB

.. better than 7dB

.. better than 6dB

.. 50m s (300Hz to 3kHz)

.. 11dB sinad

.. >70dB

.. >20dB sinad

(applies to T2020 only)

8.

88"

# Power Output:

Maximum:

All Except T2000-800 T2000-8000 High (high setting):

All Except T2000-800 T2000-8000 Low (low setting):

T2000-200, -300, -400 T2000-100, -500, -600, -700, -900 T2000-800 Low Power Version

. . 30W

.. 25W

.. 25W

.. 15W

.. 1 to 25W

.. 5 to 25W

.. 5 to 15W

.. 1 to 7W (T2000-500, -600) Duty Cycle (33%)

.. 2 minutes Tx, 4 minutes Rx Lock Up Time (synthesiser)

.. 25ms (from PTT to 90% output power within 2kHz, not including micro. delay) Spurious Emissions

(conducted & radiated to 1GHz) Spurious Emissions

(conducted & radiated to 1 to 4GHz)

.. better than -36dBm

.. better than -30dBm Adjacent Channel Power:

Narrow Band Medium Band Wide Band Group Delay Modulation System:

Type Deviation Limiting:

Narrow Band Medium Band Wide Band Bandwidth:

Narrow Band Medium & Wide Band Responses:

In Limiting Below Limiting Above 3kHz

-70dBc

-80dBc

.. better than -65dBc

.. . . +200/-50m s (300Hz to 3kHz)

.. direct FM

.. 2.5kHz (peak) max. . 4kHz (peak) max. . 5kHz (peak) max. . 300Hz to 2.55kHz below limiting or 450Hz to 2.55kHz in limiting

.. 300Hz to 3kHz below limiting or 450Hz to 3kHz in limiting

.. within +0dB, -4dB of maximum system deviation

.. within +1, -3dB of 6dB/octave pre-emphasis

.. greater than 25dB/octave roll-off

8/

Audio:

Microphone Type Input For 60% Deviation

.. dynamic or electret

.. 1.5mVrms maximum (at 1kHz) Distortion Hum & Noise:

All Except T2000-800:

Narrow Band Medium Band Wide Band T2000-800:

Wide Band Mismatch Capability:

Ruggedness Stability

.. 5%

.. 39dB

.. 43dB

.. 45dB

.. 40dB

.. 2 minutes transmission into infinite VSWR

.. VSWR 5:1 (all phase angles) Transmit Timer (non-trunking models)

.. programmable up to 4 minutes, or continuous.

88+

3(## Oscillator Frequency

.. 12.8MHz Crystal Stability And Source Details

.. see table below:

Product Code T2XX-XX1 T2XX-XX3*

T2XX-XX5 T2XX-XX6 Frequency Tolerance

(ppm) 5 3 2.5 2.0 Temperature Range (C) Frequency Source

-10 to +60

-30 to +60

-30 to +60

-30 to +60 TE/45 xtal VXO-2605A Module VXO-2605A-1 Module TDC 60281 Module

*. Not fitted to T2000-200 due to low modulatibility. Fitted only to 400MHz versions and above, due to low modulatibility.

88-

9

80

88-8

1 1:1 +:1"141+1 Data Modulation

.. as per MPT1317 Data Deviation (Tx: 60% full system deviation):

Narrow Band Medium Band Wide Band

88-8

1-1 System

.. 1.5kHz

.. 2.4kHz

.. 3kHz

.. LTR trunked1, systems x groups = 24 Data Deviation (Tx)

.. 1kHz

8

*&$# Refer to the Users Guide supplied with the radio. These are also available separately under the following IPNs:

T2010/T2015 T2020 T2030/T2035 T2040 T2060 459-20100-0X 459-20200-0X 459-20300-0X 459-20400-0X 459-20600-0X Comprehensive Operators Manuals are also available for T2020 and T2040 radios. These Manuals cover such topics as advanced user operations and the use of trunked radios for data applications. These are available under the following IPNs:

T2020 T2040 409-20200-0X 409-20400-0X 1. LTR is a trademark of E F Johnson & Co.

81

8"

#) The 3 groups of digits in a T2000 product code provide information about the radios model, RF type and options fitted, according to the conventions described below. The following explanation of the T2000 product codes is not intended to suggest that any combination of features is necessarily available in any one radio. For details regard-

ing availability of specific T2000 radios, consult your nearest Tait dealer or subsidiary.

The Model group indicates the basic features of the radio, as follows:

T20XX-XXX-XXX 4 channels 24 channels 100 channels 4 calls, all preset 1000 calls, including 20 preset T2010 T2015 T2020 T2030 T2035 T2040 dialled calls T2050 dual mode T2040 or T2020 operation trunked, non-trunked T2060 LTR, systems x groups = 24 trunked trunked trunked trunked

3& RF Type group uses 3 digits to indicate the basic RF configuration of the radio. The first digit in the RF Type group designates frequency band. T20XX-XXX-XXX 1 for 220 to 270MHz 2 for 66 to 88MHz 3 for 136 to 174MHz 4 for 175 to 225MHz 5 for 400 to 470MHz 6 for 450 to 520MHz 7 for 330 to 360MHz 8 for 800 to 870MHz transmit 851 to 870MHz receive 9 for 360 to 400MHz 0 for 500 to 530MHz The second digit in the RF Type group designates radio IF bandwidth. T20XX-XXX-XXX 1 for wide band (15kHz) 2 for narrow band (7.5kHz) 3 for medium band (12.5kHz) The third digit in the RF Type group designates frequency stability. T20XX-XXX-XXX refer to Frequency Reference on page 1.8.

*& T20XX-XXX-XXX The third group of digits covers a wide range of software and mar-

ket specific options. The large number of options and their frequent changes preclude listing them here.

8

)##& This Section describes the operation of the basic circuit blocks found in the T2000 radio. Refer also to the circuit diagrams in Section 7 of this Manual. The following topics are covered in this Section:

Section Title 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 2.10 2.11 Design Overview Synthesiser Audio & Regulators TCXO/TX Audio PCB IF PCB T2000-100 & -400 RF PCB T2000-100 & -400 Receiver T2000-100 & -400 Exciter T2000-100 & -400 Power Amplifier T2000-200 RF PCB T2000-200 Receiver T2000-200 Exciter T2000-200 Power Amplifier T2000-300 RF PCB T2000-300 Receiver T2000-300 Exciter T2000-300 Power Amplifier T2000-500, T2000-600, T2000-700, -900 & -000 RF PCB T2000-500, -600, -700, -900 & -000 Receiver T2000-500, -600, -700 -900 & -000 Exciter T2000-500, -600, -700, -900 & -000 Power Amplifier T2000-800 RF PCB T2000-800 Receiver T2000-800 Exciter T2000-800 Power Amplifier Control Module T2010 & T2015 HC05 Logic PCB T2020, T203X, T2040, T2050 & T2060 HC11 Logic PCB 2.6.1 2.6.2 2.6.3 2.7.1 2.7.2 2.7.3 2.8.1 2.8.2 2.8.3 2.9.1 2.9.2 2.9.3 2.10.1 2.10.2 2.10.2 2.11.1 2.11.2 Page 2.2 2.3 2.4 2.4 2.5 2.6 2.6 2.7 2.7 2.8 2.8 2.9 2.9 2.10 2.10 2.11 2.11 2.12 2.12 2.13 2.13 2.14 2.14 2.15 2.15 2.16 2.16 2.19

8

8

*7 The T2000 radio is made up of two modules, the RF module and the control module. The RF module consists of an RF PCB unique to each frequency band with common plug-in IF and TCXO/Tx audio PCBs, determining the frequency stability and reference frequency. The control module consists of a logic PCB and a control head PCB. Each con-

trol module is unique to each T2000 model, i.e. T2010, T2015, T2020, T203X, T2040 or T2050. The following circuit blocks are located in the RF module:

The synthesiser, containing the

- Tx/Rx VCO

- plug-in TCXO and Tx audio PCB

- Tx/Rx switching. The regulators and audio power amplifier. The receiver, containing the

- front end

- mixer

- noise blanker

- mute circuit

- RSSI

- plug-in IF PCB. The exciter, RF power amplifier and power control circuit. The following circuit blocks are located in the control module:

The microprocessor control circuitry. Audio processing. Control head. Options connectors (refer to Section 5.9, Options Interface Specifications).

8

8

Synthesiser IC201 (MC145158) receives channel and reference frequency information from the microprocessor via a three line serial interface:

DATA - synthesiser data: A counter: 7 bits M counter: 10 bits Ref. counter: 14 bits CLK - synthesiser clock ENABLE - synthesiser latch. Once the data has been latched in, the synthesiser IC processes the incoming signals; fin from the prescaler IC and fref from the temperature compensated crystal oscillator

(TCXO) operating at 12.8MHz. The TCXO signal is divided by the reference counter to provide 5kHz, 6.25kHz or 12.5kHz at the phase detector. IC201 generates the modulus control at the appropriate time to change the dividing factor for the prescaler. The phase detector outputs are summed and fed via the integrator to the control line. The VCO fre-

quency increases with a positive change in control line voltage. The synthesiser produces a signal called LCK-DET which is fed to the exciter after some processing to prevent transmission when the synthesiser is out of lock. The LCK-DET signal is also fed to the I/O bus of the control circuitry, where the signal is used for fea-

tures such as scanning. The time lapse between the synthesiser latch pulse and the lock detect line going low is typically 15ms (maximum is 20ms). The T2000 uses a dual point modulation system which allows the radio to be modulated at frequencies below the loop filter cut-off frequency (approximately 400Hz). In this sys-

tem, modulation is supplied to both the VCO and TCXO. When both the reference and VCO are modulated below the cut-off frequency of the loop filter, the phase detector cannot detect a difference between fin, and fref and will not generate corrective signals. The modulation bandwidth is therefore dependent only on the audio and coupling cir-

cuits.

8"

8

!4 The nominal supply voltage of the T2000 is 13.8VDC but satisfactory operation is possi-

ble from supply voltages of between 10.8 and 16V. Power for the radio is switched via the volume control and switch on the control head. Overvoltage protection is provided in the form of an 18V zener diode. This will sup-

press transient spikes but prolonged overvoltage will cause the device to fail short cir-

cuit. On the RF PCB, two regulated power supply rails of 8V and 5V are provided as well as a 30V supply from an inverter. The 30V supply is used to feed the synthesiser loop filter and the receiver front end tuning. A switched 8V line is used to enable the transmitter and disable the receiver. 13.8V is applied directly to the RF and audio power amplifiers, with the audio power amplifier rated for a standard output of 4Wrms into 4W, at a nominal supply voltage of 13.8V.

8"

);*;!)6 The TCXO/Tx audio PCB provides the temperature compensated 12.8MHz reference frequency for the synthesiser and a times-three multiplier in the receiver. The PCB also contains the Tx audio limiter, deviation level potentiometer and low pass filter. The TCXO fine frequency adjustment is provided by a ten turn potentiometer. Narrow or wide band deviation and TCXO frequency stability with temperature are determined solely by this PCB.

8+

$3)6

8+

The l0.7MHz signal from the RF PCB feeds Q104, passes through a crystal filter (Xl0l) and is amplified by Q111 and Q112 before passing through a 10.7MHz ceramic filter to a mixer/oscillator (Qll3). This 455kHz mixer output is further filtered and amplified by CF102, CF103 and Q114, then passes back to the RF PCB where it is demodulated by IC101. The RSSI function is internal to IC101. The demodulated signal is filtered and compensated on the IF PCB before passing to the logic PCB via the RF PCB. Narrow band or wide band response is determined solely by the IF PCB.

The processed transmit audio passes to the RF PCB where it is split into a VCO modula-

tion path and a TCXO modulation path. The TCXO path passes through a potentiome-

ter to enable the dual point modulation to be correctly adjusted, and then returns to the TCXO/Tx audio PCB.

8-

8-

111114"113)6

8-8

111114"11# The incoming signal from the antenna via the PIN switch passes through a high pass fil-

ter to the RF amplifier, Q101. The 50W output from the amplifier is coupled to a varicap tuned triplet which provides the spurious response rejection necessary for the first mixer. An attenuator is provided at the output to allow for fine adjustment of the front end gain. The VCO output is fed to the first double balanced mixer via a low pass filter to reduce harmonic content. The VCO signal is 27.7MHz below the RF signal and the first mixer output (at 27.7MHz) feeds the first post-mixer buffer, Q103. The output of Q103 feeds both a delay line and the noise blanker circuit.

8. L114 and L116 form a 50W delay line which provides the spurious response rejection necessary for the second mixer. L114 and L116 also provide the delay necessary for the noise blanker to detect and clamp noise pulses. The local oscillator signal of 38.4MHz for the second double balanced mixer is provided by the 12.8MHz reference via a tripler circuit, and the 10.7MHz output feeds the plug-in IF PCB. Each sub-block within the front end has been designed with 50W terminations for ease of testing and fault finding.

8-8

111114"11<# The VCO output from the PIN switch is amplified to 900mW by a two stage broad band exciter (Q301 and Q302) with approximately 22dB of gain. Q301 is operating into com-

pression to prevent changes in VCO drive affecting output power. This output power is controlled by varying the collector voltage on Q302, via Q303, Q304 and the feedback loop from the PA. The power settings (maximum, high and low) are under microprocessor control and are set for each channel by programming. R308, R309, R310 and R313 form a 2dB attenuator, reducing the output to approximately 550mW and also providing good isolation between the exciter and PA.

8-8

111114"117!& The 550mW exciter output is amplified to 30W by Q305 and Q306. Q305 has a small amount of bias applied (via R319, D302, R322 and R315) to provide stability at low power levels. The T2000-100 power amplifier has no tuning, and when the output power is set to 25W the variation across the 50MHz switching range should be less than 2W. The high level RF signal passes via the Tx/Rx PIN switch, the low pass filter and direc-

tional coupler to the antenna connector. The power level is sensed by D301 on the direc-

tional coupler and this voltage is fed back to the power control operational amplifier via RV324. RV324 on the RF PCB sets the high power and RV507 on the logic PCB will adjust the low power.

8/

8.

111113)6

8.8

11111# The incoming signal from the antenna via the PIN switch passes through a high pass fil-

ter to the RF amplifier, Q101. The 50W output from the amplifier is coupled to a varicap tuned triplet that provides the spurious response rejection necessary for the first mixer. An attenuator is provided at the output to allow for fine adjustment of the front end gain. The VCO output is fed to the first double balanced mixer via a low pass filter to reduce harmonic content. The VCO signal is 10.7MHz above the RF signal and the first mixer output (at 10.7MHz) feeds the first post-mixer buffer, Q103. The output of Q103 feeds both a delay line and the noise blanker circuit.

80 L114 and L116 form a 50W delay line that provides the delay necessary for the noise blanker to detect and clamp noise pulses and also provides a high impedance point for the signal to be clamped. The 10.7MHz output feeds the plug-in IF PCB through R128, R129 and R132 which pro-

vide the attenuation equivalent to the second mixer of the T2000-300, T2000-400, T2000-

500 or T2000-600. Each sub-block within the front end has been designed with 50W of testing and fault finding. terminations for ease

8.8

11111<# The VCO output from the PIN switch is amplified to 500mW by a two stage broad band exciter (Q301 and Q302) with approximately 2ldB of gain. Q301 is operating into com-

pression to prevent changes in VCO drive affecting output power. This output power is controlled by varying the collector voltage on Q302, via Q303, Q304 and the feedback loop from the PA. The power settings (maximum, high and low) are under microproces-

sor control and are set for each channel by programming. R308A, R308, R309 and R310 provide approximately 1dB of attenuation and isolation between the exciter and power amplifier.

8.8

111117!& The 500mW exciter output is amplified to 30W by Q305 and Q306. The T2000-200 power amplifier has no tuning, and when the output power is set to 25W the variation across the 22MHz switching range should be less than 2W. The high level RF signal passes via the Tx/Rx PIN switch, the low pass filter and the directional coupler to the antenna connector. The power level is sensed by D301 on the directional coupler and this voltage is fed back to the power control operational ampli-

fier via RV324. RV324 on the RF PCB sets the high power and RV507 on the logic PCB will adjust the low power.

81

8/

111 113)6

8/8

111 11# The incoming signal from the antenna via the PIN switch passes through a high pass fil-

ter to the RF amplifier, Q101. The 50W output from the amplifier is coupled to a varicap tuned triplet which provides the spurious response rejection necessary for the first mixer. An attenuator is provided at the output to allow for fine adjustment of the front end gain. The VCO output is fed to the first double balanced mixer via a low pass filter to reduce harmonic content. The VCO signal is 27.7MHz above the RF signal and the first mixer output (at 27.7MHz) feeds the first post-mixer buffer, Q103. The output of Q103 feeds both a delay line and the noise blanker circuit.

8 L114 and L116 form a 50W delay line which provides the spurious response rejection necessary for the second mixer. L114 and L116 also provide the delay necessary for the noise blanker to detect and clamp noise pulses. The local oscillator signal of 38.4MHz for the second double balanced mixer is provided by the l2.8MHz reference via a tripler circuit, and the 10.7MHz output feeds the plug-in IF PCB. Each sub-block within the front end has been designed with 50W of testing and fault finding. terminations for ease

8/8

111 11<# The VCO output from the PIN switch is amplified to 1W by a two stage broad band exciter (Q301 and Q302) with approximately 22dB of gain. Q301 is operating into com-

pression to prevent changes in VCO drive affecting output power. This output power is controlled by varying the collector voltage on Q302, via Q303, Q304 and the feedback loop from the PA. The power settings (maximum, high and low) are under microprocessor control and are set for each channel by programming. R308, R309, R310 and R313 form a 2.7dB attenuator, reducing the output to approxi-

mately 550mW and also providing good isolation between the exciter and PA.

8/8

111 117!& The 550mW exciter output is amplified to 30W by Q305 and Q306. Q305 has a small amount of bias applied (via R319, D302, R322 and R315) to provide stability at low power levels. The T2000-300 power amplifier has no tuning, and when the output power is set to 25W the variation across the 38MHz switching range should be less than 2W. The high level RF signal passes via the Tx/Rx PIN switch, the low pass filter and direc-

tional coupler to the antenna connector. The power level is sensed by D301 on the direc-

tional coupler and this voltage is fed back to the power control operational amplifier via RV324. RV324 on the RF PCB sets the high power and RV507 on the logic PCB will adjust the low power.

8

80

111+11:111-11:111.11:01141113

)6

808

111+11:-11:.11:0114111# The incoming signal from the antenna via the PIN switch passes through a high pass fil-

ter to the RF amplifier, Q101. The 50W output from the amplifier is coupled to a varicap tuned triplet which provides the spurious response rejection necessary for the first mixer. An attenuator is provided at the output to allow for fine adjustment of the front end gain.

8 The VCO output is fed to the first double balanced mixer via a low pass filter to reduce harmonic content. The VCO signal is 49.lMHz below the RF signal and the first mixer output (at 49.lMHz) feeds the first post-mixer buffer, Q103. The output of Q103 feeds both a delay line and the noise blanker circuit. L114 and L116 form a 50W delay line which provides the spurious response rejection necessary for the second mixer. L114 and L116 also provide the delay necessary for the noise blanker to detect and clamp noise pulses. The local oscillator signal of 38.4MHz for the second double balanced mixer is provided by the 12.8MHz reference via a tripler circuit, and the 10.7MHz output feeds the plug-in IF PCB. Each sub-block within the front end has been designed with 50W terminations for ease of testing and fault finding.

808

111+11:-11:.110114111<# The VCO output from the PIN switch is amplified to 2W by a three stage broad band exciter (Q300, Q301 and Q302) with approximately 28dB of gain. The first stage (Q301 in the T2000-500/600, and Q300 in the T2000-700) operates into compression to prevent changes in VCO drive affecting output power. This output power is controlled by varying the collector voltage on Q300, via Q303, Q304 and the feedback loop from the PA. The power settings (maximum, high and low) are under microprocessor control and are set for each channel by programming.

808

111+11:-11:.11:01141117!& The 2W exciter output is amplified to 30W by Q305 and Q306. The T2000-500/600/700 power amplifier has no tuning, and when the output power is set to 25W the variation across the switching range should be less than 2W. The high level RF signal passes via the directional coupler, the Tx/Rx PIN switch and the low pass filter to the antenna connector. The power level is sensed by D301 on the directional coupler and this voltage is fed back to the power control operational ampli-

fier via RV324. RV324 on the RF PCB sets the high power and RV507 on the logic PCB will adjust the low power.

8"

81

111/113)6

818

111/11# The incoming signal from the antenna via the PIN switch passes through a band pass filter to the RF amplifier, Q101. The 50W output from the amplifier is coupled to a sec-

ond band pass filter, and these two filters provide the spurious response rejection neces-

sary for the first mixer. An attenuator is provided at the output to allow for fine adjustment of the front end gain. The VCO output is fed to the first double balanced mixer via a low pass filter to reduce harmonic content. The VCO signal is 61.9MHz below the RF signal and the first mixer output (at 61.9MHz) feeds the first post-mixer buffer, Q103. The output of Q103 feeds a band pass filter.

8+

L114 and L116 form a 50W band pass filter which provides the spurious response rejec-

tion necessary for the second mixer. The local oscillator signal of 51.2MHz for the sec-

ond double balanced mixer is provided by the 12.8MHz reference via a times 4 multiplier circuit, and the 10.7MHz output feeds the plug-in IF PCB. Each sub-block within the front end has been designed with 50W of testing and fault finding. terminations for ease

818

111/11<# The VCO output from the PIN switch is amplified to 0.5W by a three stage broad band exciter (Q300, Q301 and Q302) with approximately 21dB of gain. Q300 is operating into compression to prevent changes in VCO drive affecting output power. This output power is controlled by varying the voltage on IC405 pin2, via Q303, Q304 and the feedback loop from the PA. The power settings (maximum, high and low) are under microprocessor control and are set for each channel by programming.

818

111/117!& The 0.5W exciter output is amplified to 20W by IC405. The T2000-800 power amplifier has no tuning, and when the output power is set to 15W the variation across the 70MHz switching range should be less than 1W. The high level RF signal passes via the directional coupler, the Tx/Rx PIN switch and the low pass filter to the antenna connector. The power level is sensed by D301 on the directional coupler and this voltage is fed back to the power control operational ampli-

fier via RV324. RV324 on the RF PCB sets the high power and RV507 on the logic PCB will adjust the low power.

8-

8

) The primary task of the control section in the T2000 is to control the state of the radio at all times, based both on user input, and activity of the internal circuitry. To achieve this, the control section monitors the radios operation and responds to any changes with various control signals. The input shift registers are read by the microprocessor approximately 100 times per second. The output shift registers are updated only when a control signal is required to change, and the miscellaneous I/O is continually scanned. In the majority of cases, a control output will change only in response to an input stimu-

lus, e.g. a control head key being pressed, receiver busy, etc. Some outputs may be affected by more than one input or a sequence of events; this is particularly so in the case of the mute gate control line. Its operation may be affected by a number of external conditions and even some generated in the microprocessor. For operation of the T2000 Series II control heads, refer to Figures 2.8 to 2.10.

88

1141+=)1+,#)6 Transmitter speech from the microphone is preamplified and fed into an automatic level control circuit which also has two mute facilities (one for options and one for the micro-

processor). The speech is pre-emphasised and high pass filtered to reduce CTCSS com-

ponents, then passes via the RF PCB to the limiter on the TCXO/Tx audio PCB. DCS/CTCSS signals are generated by the microprocessor and are filtered by a low pass filter before being passed to the level potentiometer on the TCXO/Tx audio PCB. A five tone Selcall module is available which is directly interfaced to the microprocessor. Selcall tones are fed to the limiter on the TCXO/Tx audio PCB. Receiver audio from the IF PCB passes through a low pass filter where it is split into sig-

nalling and speech paths. Five tone signals are coupled to the five tone module. DCS/

CTCSS passes through a low pass filter and limiter before arriving at the microproces-

sor. Speech is de-emphasised and passed through one or two high pass filters, depend-

ing on the signalling used. Processed speech passes through the mute to an amplifier where speech and progress tones are summed. The signal then passes via the volume control to the audio power amplifier on the RF PCB.

8.

8/

80

88

11:1 ;:1"1:1+141-1=),#)6 Transmitter speech from the microphone is preamplified and fed into an automatic level control circuit which also has three mute facilities (one for options and two for the microprocessor). The speech is pre-emphasised and high pass filtered to reduce CTCSS components. The speech passes via the RF PCB to the limiter on the TCXO/Tx audio PCB. The FFSK modem tones pass through a level potentiometer before being fed to the lim-

iter on the TCXO/Tx audio PCB. DCS/CTCSS signals are generated by the microproces-

sor and are filtered by a low pass filter before being passed to the level potentiometer on the TCXO/Tx audio PCB. Five tone Selcall and DTMF modules are both available to directly interface to the microprocessor. Selcall tones are fed to the limiter on the TCXO/Tx audio PCB and DTMF tones are summed at the automatic level control. Receiver audio from the IF PCB passes through a low pass filter where it is split into sig-

nalling and speech paths. Five tone signals are coupled to the five tone module. DCS/

CTCSS passes through a low pass filter and limiter before arriving at the microproces-

sor. FFSK modem signals pass through a buffer amplifier before the modem input. Speech is de-emphasised and passed through one or two high pass filters, depending on what signalling is used. Processed speech passes through the mute to an amplifier where speech and progress tones are summed. The signal then passes via the volume control to the audio power amplifier, on the RF PCB.

81

8

This Section provides information necessary for servicing T2000 Series II radios, and covers the following topics:

Section Title Page 3.1 Servicing Precautions 3.1.1 3.1.2 3.1.3 3.1.4 3.1.5 Caution: Accidental Transmit Caution: Antenna Loading Caution: Beryllium Oxide & Power Transistors Caution: CMOS Devices Caution: Screw Head Types 3.2 Disassembly Instructions 3.2.1 3.2.2 3.2.3 3.2.3.1 3.2.3.2 3.2.4 3.2.4.1 3.2.4.2 3.2.5 3.2.6 To Gain Access To The Logic PCB To Remove The Bottom Cover And Microprocessor Shield To Detach The Control Head Locally Mounted Models Remotely Mounted Models To Disassemble The Control Head T2010, T2015, T203X & T2060 Radios T2020, T2040 & T2050 Radios To Detach The EMC Filter PCB To Remote A Locally Mounted T2020, T2040 & T2050 3.3 3.4 Power Amplifier - Special Instructions 3.3.1 3.3.2 To Replace PA Transistors To Remove Case Mica Capacitors Repair 3.4.1 3.4.1.1 3.4.1.2 3.4.1.3 3.4.1.4 3.4.2 3.4.2.1 3.4.2.2 Surface Mount Devices Surface Mount Device (SMD) Precautions Servicing Equipment Required Removal & Replacement Of SMD Components Common Causes Of SMD Failure Leaded Component Removal Desoldering Iron Method Component Cutting Method 3.5 Programming 3.2 3.2 3.2 3.2 3.2 3.3 3.5 3.5 3.5 3.6 3.6 3.6 3.7 3.7 3.9 3.11 3.11 3.12 3.12 3.12 3.13 3.13 3.13 3.13 3.15 3.17 3.17 3.17 3.18 3.18

8

8

## 88

)!## Under certain circumstances the microprocessor can key the transmitter. Ensure that all instruments are protected from accidental transmit at all times. 88

)!, The equipment has been designed to operate with a 50W termination impedance, but will tolerate a wide range of antenna loading conditions. However, it is strongly recom-

mended that the transmitter is not operated in the absence of a suitable load. Failure to observe this precaution may result in damage to the transmitter power output stage. 88

)6 *<47 The RF power transistors in the T2000 all contain some beryllium oxide. This substance, while perfectly harmless in its normal solid form, can become a severe health hazard when it has been reduced to dust. For this reason the RF power transistors should not be scratched, mutilated, filed, machined, or physically damaged in any way that can produce dust particles. 88"

))*# This equipment contains CMOS Devices which are susceptible to damage from static charges. Care when handling these devices is essential. For correct handling procedures refer to manufacturers data books covering CMOS devices, e.g. Philips Data Handbook Covering CMOS Devices; Motorola CMOS Data Book Section 5 (Handling Procedures), etc. The following diagram shows a typical anti-static bench set-up.

8 88+

)#7=& Pozidriv screws are the preferred standard on all T2000 series equipment. Pozidriv No. 1 and 2 screwdrivers will fit all pozidriv screws used in the T2000: Philips cross-head screwdrivers are not satisfactory for use on these screws. The following diagram identifies the differences between Philips and Pozidriv screw-

drivers. Pozidriv Philips internal notches no special markings

"star" markings between slots slots with parallel sides slots with tapered sides driving flutes with parallel sides driving flutes with tapered sides ridges between driving flutes

The diagrams on the following pages show the types of screws used in the T2000 Series II radios, their locations and torque specifications.

8"

3 4 8 14 10 12 1 2 6 11 13 3 4 5 7 9 12 14

8+

8

To carry out alignment it is necessary to remove only the top cover (1) and logic PCB retaining screws (3). It is essential that the bottom cover (13) and microprocessor shield (5) with its three retaining screws (4) are torqued down as specified in Figure 3.3.

Various electronic components within the radio can be damaged by elec-

trostatic discharge. A properly grounded earth mat and wrist strap should be used at all times (refer to Section 3.1.4). 88

2!##,#)6 Refer to Figure 3.3. Remove the top cover (1) by unscrewing the four bottom cover screws (14). Remove the three logic PCB retaining screws (3). It should now be possible to open out the logic PCB (2), giving access to both sides of the logic PCB, and access to the RF PCB (11) tuning points, audio, plug-in TCXO PCB and loop filter components. 88

6)!#&# Refer to Figure 3.3. Remove the top cover and logic PCB screws as instructed in Section 3.2.1, then remove the three microprocessor shield retaining screws (4). Remove the screw securing the earthing wire from the control head to the micro-

processor shield. It should now be possible to lift off the microprocessor shield (5) and the bottom cover (13). This will give access to both sides of the RF PCB and IF PCBs, and enable the con-

trol head to be removed.

8-

88

#) = 88 8

,# Remove all covers, as instructed in Section 3.2.2. Unplug the loom running between the control head and the logic PCB.

In EMC model radios, the loom connects to a Micromatch connector on the EMC filter PCB (refer to Section 3.2.5). 88 8

Remove the four screws on the front of the radio dummy front panel. This will give access to the control head loom, which can now be unplugged.

In EMC model radios, the loom connects to a Micromatch connector on the EMC filter PCB (refer to Section 3.2.5).

8. 88"

) = 88"8

11:1+:1 ;41-1 7 8 1 2 4 3 5 6 9 10 12 11 14 13 16 15

Refer to Figure 3.4. Remove the control head from the main chassis, as instructed in Section 3.2.3. Remove the four adaptor plate retaining screws (16). Remove the control head PCB retaining screws (14).

8/

The screws used in the control head are No. 4 Plastites, and should not be con-

fused with the M3 screws used elsewhere. When being replaced, the No. 4 Plas-

tite screws must be tightened to a torque of 8in.lb (0.9Nm). With the control head face down, gently remove the PCB (13), along with the key-

pad (8) and lightspreader (7). Do not disturb the positioning or height of the LEDs, as this is critical for reas-

sembly. Remove the speaker by carefully removing the four speaker retaining spire nuts. Remove of the volume knob (1) and volume pot nut (5) to access the volume knob light spreader (6).

80 88"8

11:1"141+1 6 7 8 1 2 3 12 4 9 5 10 11 13 14 15 16

Refer to Figure 3.5 and Figure 3.6. Remove the control head from the main chassis, as instructed in Section 3.2.3. Remove the four adaptor plate/remote back panel retaining screws (16). Remote mounted models also have two captive nuts (17) fitted in the back cover.

EMC model radios have 4 ESD plugs fitted over the remote back panel screws. These will need to be removed to access the remote back panel screws. Remove the control head PCB retaining screws (14). The screws used in the control head are No. 4 Plastites, and should not be con-

fused with the M3 screws used elsewhere. When being replaced, the No. 4 Plas-

tite screws must be tightened to a torque of 8in.lb (0.9Nm).

81

With the control head face down, gently remove the PCB (13), along with the key-

pad (8) and lightspreader (7). Do not disturb the positioning or height of the LEDs, as this is critical for reas-

sembly. Carefully remove the LCD (6) and lens (12). Lay the front panel (3) on a horizontal surface, with the light spreader (7) in place. Remove the volume knob (1) and volume knob nut (5) to access the lightspreader and keypad (8). Before reassembly, the LCD and PCB edge connectors should be wiped with alco-

hol. Take care to ensure the alcohol does not come in contact with the coating on the light spreader, as this will dissolve on contact with alcohol.

8 88+

#)3 )6 Refer to Figure 3.7. Remove the top cover and open the logic PCB, as described in Section 3.2.1. Remove the microprocessor shield and bottom cover, as described in Section 3.2.2. The control head (locally mounted models) or dummy front panel (remotely mounted models) can now be removed. Unplug the loom running between the logic PCB and EMC filter PCB (18). Unplug the loom running between the EMC filter PCB and the control head. Remove the 4 EMC filter PCB retaining screws. The EMC filter PCB can now be lifted from the chassis.

88-

!,# 11:1"141+1 Refer to Section 8.16, T2000-A03/-A04/-A16 Remote Loom Kits.

8

8

7!& &# $#

As the location of certain components in the PA is critical to performance, it is important that any components removed or disturbed are refitted in exactly the same location. 8 8

& #! Desolder the tabs by heating them with a soldering iron, then lifting them up towards the transistor with a thin stainless steel spike or screwdriver. Unscrew the transistor mounting stud nut or screws and remove the transistor. Trim the tabs of the replacement to make them similar to the faulty item, then lightly tin the underside of the tabs. Apply a thin layer of heatsink compound to the underside of the transistor. Screw the transistor tightly to the heatsink then solder the tabs. Do not solder the tabs before tightening the screws or nut, as this will fracture the device. 8 8

)#)&# Apply a heavy duty soldering iron to the top of the capacitor case. When the solder is molten, ease the capacitor away from the PCB with a thin stainless steel spike or screwdriver.

8"

8 8"8

Surface mount devices require special storage, handling, removal and replacement techniques. This equipment should be serviced only by an approved Tait Dealer or Service Centre equipped with the necessary facil-

ities. Repairs attempted with incorrect equipment or by untrained person-

nel may result in permanent damage. If in doubt, contact Tait Electronics Ltd or your nearest Tait Branch or Subsidiary. 8"88

##>?# The following points must be observed when servicing SMDs:

Carry out all servicing in a static safe work area (refer to Figure 3.1). Always observe static precautions when handling or carrying SMDs. Carry in foil, anti static bags or in trays and anti-static tubes for fine pitch ICs. Use appropriate tools when working with SMDs (refer to 3.4.1.2). Do not use soldering irons on surface mount capacitors, resistors, SOIC and SOT components. Use new solder when replacing SMDs. Use the correct amount of solder (refer to Figure 3.9). Never reuse old SMDs. Do not use SMDs that have been dropped. 8"88

#(&( Hot air tool or heat gun: adjustable temperature is required and a regulated hot air blower. The nozzle is changed according to the size of the SMDs. Weller Pyropen: this is a butane hot air tool, and is hotter than a heat gun. For use only for resistors, capacitors and SOTs. Solder paste dispenser or syringe: for SMD placement. Tweezers: for use when handling SMDs. Solderwick: for removing solder on SMD pads or for removing excess solder or bridging on multi-leg components.

8"

Soldering iron: for use on electrolytic capacitors and plastic coated devices that may be damaged by a heat gun. Microscope: for individual SMD inspection and for SMD replacement. Use the following diagram to identify types of SMD components. RESISTOR MELF SOIC PLCC CAPACITOR SOT QFP LCCC

272 272

8+

8"88

4& #*)& Refer to Figure 3.9.

(a) Capacitors, Resistors, MELF & SOT Hold the nozzle of the hot air tool above the component and keep it moving to ensure that the PCB is not damaged. Remove the SMD and clean away any glue using the hot air tool and a pair of tweezers. Remove any excess solder from the pads using solderwick. Deposit a small amount of solder paste on the pads using the solder paste dis-

penser or syringe. Apply heat evenly to both sides of the device using the hot air gun or Weller Pyro-

pen, until all the paste has reflowed. As this happens, the device will self-align on the pads. If necessary, use tweezers to prevent the SMD from moving while heat is being applied.

(b) SOIC, VSO, QFP, LCCC & PLCC Hold the nozzle of the hot air tool on top of the leads and keep it moving to ensure that the PCB is not damaged. A hot air tool with the correct size nozzle must be used. After a few seconds heating, use a very gentle twisting motion to allow the device to move away from its associated pads. Carefully remove all excess solder from the pads using a soldering iron and sol-

derwick. Apply an even amount of solder paste along the full length of the pads, using flux where necessary. Align the device accurately on the pads and apply a slight pressure with the tweezers to hold in place. Hold the heat nozzle at an angle and move it slowly along the leads, ensuring that the paste reflows properly. If any fine bridges occur, use a spike or solderwick to clear. If this is necessary, apply more solder paste before using the hot air gun again.

8-

adaquate solder insufficient solder excess solder capacitor

& resistor MELF SOT SOIC

(gull leads) PLCC

(J leads)

8. 8"88"

))*3

(a) Cracked SMD Most often occurs with capacitors, caused by:

Thermal shock: if the SMD is heated too rapidly either it will crack or internal seals will be lost, resulting in premature failure. In-service temperature changes that cause invisible micro-cracks. These start at or just under the end termination and will spread throughout the device over a long period of time.

(b) Solder Joint Failure Stress causing flexing of the PCB leads to a cracked joint. Excessive or too little solder results in a poor quality joint. Various soldering process defects such as solder balling, device misalignment, solder bridging and glue defects.

(c) Static Electricity Damage If static electricity damage is suspected, remove and replace the component. 8"8

,)& Whenever components are removed from or fitted to the PCB, care must be taken to avoid damage to the track. The two satisfactory methods of removing components from PTH PCBs are detailed below. 8"88

$ Use a desoldering station, e.g. Philips SBC 314 or Pace MBT-100E for this method. Place the tip over the lead and, as the solder starts to melt, move the tip with a cir-

cular motion. Start the suction and continue the movement until 3 or 4 circles have been com-

pleted. Remove the tip while continuing suction to ensure that all solder is removed from the joint, then stop the suction. Before pulling the lead out, ensure it is not stuck to the plating. If the lead is still not free, resolder the joint and try again. The desoldering iron does not usually have enough heat to desolder leads from the ground plane. Additional heat may be applied by holding a soldering iron on the tip of the desoldering iron (this may require a helper).

8/

8"88

)&) Cut the leads on the component side of the PCB. Heat the solder joint sufficiently to allow easy removal of the lead by drawing it out from the component side: do not use undue force. Fill the hole with solder and then clear with solderwick. 8+

Refer to the T2000 programming manual supplied with the T2000 programming kit, and Section 9 of this manual.

"8

3# This Section details test procedures will confirm that the T2000 has been adjusted cor-

rectly and is fully operational. The following topics are covered:

Section Title 4.1 4.2 4.3 4.4 4.5 Test Equipment Required Connecting The Radio Trunked Radios Trunking System Check Receiver Performance Tests To Check The Squelch Operation To Check The Squelch Ratio To Check The Audio Output Level And Distortion To Check The Sinad Sensitivity To Check The Signal+Noise To Noise Ratio To Check The Ultimate Signal To Noise Ratio RSSI To Check The Operation Of The Noise Blanker Transmitter Performance Tests Audio Processor To Check The Limiter Circuit Operation To Check The Audio ALC Operation To Check The Gain Of The Audio Processor Modulation Characteristics To Check The Above Limiting Response To Check The Below Limiting Response To Check The RF Power Control Circuit 4.3.1 4.4.1 4.4.2 4.4.3 4.4.4 4.4.5 4.4.6 4.4.7 4.4.8 4.5.1 4.5.1.1 4.5.1.2 4.5.1.3 4.5.2 4.5.2.1 4.5.2.2 4.5.3 Page 4.2 4.3 4.4 4.4 4.5 4.5 4.5 4.6 4.6 4.7 4.7 4.7 4.8 4.9 4.9 4.9 4.9 4.10 4.10 4.10 4.10 4.11

"8

"8

(&( The following equipment is required for functional testing. Power supply cord, wired as shown in Section 8.3. Power supply adjustable between 9 & 16V DC, with a capacity of at least 8A. VHF or UHF signal generator: good quality FM 50W 200mV (0dBm) pd (e.g. HP8640B, Marconi 2019).

, usable from 0.1V (-127dBm) to Frequency counter: 10Hz to 650MHz, 2ppm stability, with at least a 2s time base res-

olution (e.g. Opto). Audio signal generator: 600W output, -50 to 0dB level, fully adjustable, sine wave output 10Hz to 100kHz (e.g. Trio 203, HP204C/D). FM deviation meter (e.g. Sayrosa 257 or 252), with the following specifications:

low residual FM resolution down to a full scale of 1kHz and a minimum of 10kHz

- maximum positive and negative peak display

- 15kHz low pass filter

- detected audio output facility.

When using with LTR or DCS, the deviation meter must have a good low fre-

quency response, to avoid incorrect deviation readings. Sinad meter or audio distortion analyser, 1kHz notch type (e.g. HP334A, HP339A or Helper Instruments Sinadder). AC millivoltmeter (e.g. Trio VT-106). Digital multimeter (e.g. Fluke 75). 20MHz dual channel oscilloscope and X10 . X1 scope probes (e.g. Trio CS1022). RF power meter, 50W

; RF detecting element 50W and 5W for appropriate frequency ranges (e.g. Bird Meter 6154 or 611). RF power attenuator, 50W 150W).

, total attenuation 30dB (e.g. Weinschel 40-40-33 30dB, Microphone test box (refer to Figure 4.1). A multifunction test set may be used as long as it has the appropriate function to per-

form the calibration correctly e.g. Rhode & Schwarz CMS52 Radio Communications Test Set, with a high stability oscillator.

"8

"8

)# The following diagram shows a suggested test equipment set-up.

"8"

"8

9 The test facility enables T2000 trunked radios to emulate a multichannel radio, using the frequencies reserved for trunking. For a description of how to put the radio in test mode, refer to Section 5.8, Trunked Radios: Test Mode. Once the radio is in test mode, functional testing can be carried out as described in Section 4.4 and Section 4.5.

When in test mode, connect the antenna socket to a dummy load to pre-

vent interference with trunking systems. Avoid testing on channels in use locally.

"8 8

9)#9 Connect the radio to an antenna and switch on. Check that the radio locks onto the system:

T203X radios: the

 LED illuminates. T2040 radios: the

 annunciator will appear in the control head display. The following parameters relating to the local trunking system base station must be correctly programmed before the mobile will lock onto the system:

Base station channel numbers and frequencies. Network ID. Zone and area field length. Base station control channel number in the hunt list. Valid acquisition authorisation code (for test purposes this can be set to none, which allows total access). Initiate a call to a known unit identity. For test purposes this can be your own identity. Check that:

The radio beeps. A 0.5s ringing tone is sounded. The receiver unmutes. T203X: The

LED illuminates. T2040: the

annunciator comes on.

"8+

"8"

## In this Section, deviation settings are given first for wide band, followed by settings for medium band in brackets ( ) and settings for narrow band in square brackets [ ].

"8"8

)#9( #*& Connect a sinad meter across the speaker terminals. Connect an on-channel RF signal generator to the antenna input terminal. Disable any signalling control in T2010 or T2020 models by using the monitor function. The control head  LED should now be active. Reduce the signal generator output level to -127dBm, modulated to 3kHz

(2.4kHz) [1.5kHz] deviation at 1kHz AF. Increase the RF output level until the squelch gate just opens. Check that the reading on the sinad meter is between 8 and 14dB. Reduce the signal generator output and check that the squelch gate closes within 4dB of the original RF level.

"8"8

)#9( # Set the signal generator output level to -47dBm, modulated to 5kHz (4kHz)

[2.5kHz] deviation at 1kHz AF. Replace the sinad meter with an audio millivoltmeter across the speaker termi-

nals. Adjust the volume control to the onset of clipping. Reduce the signal generator output level to -127dBm. The fall in output is the squelch ratio, and this should be at least 70dB.

"8-

"8"8

)#9!*&, ! Connect an audio millivoltmeter and an oscilloscope across the speaker terminals. Connect an on-channel RF signal generator to the antenna input socket, with the output set to -107dBm (1V) modulated to 5kHz (4kHz) [2.5kHz] deviation at 1kHz AF. Set the volume control to the onset of clipping. The receiver output should be 4.2Vrms across 4W at +13.8V supply. Check the distortion with the aid of a distortion analyser connected across the speaker terminals. The distortion should not exceed 5%.

"8"8"

)#9 Connect a sinad meter across the speaker terminals. Connect the signal generator to the antenna input terminal. Set the signal generator accurately on the receive frequency. Set the modulation for 3kHz (2.4kHz) [1.5kHz] deviation at 1kHz AF. Increase the signal generator output until a 20dB sinad is reached. Switch off the signal generator modulation. Couple a 10.7MHz reference oscillator loosely into the receiver IF stage, tune the signal generator for a zero beat, then uncouple the reference oscillator. Set the signal generator deviation to 3kHz (2.4kHz) [1.5kHz] at 1kHz AF.

The modulating frequency must match the notch of the sinad meter. Set the signal generator output level to -127dBm. Disable the squelch control circuitry using the  key T2015, T2020, T2050 or T2060, the 


21 on the T2040. The LED should then flash. Fn on the T2010, key on the T203X, or function Increase the signal generator output level until a sinad of 12dB is reached. The signal generator output should not be greater than -117dBm and is typically

-119dBm.

"8.

"8"8+

)#9 @AA Set the signal generator output level to -107dBm modulated to 5kHz (4kHz)

[2.5kHz] deviation at 1kHz AF. Connect an audio millivoltmeter across the speaker terminals. Set the volume control for a reading of 0.8V (0dBm) on a convenient scale on the millivoltmeter. Switch off the signal generator modulation. Note the reading on the millivoltmeter. The fall in reading when the modulation is switched off should typically be 30dB

(28dB) [25dB].

"8"8-

)#9% A

A good quality RF signal generator with low residual FM must be used for this check (e.g. HP8640B or 8656). Set the signal generator to give an on-channel signal, modulated to 5kHz

(4kHz) [2.5kHz] with a 1kHz tone. Set the signal generator output level to -47dBm. Connect an AC millivoltmeter across the speaker terminals. Adjust the volume control for a reading of 0.8V (0dBm) on a convenient scale. Turn off the signal generator modulation. Note the reading on the millivoltmeter. The fall in reading when the modulation is switched off should be at least 50dB

(48dB) [45dB].

"8"8.

$ Set the signal generator to give an unmodulated signal at an output level of

-120dBm. Increase the input level in 10dB steps over the 50dB dynamic range and monitor the RSSI output on pin 15 of S14 (logic PCB). Ensure the output varies approximately 540mV/10dB over the dynamic range.

"8/

"8"8/

)#9*&*A6 9 Connect an ignition noise simulator and an RF signal generator to the receiver antenna input. Set the signal generator modulation for 3kHz (2.4kHz) [1.5kHz] deviation at 1kHz AF. Set the signal generator output level to give a 20dB sinad. Listen to the receiver output and check the operation of the noise blanker by tem-

porarily short circuiting R135 on the RF PCB to ground, thus disabling the noise blanker. The noise blanker should give a marked reduction in noise over a wide range of noise input amplitudes.

"80

"8+

# In this Section, deviation settings are given first for wide band, followed by settings for medium band in brackets ( ) and settings for narrow band in square brackets [ ].

"8+8

"8+88

)#9,)#*& Connect an oscilloscope to monitor the waveform at TSP901 (TCXO PCB). Plug the microphone test lead into the control head microphone input socket. Apply a 1kHz sine wave. Slowly increase the sine wave output level until the waveform begins to distort

(squaring), indicating that limiting has commenced. Any further increase in sine wave output level should not increase the amplitude of the waveform.

"8+88

)#9!!,)*& Connect an oscilloscope to monitor the waveform at TP606 (logic PCB). Apply a 1kHz sine wave. Connect an EVM to the junction of R667 and C639. Increase the sine wave output level to 10dB above the limiting level, as described in Section 4.5.1.1. Note the amplitude on the oscilloscope, then increase the output level by another 10dB. Check that the amplitude of the waveform does not increase or distort signifi-

cantly. The EVM should show a positive DC reading.

"81

"8+88

)#92*!# Connect the T2000 antenna output via a 30dB attenuator to a modulation meter. Plug the microphone test lead into the control head microphone input socket. Apply a 1kHz sine wave and adjust the output level to give a 3kHz (2.4kHz)

[1.5kHz] deviation reading on the modulation meter. Connect a millivoltmeter across the input of the microphone test box and check for a reading of approximately 1mVrms on the millivoltmeter.

The audio processor gain must be checked at a level below that at which the audio ALC or limiting are influencing the measurements.

"8+8

"8+88

)#9!,& Connect the T2000 antenna output via a 30dB attenuator to a modulation meter. Plug the microphone test lead into the control head microphone input socket. Apply a 1kHz sine wave and increase the output level to 20dB above the limiting level, as described in Section 4.5.1.1. Vary the frequency of the sine wave generator between 0.3 and 5kHz. Note the reading on the modulation meter. The deviation should not exceed 5kHz (4kHz) [2.5kHz]. Between 450Hz and 3kHz (3kHz) [2.55kHz] the deviation should be within 4dB of maximum. Above 3kHz the deviation should decrease by more than 25dB/octave.

"8+88

)#96 7,& Decrease the sine wave generator output level to 10dB below the limiting level, as described in Section 4.5.1.1. Sweep the sine wave from 0.3 to 10kHz. Note the reading on the modulation meter. From 300Hz to 3kHz (3kHz) [2.55kHz] the deviation should increase at the rate of 6dB/octave (+1, -3dB) relative to 1kHz. Above 3kHz the deviation should decrease by more than 25dB/octave.

"8

"8+8

)#937) )# Connect an RF power meter to the transmitter output. Select a channel programmed for high power (25W). Close the PTT switch. Vary the supply voltage between 10.8 and 16V. Above 13.8V the RF power output should not increase by more than 2W. At 10.8V the RF power output should be more than 16W.

"8

+8

This Section provides general fault finding assistance, and is intended to be used in con-

junction with the circuit descriptions and block diagrams in Section 2 and the circuit diagrams and PCB information in Section 7. The following topics are covered in this Section:

Section Title 5.1 5.2 5.3 5.4 5.5 5.6 5.7 5.8 5.9 5.10 5.5.1 5.3.2 5.5.1 5.5.2 5.5.3 5.7.1 5.7.1.1 5.7.1.2 5.7.2 5.8.1 5.8.2 5.8.2.1 5.8.2.2 5.8.3 5.8.3.1 5.8.3.2 5.8.4 5.8.5 5.8.5.1 5.8.5.2 5.8.6 Servicing Warning Visual Checks Component Checks Transistor Check Integrated Circuit (IC) Check DC Checks Receiver RF Checks VCO Frequency Control Line Voltages RF Sensitivity Transmitter RF Checks Trunked Radios: System Check Base Station Check T2030 Radios T2040 Radios Base Station Control Channel Hunt Trunked Radios: Test Mode Test Mode Overview Manual Test Mode (MTM) T2030 & T2035 MTM Operation T2040 & T2050 MTM Operation Computer Controlled Test Mode (CCTM) CCTM Selection CCTM Protocol Power-Up State Test Facilities Available Resetting The Radio Test Facilities Table Trunked Radios: Radio Mode/Status Display Codes Options Interface Specifications Fault Finding Charts Page 5.2 5.2 5.2 5.2 5.2 5.3 5.4 5.4 5.4 5.5 5.5 5.6 5.6 5.6 5.6 5.6 5.7 5.7 5.7 5.8 5.9 5.9 5.10 5.10 5.11 5.11 5.11 5.12 5.15 5.17 5.20

+8

+8

#B T2000 Series II radios require specialised servicing techniques. Before attempting any disassembly or repair, refer to Section 3, Introduction To Servicing. Repairs attempted with incorrect equipment or by untrained personnel may result in permanent damage. If in doubt, contact Tait Electronics Ltd or your nearest Tait Branch or Subsidiary.

+8 C )#9 Check that the radio is suitable for the required frequency range and IF band-

width (refer to Section 1.4, Product Codes). Check that the programmed frequencies are correct. Remove the covers from the T2000 and inspect the PCBs for damaged or broken components, paying particular attention to the surface mounted devices (SMDs). Check for obvious mechanical faults in the PCBs, controls, microphone, etc. Check for defective solder joints.

If repair or replacement is considered necessary, refer to Section 3.4, Repair.

+8

)&)#9

+8 8

)#9 Measure the forward and reverse resistance of the transistor junctions, first mak-

ing sure that the transistor is not shunted by some circuit resistance.

A 20kW /V or better multimeter should be used for taking the measurements, using only the medium or low resistance ranges. Check the collector current drawn by the transistor.

+8 8

$)#>$)?)#9 Measure the DC operating voltages if the IC. Due to the catastrophic nature of most IC failures, the pin voltages will usually be markedly different from the rec-

ommended values in the presence of a fault. The recommended values can be obtained from either the circuit diagram or the component data catalogue.

+8"

))#9

+8 Refer to the Radio Wont Switch On fault finding chart in Section 5.10.1. Check all regulated supply voltages for the correct voltage levels. DC levels can be checked using the voltage information on the circuit diagrams.

+8"

+8+

#3)#9

+8+8 C)*3(# Check that the VCO is phase locked. Connect a frequency counter (level +10dBm) to the VCO input to the mixer (junction of C241 and L109). Monitor the local oscillator frequency and check that it is above or below the required receive frequency according to the following list:

Model T2000-100 T2000-200 T2000-300 T2000-400 2000-500 T2000-600 T2000-700/900 T2000-800 Local Oscillator Frequency 27.7MHz below 10.7MHz above 27.7MHz above 27.7MHz below 49.1MHz below 49.1MHz below 49.1MHz below 61.9MHz below

+8+8

) ,C The following table gives approximate control line voltage for receive and transmit at the band edges. Model Frequency

(MHz) T2000-100 T2000-200 T2000-300 T2000-400 2000-500 T2000-600 T2000-700 T2000-800 T2000-900 220 270 66 88 136 174 175 225 400 470 450 520 330 360 851 870 360 400 Receive Control Line Transmit Control Line VCO Frequency

(MHz) 192.3 242.3 76.7 98.7 163.7 201.7 147.3 197.3 350.9 420.9 400.9 470.9 280.9 310.9 789.1 808.1 310.9 350.9 Control Line Voltage (V) VCO Frequency

(MHz) Control Line Voltage (V) 4.50.5 9.81 7.30.6 13.81 7.50.6 131 4.50.6 10.61 2.50.5 131 2.50.5 131 2.50.5 6.30.7 1.80.5 4.50.5 20.5 7.51 220 270 66 88 136 174 175 225 400 470 450 520 330 360 806 825 851 870 360 400 7.60.5 12.71 4.50.6 111 4.50.6 9.21V 7.80.7 13.81 30.6 13.50.7 2.20.5 13.51 8.50.7 12.30.7 3.80.5 6.50.5 9.50.5 12.00.5 81 12.51

+8+8

3

+8+

Refer to the Synthesiser Faults, Receiver Front End Faults and Receiver IF Faults fault finding charts in Section 5.10. Check that the VCO is on the correct frequency, and that the receiver is correctly aligned. Check that the sensitivity into the front end is -119dBm (typical). If the sensitivity is low (less than -117dBm), the fault can be traced by measuring the sensitivity into successive circuit blocks. Prepare a test cable by connecting a 1nF capacitor to the end of a length of coaxial cable, as shown below. Coax 1nF To Test Cable Connect To Earth

Before using the test cable, ensure the coax braid is connected to an earth point on the PCB. Using the RF test cable, apply a modulated signal to test points in the first IF sec-

tion, at the first IF frequency, as follows:

Model T2000-100 T2000-200 T2000-300 T2000-400 2000-500 T2000-600 T2000-700/900 T2000-800 First IF Frequency (MHz) 27.7 10.7 27.7 27.7 49.1 49.1 49.1 61.9 Alternatively, apply an on-channel RF signal to the front end test points. Poor sensitivity indicates a fault in one of the circuit blocks following the test point. For typical sensitivity levels, refer to the fault finding charts.

Poor sensitivity at the mixer input can be caused by lack of drive level from the VCO.

+8-

3)#9 Measure in-circuit RF levels with an RF probe. Typical RF levels can be found in the Transmitter RF Low Power Faults fault finding chart, in Section 5.10.8.

Shorten the RF probe earth lead to a minimum.

+8-

+8.

9)#9

+8.8 6)#9 This checks that the local base station repeater is on air and checks that the correct base station frequency is programmed into the radio.

+8.88

1 1 Reprogram the first normal hunt channel to be the base station repeater channel number. Enter test mode (refer to Section 5.8, Trunked Radios: Test Mode). Press the front panel C4 key, and the FFSK should be audible.

+8.88

1"1 Enter test mode (refer to Section 5.8, Trunked Radios: Test Mode). Enter the base station repeater channel number, and the FFSK should be audible.

+8.8 6) ) = This checks that the radio is hunting the base station control channel. Refer to the Trunked Radios: Radio Wont Acquire A Control Channel fault finding chart in Sec-

tion 5.10.11.

Do not enter test mode. Monitor pin 15 of IC510 (modem IC) on the T2030 or T2040 logic PCB, with a scope probe. FFSK should be visible for 100ms as the radio scans (hunts) through the channels. If the radio does not lock onto the required channel, this indicates one of the fol-

lowing faults:

The parameters on the network identity page are incorrect. The acquisition authorisation is incorrect. The signal is not opening the mute (receiver mute fault, refer to the Receiver Mute Faults fault finding chart in Section 5.10.6). The programmed logical channel number is incorrect (even if the frequencies are correct).

+8.

+8/

9

+8/8

*7 The test mode facility enables the trunked radio to emulate a multichannel radio, utilis-

ing the frequencies reserved for trunking. The radio can then be tested and aligned, as described in Section 4 and Section 6. There are two test modes provided: manual and computer controlled. Manual Test Mode (MTM): Commands are entered and test results are displayed using the keys, LEDs and the display on the control head. Computer Controlled Test Mode (CCTM): Test commands are accepted via the serial port of the radio, and test results are returned as required. Although this mode is primarily intended for automated production testing, it may also be useful in the field. No test facilities have been provided for functions relating to non-trunked operating mode (e.g. CTCSS), as these functions can be easily tested in non- trunked mode. Within this Section, the following conventions apply:

Characters within indicate a string sent or received via the serial communica-

tions port of the radio, e.g. a command code or an error code. Numbers without are function numbers, manually entered via the control head in MTM to select particular test functions.

) When in test mode, connect the antenna socket to a dummy load to pre-

vent interference with trunking systems. Avoid testing on channels in use locally.

+8/8

>? Switch the radio off and remove the top cover. Place a temporary link across the two pads labelled TEST MODE on the logic PCB. Switch on the radio:

T2030 radios: all the front panel indicators will illuminate briefly. T2035 and T2060 radios: the display will show - - for a short time. T2040 radios: the control head will display TEST MODE for a short time. Remove the link. The radio will remain in test mode until it is next switched off.

+8/

In MTM, the following operations are common to T203X, T2040 and T2060 radios:

A short beep is sounded after every key press. All models accept the reset command character (^). The microphone PTT switch functions as in normal operation, i.e. a PTT press/

release selects transmit and receive respectively. LEDs or LCD annunciators are used to indicate transmit, synthesiser lock status and receive signal detect status (refer to Table 5.2, Radio Mode/Status Display).

MTM can also be selected by sending the MTM select command while in CCTM or program mode (refer to Table 5.1, T2000 Test Facilities), then switching the radio off then on again.

This mode selection is sticky, in that the radio will always power- up in MTM if no serial device logs on, regardless of the state of the test link. This automatic mode selection can only be cleared by sending the appropriate command (refer to Table 5.1, T2000 Test Facilities).

Increment channels in MTM by shorting S14 pin 10 (/EMRGNCY) to ground. When the highest channel is reached, the next increment selects the lowest channel.

+8/88

1 141 +*&

1 1 Four preset channels are available via the four preset keys

, and their associated LEDs show the current channel. All four channels can be programmed to any frequency within the full coverage band of the radio. selects the channel with the lowest number (i.e. the lowest channel in the net-

to C1 C4 C1 work). C2 selects halfway between the highest and lowest channels available, rounding up to the nearest channel. C3 selects the channel with the highest number (i.e. the highest channel in the network). C4 selects the first channel in the normal hunt list.

1 + To select a channel, enter the channel number required using the front panel keys, and press the   key

. The   key enables & disables the minimum shift keying (MSK) modem transmit, and the   LED momentarily shows status. Action of the key is push-on/

push-off. When the modem transmit is enabled, the microphone audio is muted and when the modem transmit is disabled, the microphone audio is unmuted. When the radio is in receive, the modem transmit is temporarily disabled (and the microphone audio is muted), but this is not shown by the   LED.

+80 The
 
key selects MSK modem transmit test patterns. The
 
LED is off for zeros, on for ones and flashing when preamble is being sent. Successive depressions of the key will scroll through the three states. Whenever the
 

key is pressed, the modem transmit is enabled unless the radio is in receive, in which case the   LED will illuminate momentarily. The 

 key controls the transmit power output of the radio. The 

 LED is off for low power, on for high power and flashes when maximum power has been selected. Successive depressions of the key will scroll through the three states. Each time the channel is changed, the transmit power is reset to the level pro-

grammed for the new channel and is indicated by the 

 LED.

+8/88

1"141+1*& Test functions are selected by entering a two digit number followed by the  

key

. Channels are selected by pressing the key (Chan will appear in the display), followed by a one to four digit channel number and terminated with the  

key. After every valid command execution, a confirmation will appear in the control head display in the form of a message. A confirmation tone is also sounded. Entries that are invalid for any reason, e.g. an invalid function or channel number, result in a displayed message and a warning tone.

+8/8

)&) >))? In CCTM, test commands are accepted via the serial port of the radio and test results are returned as required. To send and receive commands from the radio it is necessary to run a dumb terminal emulation program on a PC. The serial communications port parameters are as follows:

Logic levels:

Out: 0V = 1, +5V = 0 In: -12V to 0V = 1, +3V to +12V = 0 A programming lead may be used to convert the output to RS232 voltage levels. No handshaking (RTS, CTS etc. not implemented). Full duplex. 4,800 baud. One start bit, eight data bits, one stop bit, no parity. Flow control: Xon/Xoff

+81

+8/8 8

After power-up, a reset command or a hardware reset, the radio sends the logon prompt character v. Replying with an ASCII % within 500ms of the prompt will put the radio in CCTM. The radio will confirm engagement of CCTM by sending the prompt -, preceded by a CR.

If no reply is received within the required period, the radio will engage normal trunked mode, or MTM if the test link is fitted or the sticky MTM is active. If CCTM is engaged when the test link is fitted, the radio sends an error message and gives a unique error indication (refer to Table 5.2, Radio Mode/Status Display). While in CCTM, MTM can be selected (refer to Section 5.8.2). This will not come into effect until after the next power-up or reset. To re-engage CCTM without switching the radio off then on, a reset command can be sent to reset the radio and restart logon prompting.

+8/8 8

))# The radio accepts commands in any of the following formats:

- A two digit ASCII string selects the corresponding test function.

- A * character followed by a one to four digit channel number (in ASCII) sets the radio to that channel. Each command must be terminated with an ASCII CR character to initiate execu-

tion of the command.

If the command requires no reply, the radio then responds with a - prompt char-

acter. If a reply is required, the radio responds with a data string followed by a CR and a - prompt . The - prompt indicates that the radio is ready to accept the next command. There is only ever a single reply string to any command. Invalid commands, e.g. an invalid function number or channel number or invalid characters in a command, cause a {C01}, followed by CR and -, to be sent in reply, indicating a command error. In CCTM the radio will accept a reset command character (refer to Section 5.8.5). ASCII line feed characters are permitted at any time, but are ignored so that test commands may be terminated with CR or LF. All switches (including PTT, hook etc), keys and displays on the front panel or con-

trol head of the radio are disabled while in CCTM, and no tones are sounded.

+8/8"

7%&

+8 When manual or automated test mode is engaged after logon, the radio will be in the following state, where applicable to particular radio models. The numbers in brackets refers to the test facility, as described in Table 5.1, T2000 Test Facilities. Synthesiser programmed to the last selected channel. Modem transmit off (13). Force receive audio muted if in transmit mode (20). Force receive audio unmuted if in receive mode (21). Microphone audio muted if in receive mode (22). Microphone audio unmuted if in transmit mode (23). Radio power amplifier enabled (31). Radio set to receive if PTT released on power-up (32). Radio set to transmit if PTT pressed at power-up (33). 13.8V switched supply on / ECN off (43). Radio not in state for current measurement test (45). Microprocessor clock rate set as programmed for the channel if in receive mode. Microprocessor clock rate normal if in transmit mode (70). Radio transmit power set as programmed for the channel. The behaviour of the front panel or control head digital display and/or LEDs is described in Table 5.2, Radio Mode/Status Display.

+8/8+

3# !

+8/8+8

The radio may be reset at any time in any of the following ways:

Switch the radio off then on again. Momentarily connect the microprocessor reset pin to ground (pads are provided on the enhanced control PCB). Send a reset command character (^) over the serial communications port (refer to Table 5.1).

The radio will not respond to the reset character after an EPROM or RAM test failure.

+8

+8/8+8

3# The following table lists the test facilities available in MTM and CCTM for the T203X, T2040 and T2050. Facilities for the T2010, T2015 and T2020 are also listed for compari-

son, and further information about the tests is listed following the table. Within the table, a - indicates the corresponding facility is not available, and nnnn is a one to four digit channel number (leading zeros are permitted). T2010/T2015 T2020 Normal CCTM Normal CCTM Man T203X T2040/T2050 Auto Man Auto Signalling functions:

10. set modem to send zeros 11. set modem to send ones 12. set modem to send preamble 13. disable modem Tx 14. read modem Rx state 15. disable subaudible signal 16. enable subaudible signal 17. read signalling decode status Mute functions:

20. force Rx audio muted 21. force Rx audio unmuted 22. mute microphone audio 23. unmute microphone audio 24. let squelch control Rx audio 25. read squelch Rx busy status 26. relax Rx audio mute control Radio Rx/Tx functions:

30. inhibit the PA (Tx mode) 31. enable the PA (Tx mode) 32. set radio to Rx 33. set radio to Tx 34. set PA to low power 35. set PA to high power 36. set PA to max power 37. relax PA power control Power supply functions 42. 13.8VSW off /ECN on 43. 13.8VSW on /ECN off 44. set radio state for current measurement 45. cancel current measurement state RSSI functions:

61. Set L1 threshold 62. set L2 threshold 63. read averaged RSSI level 64. read L1 65 read L2 Miscellaneous functions:

70. select normal P clock rate 71. select birdie P clock rate 72. read synth. lock status 73. relax P clock control

by channel speaker

l-MON*

s-MON

17

21 22 23 24

by channel speaker

l-MON

s-MON

s-MON 26 s-MON

see below

by channel

32 33 34 35 36 37

see below

by channel

by channel

15 16 17 20 21 22 23 24 25 26

32 33 34 35 36 37 42 43

63

70 71 72 73

keys

Fn

Fn

use or key

10 11 12 13 14

20 21 22 23 24 25

30 31 32 33 34 35 36

42 43 44 45 61 62 63 64 65 70 71 72

10 11 12 13

20 21 22 23 24

30 31 32 33 34 35 36

42 43

61 62 63 64 65 70 71

10 11 12 13 14

20 21 22 23 24 25

30 31 32 33 34 35 36

42 43 44 45 61 62 63 64 65 70 71 72

+8 T2010/T2015 T2020 Normal CCTM Normal CCTM Man T203X T2040/T2050 Auto Man Auto Special functions:

92. set sticky MTM 93. clear sticky MTM 94. read serial number 95. read factory model ID 99. get current channel number Radio channel control:

select a channel Single character commands:

reset the radio select programming mode select auto test mode Radio controls & indicators:

PTT press = select Tx mode PTT release = select Rx mode channel increment input Tx indicator synth. out of lock indicator RF signal detected indicator

94 95

94 95

92 93 94 95

92 93 94 95

T2010:

to 1 14 T2015:

keys

yes yes

Tx flash chan LED BUSY

*n chan

*nnn T2030:

to C1 C4 T2035:

Select channel

& press

*nnn

*nnn *nnn

Tx flash chan LED BUSY

yes yes

Tx flash TX &

BUSY BUSY

pin 10, S14 yes yes TX SVC GO

yes yes ECR TX SVC GO

l-MON & s-MON indicate a long (>1s) and a short (<1s) press of the
 key

, respectively.

In MTM, functions 10 - 13, 21, channel selection and PTT control of receive/transmit are all required for MPT1352 testing. Type approval testing requires the channel increment facility using an external input. All test function requests are valid when the radio is in either receive or transmit but some functions (10, 11, 12, 21, 23 and 24) take effect only when the radio is in the appropriate mode. 10 - 13, 22, 23: When any of the functions which set the modem sending test data are selected (functions 10 - 12), the microphone audio is automatically muted. When the microphone audio is unmuted using function 23, the modem transmit is disabled. When the radio is in receive, the microphone audio is temporarily muted and the modem transmit is temporarily disabled. This prevents any unwanted TCXO modulation which may occur on radios with dual point modulation. These automatically selected states can be overridden until the next transmit to receive transition. If microphone unmute or modem transmit enable is requested when the radio is in receive, these functions will not be actioned until the radio is in transmit. 10, 11, 12: The two modem data states selected by functions 10 and 11 are 0 =

1800Hz tone and 1 = 1200Hz tone respectively. Preamble, selected by function 12, is alternating 1800 and 1200Hz tones at a rate of 1200 baud.

+8"

14, 25, 72: These functions return a Boolean radio status value, either a 0 or a 1, as follows:

Return Value 0 1 14 - read modem Rx state 25 - read Rx busy state 72 - read synth lock status data = 0 no RF signal detected RF signal detected out of lock data = 1 in lock 20: The receive audio is muted temporarily to quieten the speaker whenever the radio is in transmit. This state may be temporarily overridden until the next receive to transmit transition. If force Rx audio unmuted (21) or let squelch control Rx audio (24) is requested when the radio is in transmit, the function will not be selected until after the radio is in receive. 32, 33: Functions 32 and 33 are provided in MTM so that the radio transmit state can be sustained without the need to hold the PTT depressed. Caution must be exercised to prevent the power amplifier from overheating. 42, 43: Select economy/non-economy state. In economy state the audio power amplifier is disabled and the front panel backlighting is set to its programmed econ-

omy state. In non-economy state, the audio power amplifier is enabled and the back-

lighting is set to its normal programmed state. 44, 45: Engage/disengage radio state for measurement of typical trunked mode sup-

ply current drain. In this state only the SVC and C1 LEDs are switched on and non-economy state is selected (function 43). Upon disengagement, the previous dis-

play is reinstated but the economiser state is not altered. 61, 62: To set up the RSSI thresholds, apply an RF signal to the radio (on an appropri-

ate receive channel) at the threshold level. Allow at least 400ms for the RSSI averag-

ing to settle, then select function 61 or 62 as required. The averaged RSSI threshold value (in decimal full scale = 255) is either displayed if in MTM or returned via the serial port if the radio is under computer control. The value is also stored in the radios database (in the microprocessor EEPROM) and the database checksum is automatically updated. 63: In MTM, function 63 gives a regularly updated display of the averaged RSSI value. The leftmost decimal point will light when the RSSI level equals or exceeds L1, and the rightmost decimal point will light when the RSSI level equals or exceeds L2. In CCTM a single averaged RSSI value is returned. At least 400ms should be allowed after any change in signal level for the returned value to be accurate. 94: Returns the serial number part of the radios ESN as a number of up to 6 digits with leading zeros suppressed. 95: Returns the factory programmed factory model ID as a string of six decimal digits. 99: This function is intended to allow easy modification of the current channel number via the number entry keys.

+8+

+8/8-

9& ) The mode or status of the radio is indicated by the behaviour of:

the monitor LEDs (ML1 and ML2) on the top side of the logic PCB the radio control head LEDs. Unless otherwise stated, the two monitor LEDs behave as in normal operation:

ML2 is off ML1 flashes at a rate of 1Hz to indicate watchdog timer kick activity In normal trunked radio mode, ML2 flashes at a rate of several Hertz. This indicates control channel hunt or codeword reception on a control channel. A value in brackets { } with a mode/status description indicates that the radio sends an error message via the serial port upon engaging that mode/status. This table identifies display states for trunked radios, with non-trunked models for comparison. Mode/State T2010/T2015 T2020 T2030/T2035 T2040 CONFIG error CONFIG register programmed ROM or RAM test failure ESN checksum error

{X31}

(go to program mode) Database checksum error {X32}

(go to program mode) System error

{Enn}

MOBD link left in &

CONFIG register OK

{X06}

Logon with test link in

{X07}

Key/LED test failure

{X04}

Monitor LEDs flashing together. Display shows CONF-ERR Display shows CONF-PGM Tone output tog-

gling. Display undefined CTCSS output tog-

gling. Display undefined Display shows

-PROG-

Top row LEDs on As for program mode. 2010: all channel LEDs on 2015: display shows 00 Monitor LEDs flashing together. Display shows CONF-ERR Monitor LEDs flashing together. Top & bottom row LEDs flashing. C1 LED on (if fitted) Display undefined Display shows CONF-PGM Tone output tog-

gling. Display undefined Display shows ESN-ERR Tone output tog-

gling. LEDs unde-

fined As for program mode + CLR LED flashing. T2035: dis-

play shows -U1 As for program mode + DESP LED flashing. T2035: display shows -U2 Display shows

-DATA-ERR-

Top row LEDs on. Monitor LEDs alternately flashing. ERROR nn in dis-

play (nn = error mumber) Display shows MODB-ERR Display shows TLINK-ERR Monitor LEDs alternately flashing

-ERROR nn in display (nn = error mumber) Display error shows MODB-ERR Monitor LEDs &

top row LEDs flash-

ing. 2 digit BCD error number on bottom rows. T2035: display flashes error number Top & bottom row LEDs flashing + C2 LED on (if fitted) Top & bottom row LEDs flashing + C3 LED on (if fitted) LED flashing shows error - all LEDs to right &

below on

+8-

Mode/State Program mode Cloning mode T2010/T2015 2010: all channel LEDs on 2015: display shows 00 AUX LED flashing. AUX/SCAN LEDs flash if clone failed. Target radio in pro-

gramming mode. Manual Test Mode

(MTM) Key pressed at power-up

(control head test)

[AUX] = clone

[CALL] = program Computer Control-

led Test Mode

(CCTM) Front panel shows normal radio state

(not a separate mode) CCI mode Normal radio mode PTT on power-up in MTM or normal mode No special power-

up sequence - nor-

mal radio state immediatly dis-

played Software version #

indicated for a short time as h.nn. h is shown with the Busy and TX LEDs as a hex number. ns are indicated by the two lower rows of LEDs

(2010), or by the channel display

(2015). T2020 T2030/T2035 T2040 Display shows

-PROG-

Top row LEDs on Display shows CLONING Top row LEDs on. Tar-

get radio in pro-

gramming mode. Any key on the control head & any mode. All LEDs & all LCD segments are set flashing indefi-

nitely Display shows

-AUTOTEST- Top row LEDs on Normal display CCI BUSY & top row LEDs on when processing a com-

mand or in lockout all mode Programmable power-up message displayed for a short time then nor-

mal radio display

(default mode) Display shows xxxx nn.mm for a short time, nn =

major, mm = minor version number Top row + C1 LEDs all on (if fitted) T2033/35: display shows -UU Display shows

-PROG-

Top row LEDs on All LEDs on for a short time then indicate radio sta-

tus. C1 to C4 show last channel (if fitted). T2035: display shows - - - briefly C1 key (if fitted) in MTM

- a front panel key/

LED test is initi-

ated - all LEDs on initially Top row + C2 LEDs

(if fitted) all on. T2035: display shows "- - -" contin-

uously T2030: own number as CD on 3 rows of LEDs, then last number on C1 to C4 & DESP LEDs. Others as labelled. T2035: Own number briefly on display, then last number called. T2030: 3 rows of LEDs display the software version #

for a short time as h.nn (h is a hex number) then as per selected mode. T2035: software version number on display. Display shows chan xxxx (xxxx

= last channel number). LEDs indicate radio sta-

tus Any key on the control head & any mode. All LEDs &

all LCD segments are set flashing indefinitely Display shows AUTOTEST Top row of LEDs on Normal display CCI BUSY & top row LEDs on when processing a com-

mand or in lockout all mode. Own number dis-

played for a short time after power-

up then program-

mable power-up message followed by normal radio display Display shows xxxx nn.mm for a short time, nn =

major mm = minor version number, then as per selected mode

+8.

+80

*&$#&## The options connectors, S13 and S14, are located on the top side of the T2000 logic PCBs, and are provided for use with plug-on accessory PCBs. The following tables describe the signals available on these connectors, and also on S15

(T2010 & T2015 logic PCB). Connection

(to/from) DET-AF-OUT

(from detector via 3kHz LPF) ALC-IN

(to compressor) RX-LINE-OUT

(de-emphasised receiver audio) TX-LINE-OUT

(from ALC) RX-LINE-IN

(to squelch element) TX-LINE-IN

(to pre-emphasis) RX-GTD-AF

(Rx Audio from after squelch) TX-SIG-IN

(to limiter) RX-BEEP

(to AF PA with min. volume stop) Pin No. S13-1 S13-2 S13-3 Used for Level for 1kHz AF 60% FM Z1W Z0W Min. ZL DC Level Slope dB/8 CTCSS data, DCS, Selcall 400mVp-p

<1k 1k 3.3V flat LF

-3dB Hz 10 HF

-3dB Hz 3.4k 0.2Vp-p 2.2k 0V

+6 0.25k 3.4k to accessory line interface 0.4Vp-p 100 10k 3.3V

-6 0.23k 3.4k or 0.35k S13-4 to accessory 1.2Vp-p

<1k 1k 3.3V flat 70 33k S13-5 S13-6 from accessory from accessory line interface S13-7 line interface 0.4Vp-p 1.2Vp-p 5k*

5k*

3.3V flat 0.18k 20k 3.3V +6V 0.25k 3k 0.4Vp-p 10k 0.2M 3.3V flat 0.23k 3.4k or 0.35k S13-8 data Selcall 2.5Vp-p S13-9 sidetone 0.5Vp-p 470k 470k 2.2k 3.3V flat 4 3.4k AC flat 0.18k 20k 3.3V flat 4 3.4k TX-LF-SIG

(to LPF) S13-10 CTCSS, DCS 5.0Vp-p for 12%

deviation OPTIONS-GND

(connected to S13-11 ground on RF PCB)

    W




W

Connection

(to/from)

+13.8V-UNSW

+13.8V

+5V

Pin No. S13-12 S14-1 S14-2 Function Available Current

- emergency: to bypass the on/

off switch

- supply to options with own regulators supply to options 0.5A 200mA (remote loom resist-

ance = 0.43W /loop meter) 150mA

+8/

Connection BUSY Pin No. S14-3 Function carrier detect opening time: <35ms closing time: <20ms

(8dB sinad, 6dB margin) Logic Levels 0V 5V Logic Sense Sink Imax Source Imax Zin 0V = busy 0.5mA 0.1mA RX-GATE S14-4 Rx audio gate information 5V CMOS 5V = audio 1.5mA 0.3mA

/PTT-TO-OPT S14-5 from mic.; linked to 18 pull-up 0V = Tx 1.5mA 50A 2k7

/PTT-FRM-OPT S14-6 Tx 5V CMOS 0V = Tx CMOS

/IN-LOCK S14-7 synthesiser lock detect

(lock-up time: <20ms) 0V 5V 0V = lock 0.2mA 0.2mA MIC-MUTE S14-8 disables AF from mic. only 5V CMOS 5V = mute

/SIG-SQLCH S14-9 Rx audio gate control open c. 0V = AF muted

/EMERGNCY S14-10 starts s/w sequence open c. 0V = emergency CALL-SW S14-11 front panel control 5V CMOS HUSH S14-12 car radio mute output 5V CMOS AUX-ON/OFF S14-13 front panel control 5V CMOS HORN RSSI S14-14 S14-15 Selcall horn alert 5V CMOS Rx signal strength 0 - 50A 0.8A/dB EXTERNAL S14-16 line to power plug 1.5mA 0.3mA 1.5mA 0.3mA 1.5mA 0.3mA 1.5mA 0.3mA channel change option on T201X*

0 - 5V CMOS 0V = 0 5V = 1 BCD0 BCD1 BCD2 BCD3 BCD4 BCD5 S15-9 S15-10 S15-11 S15-12 S15-13 S15-13

* Refer to BCD selection table.

200k 47k 10k 10k The following table shows the BCD codes for T2010 and T2015 radios under external channel control.

T2010 has 4 channels accessible by BCD and T2015 has 24 channels accessible by BCD BCD Channel Number Codes BCD-5 BCD-4 BCD-3 BCD-2 BCD-1 BCD-0 BCD Number Channel Number 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 1 1 0 0 0 1 0 1 0 1 0 1 2 3 4 5 1 2 3 4 5 6

+80 BCD Channel Number Codes BCD-5 BCD-4 BCD-3 BCD-2 BCD-1 BCD-0 BCD Number Channel Number 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 1 1 0 0 0 0 1 1 0 0 0 0 0 0 1 1 1 1 0 0 0 0 0 0 1 1 0 0 0 0 1 1 0 0 1 1 0 0 0 0 1 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23

7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24

)#-:./ Additional microprocessor control signals are available on the T2020, T203X, T2040, T2050 and T2060 HC11 logic PCB (PCB IPN 220-01344-0X), on connectors S16, S17 and S18.

+81

+81 3 3) The fault finding charts listed below are intended to be used in conjunction with the cir-

cuit diagrams and other PCB information found in Section 7, and with the circuit descriptions and block diagrams found in Section 2. Title Section 5.10.1 5.10.2 5.10.3 5.10.4 5.10.5 5.10.6 Radio Wont Switch On Radio Wont Program Synthesiser Faults Receiver Front End Faults Receiver IF Faults Receiver Mute Faults 5.10.7 No Audio On Receive 5.10.8 5.10.9 Transmitter RF Low Power Faults Transmitter Power Control Faults 5.10.10 Transmit Audio Absent 5.10.11 Trunked Radios: Radio Wont Acquire A Control Channel Page 5.21 5.22 5.23 5.24 5.25 5.26 5.27 5.28 5.30 5.31 5.32

+8

+818

BD7#*

+8

+818

BD

+8

+818

3


'/0( 


+8"

+818"

#33

+8+

+818+

#$33

+8-

+818-

#3

+8.

+818. A!*#

+8/

+818/

3,773

+80

 

"0



'0

 "
0

'0

 '0

+8 1

+8180

7) 3

+8

+8181

+8

+818

9BD!#(!) )

-8

4!5 This Section details procedures for tuning and adjustment of T2000 series II radios. This is normally only required during product manufacture or after major servicing. The following topics are covered in this Section:

Section Title 6.1 6.2 6.3 6.4 Tuning Precautions Tuning & Adjustment Points Trunked Radios Transmitter Adjustments 6.4.1 6.4.2 6.4.3 6.4.4 6.4.7 6.4.5 6.4.7 6.4.8 6.4.8.1 6.4.8.2 Power Output TCXO Alignment Dual Point Modulation Adjustment CTCSS Modulation Adjustment Modulation Adjustment LTR Code Deviation Adjustment Selcall Tone Deviation FFSK Adjustment (Trunked Models Only) T203X Radios T2040 Radios 6.5 Receiver Adjustments 6.5.1 6.5.2 6.5.3 6.5.3.1 RF Alignment Internal Mute Control RSSI L Level Set-Up (Trunked Radios Only) Page 6.2 6.3 6.5 6.5 6.5 6.6 6.6 6.7 6.7 6.7 6.7 6.8 6.8 6.8 6.9 6.9 6.10 6.10 6.10

-8

-8

# Refer to Section 4.1 for a list of test equipment required and a suggested test set-up. The following precautions must be observed when carrying out the alignment procedures in this Section. The microprocessor shield must remain in place throughout the alignment proce-

dure, with its 3 retaining screws torqued down to 8in.lbf (0.9Nm). To gain access to the alignment test points and adjustment controls, it is only neces-

sary to remove the top cover and logic PCB mounting screws (refer to Section 3.2.1). For accurate tuning, the test cable connecting the signal generator or power meter to the T2000 must be as short as practical and fitted with a mating BNC connector. Do not use adaptors, sniffer couplings, etc., which introduce changes to cable impedance and errors in test results. Non-metallic tuning tools must be used for the alignment of all coil slugs. The use of metallic tools will result in tuning errors. Tuning tools need to be of correct size to avoid the damage to coil slugs. The RF PA and audio output IC have a direct unswitched supply, and are therefore not controlled by the control head on/off switch. This switch removes power only from the regulated supplies.

) Under certain circumstances the microprocessor can key the transmitter. Ensure that all instruments are protected from accidental PTT at all times.

-8

-8

4!5 The following table lists tuning and adjustment points, and Figure 6.1 shows their posi-

tion on the RF and TCXO/Tx audio PCBs. The PCB layouts in Section 7 have all relevant logic PCB test and adjustment points marked. Tuning/Adjustment Point:

Designator RV153 RV222 RV324 CV212 L104 to L106 L114 & L116 L119 L203 RV906 RV907 RV923 RV507

#RV508

#RV599 Test Points:

Designator TSP901 TP601 TP602 TP603 TP604 TP605 TP606 TP607 Location RF PCB TCXO/Tx audio PCB logic PCB Location TCXO/Tx audio PCB logic PCB Function internal squelch control dual point modulation control high power control x4 multiplier

(only used in T2000-800) front end tuning

(not used in T2000-800) IF tuning quad coil x3 /x4 multiplier

(not used in T2000-200) CTCSS deviation control deviation control frequency control low power control T2010, T2015 & T2020:

signalling adjust (not fitted as standard) T203X, T2040, T2050 & T2060:

FFSK adjust Function dual point modulation test point Rx audio (detected) Tx CTCSS Rx CTCSS Rx audio Tx audio ALC audio pre-amp output

-8"

-8+

-8

9 The test facility enables T2000 trunked radios to emulate a multichannel radio, using the frequencies reserved for trunking. For a description of how to put the radio in test mode, refer to Section 5.8 Trunked Radios: Test Mode. Once the radio is in test mode, tuning and adjustment can be car-

ried out as described in Section 6.4 and Section 6.5.

) When in test mode, connect the antenna socket to a dummy load to pre-

vent interference with trunking systems. Avoid testing on channels in use locally.

-8"

!5 In this Section, deviation settings are given first for wide band, followed by settings for medium band in brackets ( ) and settings for narrow band in square brackets [ ].

-8"8

7*& Set up the test equipment as shown in Section 4, and close the PTT switch. Turn RV324 fully clockwise and check that the output power is greater than 30W for all channels. Select a channel programmed for high power and adjust RV324 for 25W. Check that the transmit current is approximately the values stated below:

Model T2000-100 T2000-200 T2000-300 T2000-400 T2000-500 T2000-600 T2000-700/900 T2000-800 Current 6A 6A 6A 6A 6.5A 7A 6.5A 6A Select a channel programmed for low power and adjust RV507 for the required output power.

-8-

-8"8

Close the PTT switch and monitor the transmit frequency with a frequency coun-

ter. Adjust RV923 on the TCXO/Tx audio PCB for a channel frequency within 100Hz at ambient temperature.

-8"8

!5 DC isolate the audio generator from TSP901 using a capacitor (10F is sufficient). Set the audio generator to 7kHz and inject the audio into the dual point modula-

tion input TSP901 on the TCXO/Tx audio PCB. Close the PTT switch and select the lowest frequency channel. Adjust the audio generator level to give a reading of 5.2kHz deviation on the modulation meter. Remove any filters selected on the deviation or modulation meter which could give erroneous readings. Select the highest frequency channel and check that the deviation is 4.8kHz. If not, adjust the audio generator output level so that the average deviation of the two channels is 5kHz. The difference in deviation between the two channels must be less than 800Hz. Select the lowest frequency channel, set the audio generator to 70Hz and inject the audio at TSP901. Adjust RV222 to give 4.8kHz deviation on the modulation meter. Select the highest frequency channel and check that the deviation is 5.2kHz. If not, adjust RV222 so that the average deviation of the two channels is 5kHz. The difference in deviation between the two channels must be less than 400Hz.

-8.

-8"8"

)) !5 The following instructions apply only to those radios with CTCSS activated and must be carried out before any further modulation adjustment can proceed. Refer to the T2000 Programming Manual for the CTCSS channel programming instructions. The frequency range of the CTCSS tone is 67 to 250.3Hz. Switch to any channel with CTCSS activated. Close the PTT switch. Adjust RV906, on the TCXO PCB, to set the CTCSS tone peak deviation for 660Hz 100Hz (530Hz 80Hz) [330Hz 50Hz] on the modulation meter.

-8"8+

,)!5 Close the PTT switch and set up a continuous call. This can be an LTR Repeater Talkaround call, a Repeater Interconnect Call (RIC) or an on-channel call. Adjust RV906 on the TCXO PCB to set the LTR code deviation to 1kHz (900Hz)

[600Hz]. A The deviation meter must have a good low frequency response to avoid incor-

rect readings.

-8"8-

!5 Complete the dual point modulation and CTCSS modulation adjustments (Sec-

tion 6.4.3 and Section 6.4.4) before commencing the modulation adjustment. Apply a 3kHz sine wave at a level of -40dBm to the microphone input. Select a channel with CTCSS activated and close the PTT switch. If CTCSS is disa-

bled, select any channel. Adjust RV907 for a +5kHz (+4kHz) [+2.5kHz] deviation reading on the modula-

tion meter. Maintain the same sine wave output level and sweep the audio frequency from 300Hz to 3.3kHz. Find the frequency of maximum + deviation and readjust RV907 for +5kHz

(+4kHz) [+2.5kHz] deviation. Reset the modulation meter to read - deviation. Slowly sweep the audio frequency from 300Hz to 3kHz. If the - deviation peak is found to exceed -5kHz (-4kHz) [-2.5kHz], readjust RV907 for a peak deviation of

-5kHz (-4kHz) [-2.5kHz] at that frequency. The peak deviation should not exceed 5kHz (4kHz) [2.5kHz] on any channel.

-8/

-8"8.

# This is normally preset at 60% of voice deviation. If adjustment is needed, fit

#RV508 (refer to Section 7 for a component description) to the logic PCB, and pro-

ceed as follows. 2 Adjust #RV508 for 3kHz (2.4kHz) [1.5kHz] deviation reading on the modula-

tion meter. Check to ensure that no limiting occurs in IC901.

-8"8/

33E!5>9 * ?

-8"8/8

1 ; Enter test mode (refer to Section 5.8, Trunked Radios: Test Mode). Press the front panel # key

. Adjust #RV599 for 3kHz 200Hz (2.4kHz 160Hz) [1.5kHz 100Hz] deviation reading on the modulation meter.

-8"8/8

1"1 Enter test mode (refer to Section 5.8, Trunked Radios: Test Mode). Select test function 10 using the control head. Adjust #RV599 for 3kHz 200Hz (2.4kHz 160Hz) [1.5kHz 100Hz] deviation reading on the modulation meter.

-80

-8+

#!5 In this Section, deviation settings are given first for wide band, followed by settings for medium band in brackets ( ) and settings for narrow band in square brackets [ ].

-8+8

3! Set up the test equipment as shown in Section 4, and select the highest possible frequency in the operating band. Set the signal generator to the required receive frequency with modulation set for 3kHz (2.4kHz) [1.5kHz] deviation at 1kHz AF and an output level of

-100dBm. Using the receiver tuning amplifier circuit shown in Figure 6.2, adjust RV1 until the voltage of point A equals 3.0V DC, measured on a 1MW digital multimeter. Connect the receiver tuning amplifier to the RSSI output on pin 15 of S14 (logic PCB) and monitor the output on an oscilloscope (1V/division, DC coupled). If the output on the oscilloscope is 0V DC, increase the RF input level above

-100dBm until the output level just starts to rise. Adjust L104, L106, L105, L114, L116 and L203, in this order, to give maximum amplitude. A L203 is not used in the T2000-200. While tuning the coils, adjust the signal generator output so that the level on the oscilloscope does not exceed 6V DC. Monitor the audio output at the speaker terminals and adjust L119 for maximum amplitude. Set the squelch control (RV153) to minimum and connect a sinad meter across the speaker terminals. Decrease the signal generator output until a 12dB sinad is reached. The signal generator output should not be greater than -117dBm. Switch to the lowest possible frequency in the operating band, and check that the receiver sensitivity is better than -117dBm. input from RSSI R1 12k RV1 100k

(26 turn)

C1 1F

C2 1F

+9V DC IC1 LM358 1 3 2

output to oscilloscope 1V/div.

(DC coupled) R3 10k A = 3V DC R2 390k

-81

-8+8

$ ) If required, the mute setting can be adjusted internally as follows. Align the receiver, as described in Section 6.5.1. Adjust RV153 fully clockwise. Set the signal generator to the required receive frequency. Set the modulation for 3kHz (2.4kHz) [1.5kHz] deviation at 1kHz AF. Adjust the signal generator output for 11dB sinad. Adjust RV153 so that the radio mutes then turn RV153 until the mute gate just opens.

-8+8

$ The T2000 RSSI is non-adjustable and should operate over an approximate 50dB range. Monitor the RSSI output on pin 15 of S14 on the logic PCB. Set the signal generator to the required receive frequency with modulation set for 3kHz (2.4kHz) [1.5kHz] deviation at 1kHz AF and an output level of -70dBm. Decrease the signal generator output in 10dB steps to -120dBm, noting the RSSI output at each step. The RSSI should have a typical slope of approximately 540mV/10dB, from

-120dBm to -70dBm RF input.

-8+8 8 F,D, %&>9* ? These levels are factory set at the time of manufacture and will require reprogram-

ming only if the receiver has been realigned or has had parts replaced, or if the logic PCB has been replaced. Set the signal generator to give an unmodulated RF signal in the centre of the trunking band. Enter test mode. A The T203X will need to use CCTM, as described in Section 5.8.3. Set the signal generator to -108dBm and program L1 (function 61), as described in Section 5.8.5.2. Set the signal generator to -100dBm and program L2 (function 62), as described in Section 5.8.5.2.

 

 

A B C D E F G H J K

L

+5V M N P Q R D5 RED D6 RED D7 RED D8 RED 9 8 7 6 5 4 3 2 1 0 NOTE: COLOURS SHOWN ARE FOR 4 LED DISPLAY.

#LED9 RED

#LED10 YEL

#LED11 GREEN

#LED12 RED 4 LED 2 LED CONFIG LINK R574 560 R575 560 R576 560 R577 560 R588 2K2 R589 4K7 15 1 2 3 4 5 6 7 9

+13V8 R594 10 YEL DIFF D520 BACKLIGHTING YEL DIFF D521 YEL DIFF D522

#TYPE 4LED 2LED

#LED9 SLC-22VR SLC-22YY

#LED10 SLC-22YY SLC-22VR

#LED11 SLC-22MG

#LED12 SLC-22VR

Q550 BC848 R591 150 R590 2K2

+5V

+5V SQH RESET CLK P/S D8 1 P8 2 P8 3 P8 4 P8 5 P8 6 P8 DGND 7 P8 74HC04 IC515 1 74HC04 IC515 9 74HC04 IC515 13 74HC04 IC515 11 2 8 12 10 R548 560 R549 560 R550 560 R551 560 R552 560 R553 560 R554 560 R555 560 R556 7 47K 5 5 R 8 5 5 R 47K 9 5 5 R 47K 0 6 5 R 47K 1 6 5 R 47K 2 6 5 R 47K 47K R563 47K

+5V C570 100N 16 74HC595 VCC Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7 IC514 SHIFT REG

+5V 14 V+

IC515 74HC04 7 V-

14 DI 14 DI 11 12 CK LE 11 12 CK LE

+5V C510 100N 74HC595 IC508 SHIFT REG 16 VCC Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7 15 1 2 3 4 5 6 7 9 SQH RST 10 OE GND 8 13 R567 1K0

+5V 16 VCC 4021 IC507 SHIFT REG 2 Q6 12 Q7 3 Q8 GND 8 P/S C 9 7 6 5 4 13 14 15 1 11 D0 D1 D2 D3 D4 D5 D6 D7 DS CK 10 SQH OE 13 GND 8 RST 10 R573 1K0 IC515 74HC04 5 6

+13V8 3 74HC04 IC515 4 D1 RED D2 RED D3 RED D4 RED SWPAD SWPAD SWPAD SWPAD B5 B6 B7 B8 SWPAD SWPAD SWPAD SWPAD B1 B2 B3 B4

+13V8-UNSW

+13V8 TX-DATA RX-DATA PTT-IN GND AF MIC-I/P VOL 8 P8 9 P8 10 P8 11 P8 12 P8 13 P8 14 P8 15 P8 16 P8 TBADMARK BADMARK BBADMARK BADMARK P8 16 WAY PADDLE CONNECTOR P11 2X5 WAY RIGHT ANGLE HEADER Q506 BC848 R545 47K R544 47K 3 2 BAV99 D502 C512 1N0 C513 1N0 R564 470 R566 470 R565 470 C516 4N7 C511 15N C531 150P 3 P11 2 P11 1 P11 4 P11 5 P11 6 P11 7 P11 8 P11 9 P11 10 P11 TXD PTT MIC GND RXD AF GND VOL

+13V8-UNSW

+13V8-UNSW

+13V8

+13V8 3 S11 2 S11 1 S11 4 S11 5 S11 6 S11 7 S11 8 S11 9 S11 10 S11 PT501 4 5 10K LOG SPST SWITCH C514 10N C518 22N C515 1N0 C517 10N 1 S10 2 S10 3 S10 4 S10 5 S10 6 S10

+13.8V TXD PTT MIC GND RXD R587 10 1 CW PT501 2 3 10K LOG SPST SWITCH R517 0 9 8 7 6 5 4 3 2 1 0 1A 1A REV/ISS UPDATE TEXT ADDED(3) 1N0 CAPS BY S10 FOR EMC AMENDMENTS RPS YH DRAWN CHKD D.O. APVD 05/11/96 18/11/95 DATE S11 2X5 WAY PLUG S10 6 WAY RIGHT ANGLE PHONE JACK

TAIT ELECTRONICS T2000 DISPLAY PCB 2010/2030 IPN:

220-01319-01 ISSUE:

A PROJECT:

T2000 DESIGNER:

YH FILE NAME:

2D1001A ID:. 2.SC. 1 FILE DATE:

05/11/96 NO.SHEETS:

1

A B C D E F G H J

L M N P Q R TENS HDSP-7503 K 5 3 2 4 1 7 6 D0 D1 D2 D3 LD BI PH

+5V

+5V C542 100N 16

+V IC510 4543 GND 8 X7 680 R596A R596B 680 R596C 680 R596D 680 R596E 680 R596F 680 R596G 680 9 10 11 12 13 15 14 A B C D E F G C543 100N 9 10 11 12 13 15 14 A B C D E F G 5 3 2 4 1 7 6 D0 D1 D2 D3 LD BI PH 16

+V IC512 4543 GND 8 X7 680 R597A R597B 680 R597C R597D 680 R597E 680 R597F 680 R597G 680 680 B C 10 9 8 5 4 2 3 7 A B C D E F G DP F E 1 A G D 6 UNITS HDSP-7503 B C 10 9 8 5 4 2 3 7 A B C D E F G DP F E 1 A G D 6 Q508 BC857 Q509 BC848 R598 2K2 R599 4K7 R552 560 R553 560 R554 560 R555 560 DMON RED DSCAN RED DCALL RED DAUX RED IC515 2 IC515 12

+13V8 R594 10 D520 YEL DIFF D521 YEL DIFF D522 YEL DIFF Q550 BC848 TX RED BUSY YEL R576 560 R577 560 R591 150 R590 2K2 R588 2K2 R589 4K7

+5V 15 1 2 3 4 5 6 7 9

+5V C570 100N 16 74HC595 VCC Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7 IC514 SHIFT REG 14 DI 14 DI 11 12 CK LE 11 12 CK LE

+5V C510 100N 74HC595 IC508 SHIFT REG 16 VCC Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7 15 1 2 3 4 5 6 7 9 SQH SQH OE 13 GND 8 RST 10 R573 1K0 RST 10 OE GND 8 13 R567 1K0 74HC04 1 74HC04 13

+5V SQH RESET CLK P/S D8 DGND

+13V8-UNSW

+13V8 TXD RXD PTT-IN GND AF MIC-I/P VOL 1 P8A 2 P8A 3 P8A 4 P8A 5 P8A 6 P8A 7 P8A 8 P8A 1 S8B 2 S8B 3 S8B 4 S8B 5 S8B 6 S8B 7 S8B 8 S8B S8B 8 WAY TOP ENTRY SKT S10 6 WAY RIGHT ANGLE PHONE JACK P8A 8 WAY PADDLE CONNECTOR S11 2X5 WAY PLUG P11 2X5 WAY RIGHT ANGLE HEADER

+5V 16 VCC 2 Q6 12 Q7 3 Q8 4021 IC507 SHIFT REG IC515 74HC04 3 4 GND 8 P/S C 9

+13V8 47K 6 5 5 R 7 5 5 R 8 5 5 R 9 5 5 R 0 6 5 R 1 6 5 R 2 6 5 R C580 100N 3 6 5 R 47K 47K 47K 47K 47K 47K 47K 7 6 5 4 13 14 15 1 11 7X D0 D1 D2 D3 D4 D5 D6 D7 DS CK 10 C531 150P DISPLAY BOARD POT BOARD Q506 BC848 R544 47K 3 2 R545 47K BAV99 D502 74HC04 IC515 5 6 R564 470 R565 470 C513 1N0 C512 1N0 C511 15N R566 470 C516 4N7 3 P11 2 P11 1 P11 4 P11 5 P11 6 P11 7 P11 8 P11 9 P11 10 P11 TXD PTT MIC GND RXD AF GND VOL

+13V8-UNSW

+13.8V 3 S11 2 S11 1 S11 4 S11 5 S11 6 S11 7 S11 8 S11 9 S11 10 S11 LINK500 R500 1K0 B-M2 SWPAD B-M1 SWPAD B-UP SWPAD B-DN SWPAD MON SWPAD SCAN SWPAD CALL SWPAD AUX SWPAD 1 S10 2 S10 3 S10 4 S10 5 S10 6 S10

+13.8V TXD PTT MIC GND RXD C520 3N3 C519 10N C517 22N C518 1N0 MIC SKT R587 10 4 10K LOG SPST SWITCH 1 CW PT501 2 3 R517 0 5 PT501 10K LOG SPST SWITCH 9 8 7 6 5 4 3 2 1 0 2A P2 P1 1A REV/ISS UPDATED FOR EMC MODIFICATIONS BP/PW BP/PW BP/PW YH PW PW PW 19/2/96 AMENDMENTS DRAWN CHKD D.O. APVD DATE

9 8 7 6 5 4 3 2 1 0

+5V 14 V+

IC515 74HC04 7 V-

TBADMARK BADMARK BBADMARK BADMARK TAIT ELECTRONICS T2015/T2060 CONTROL HEAD PCB ID:. 2.SC. 1 FILE DATE:

18-10-96 FILE NAME:

2D150L1A ISSUE:

A YH DESIGNER:

IPN:

220-01320-01 PROJECT:

T2000 NO.SHEETS:

1

A B C D E F B1 SWPAD B2 SWPAD B3 SWPAD B4 SWPAD B5 SWPAD B6 SWPAD F1 SWPAD F2 SWPAD F3 SWPAD F4 SWPAD B7 SWPAD B8 SWPAD B9 SWPAD F5 SWPAD F6 SWPAD F7 SWPAD F8 SWPAD B*

SWPAD B0 SWPAD B#

SWPAD

+5V G

+5V MC34064D 1 RES 2 IN IC706 LVI GND 4 C703 100N 44 VCC 4 VPP H

+5V R768 47K C717 15N J

+13V0 R720 10 R743 10 C704 100N 8 4 VIN N/C IC705 78L05 1 5 VOUT N/C

+5V C705 100N GROUND 2 3 6 7 C706 47U C720 47U K L M N 74HC04 IC703 5 74HC04 IC703 3 6 4 R777 10K R776 10K

+5V R778 560 DF7 RED R779 560 DF3 RED

+5V C716 100N 9 8 7 6 5 4 3 2 1 0 R705 47K R706 47K R707 47K R708 47K R709 47K 3 18 23 40 NC NC NC NC 39 38 37 36 35 34 33 32 24 25 26 27 28 29 30 31 PD7 TCMP SS/PD5 SCK/PD4 MOSI/PD3 MISO/PD2 TDO/PD1 RDI/PD0 IC701 68HC05C4FN PC7 PC6 PC5 PC4 PC3 PC2 PC1 PC0 1 RESET IRQ TCAP PA7 PA6 PA5 PA4 PA3 PA2 PA1 PA0 PB7 PB6 PB5 PB4 PB3 PB2 PB1 PB0 2 41 5 6 7 8 9 10 11 12 21 20 19 17 16 15 14 13 R717 2K7 R718 47K R711 470 C713 4N7 C711 15N HOOK DETECT

+5V 14 V+

IC703 74HC04 14 V+

IC704 74HC04 7 V-

7 V-

R710 470 C712 1N0 Q702 BC857 R719 10K R716 4K7 IC703 74HC04 8 9 C730 4N7 GND 22 OSC2 42 OSC1 43 R767 10M X701 4M C702 22P C701 22P

+5V R730 47K 9 10 IC703 74HC04 74HC04 IC704 8 11

+5V 1 3 BAV99 D703 BAV99 D703 3 2 R715 4K7 R712 R713 470 C710 47K BAV99 1 1N0 D701 3 R714 47K Q701 BC848

+13V0 Q103 BCW72 R106 2K2 4U7 C102 C103 1N0

+5V R762 10K R763 10K P701 P702 P703 6 74HC04 IC704 5 R766 10K I/OPAD I/OPAD I/OPAD R764 3K3 R765 10K

+13V0 Q704 BC857

+5V R739 2K2

*R732 1K0 R734 2K2 R733 2K2

*C720 4U7

*C721 22N C709 0805 R735 1K8 R736 6K8 R738 2K7 R737 10K 4N7 C708 C722 100N Q705 BC848 R740 12K Q706 BC848 R731 47K Q703 BC848 C707 10N R741 33K R750 4K7 R701 2K7 R702 2K7 R703 2K7 R704 2K7 BACKLIGHTING

+13V0 Q711 BC869 Q710 BC848

+5V

+5V R793 33 R790 470 D713 4V7 D714 4V7 BULB-705 LAMP 5V BULB-704 LAMP 5V R791 390 D R A O B T O P D R A O B Y A L P S D I TXD PTT MIC GND RXD AF VOL

+13.0V-UNSW

+13V8-SW

+13V0 3 P11 2 P11 1 P11 4 P11 5 P11 6 P11 8 P11 7 P11 9 P11 10 P11 3 S11 2 S11 1 S11 4 S11 5 S11 6 S11 8 S11 7 S11 9 S11 10 S11 R746 10K R110 0805

+13.0V-UNSW

+13V0 R792 33 BULB-701 LAMP 5V BULB-702 LAMP 5V BULB-703 LAMP 5V C731 10N R595 10 D710 3V3 D711 3V3 D712 3V3 MIC SOCKET

+13.8V TXD PTT MIC GND RXD 1 S10 2 S10 3 S10 4 S10 5 S10 6 S10 PT501 10K LOG SPST SWITCH C732 10N C734 22N C733 1N0 1 CW 2 3 R517 0 PT501 10K LOG SPST SWITCH DECOUPLING C911 0805 4 5 C912 0805

P

+5V R797 10K

-T R796 1K2 R795 470 1 2 3 4 6 7 8 9 10 13 15 14 16 17 18 19 20 21 22 23 24 25 26 27 28 5 VDD 12 VLCD SDA SCL SYNC CLK OSC A0 A1 A2 SA0 BP0 BP1 BP2 BP3 S0 S1 S2 S3 S4 S5 S6 S7 S8 S9 S10 S11 IC702 8576T VSS 11 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 S39 S38 S37 S36 S35 S34 S33 S32 S31 S30 S29 S28 S27 S26 S25 S24 S23 S22 S21 S20 S19 S18 S17 S16 S15 S14 S13 S12 BP0 BP1 BP2 S0 S1 S2 S3 S4 S5 S6 S7 S8 S9 S10 S11 Q R BBADMARK BADMARK TBADMARK BADMARK S39 S38 S37 S36 S35 S34 S33 S32 S31 S30 S29 S28 S27 S26 S25 S24 S23 S22 S21 S20 S19 S18 S17 S16 S15 S14 S13 S12 BP0 BP1 BP2 42 43 1 COM1 COM2 COM3 S4 S3 S2 S1 S0 S9 S8 S7 S6 S5 S14 S13 S12 S11 S10 S19 S18 S17 S16 S15 37 38 39 40 41 32 33 34 35 36 27 28 29 30 31 22 23 24 25 26 1BHC 1KNBUSY 1JMA 1ILD 1FGE LCD T2000LCD 2BHC 2KNTX 2JMA 2ILD 2FGE 3BHC 3KNSCAN 3JMA 3ILD 3FGE 4BHC 4KNWAIT 4JMA 4ILD 4FGE 17 18 19 20 21 12 13 14 15 16 7 8 9 10 11 5BHC 5KNGO 5JMA 5ILD 5FGE 6BHC 6KNP1 6JMA 6ILD 6FGE 7BHC 7KNX1 7JMA 7ILD 7FGE 8BHC 8KNSVC 8JMA 8ILD 8FGE 2 3 4 5 6 S24 S23 S22 S21 S20 S29 S28 S27 S26 S25 S34 S33 S32 S31 S30 S39 S38 S37 S36 S35 9 8 7 6 5 R780 12 560 DF8 RED R769 180K 74HC04 IC703 13 R775 10K 74HC04 IC703 1 74HC04 IC704 R774 10K 11 R773 10K 74HC04 IC704 13 R772 10K 74HC04 IC704 3 4 2 74HC04 IC704 1 R771 10K R770 10K R781 560 2 R782 10 560 R783 12 560 R784 560 R785 560 DF4 RED DF5 RED DF1 RED DF6 RED DF2 RED

+5V R760 4K7 R761 4K7

+5V C721 1N0 C700 1N0 R752 470 1 S20 2 S20 3 S20 4 S20 5 S20 6 S20 1 S9A 2 S9A 3 S9A 4 S9A 5 S9A 6 S9A 7 S9A 8 S9A DGND SERIAL-DATA 4 SERIAL-CLK DTMF-OUT MIC-COMPRESS

+5V

+13.0V-UNSW DGND TXDATA RXDATA GND AF MIC-O/P VOL D R A O B L O R T N O C O T 3 2 1 0 R751 470

+13.0V-UNSW C714 10U C726 1N0 C715 10U C725 1N0 Q715 BC857 R729 330 R753 330 Q713 BC857 R723 330 R724 330 R747 330K R742 560K

+5V R728 10 R727 120K Q714 BC848 C727 100N R726 68K C729 10N

+5V R725 10 R721 33K C723 100N Q712 BC848 C728 10N R722 18K C913 0805 C914 0805 C915 0805 C531 150P

*MIC DYNAMIC ELECTRET

*C720 4U7FR

*C721

*R732

22NT

1K0S 4A 4A 3A 2A 0A REV/ISS UPDATE TEXT RPS YH SAME AS 3A,MOVED CHIPS AROUND THE CLIP UPDATED FOR EMC MODS,AND CHANGED S9A TO LEADED MICRO-M. YH ADDED EMI CAPACITORS,CHANGE S9A TO SMD YH MNC DEPANELLED AND ADDED ECON CCT. DRAWN AMENDMENTS KB CHKD 05/11/96 28/2/96 16/12/95 19/9/95 D.O. APVD DATE P11 2X5 WAY RIGHT ANGLE HEADER S10 6 WAY RIGHT ANGLE PHONE JACK S9A 8 WAY TOP ENTRY SKT S11 2X5 WAY PLUG S20 T2000 DTMF PCB TAIT ELECTRONICS T2000 LCD DISPLAY IPN:

220-01321-04 ISSUE:

A PROJECT:

T2000 DESIGNER:

YH FILE NAME:

2D200L4A ID:. 2.SC. 1 FILE DATE:

05/11/96 NO.SHEETS:

1

9 8 7 6 5 4 3 2 1 0 A B C D E F G H J K L M N P Q R

GO GREEN WAIT YEL TX RED SVC RED R639 560 R638 560 R637 560 R636 560 13.8 R594 10 D520 YEL DIFF D521 YEL DIFF D522 YEL DIFF Q550 BC848 R591 150 R590 2K2 I/OPAD PAD3 R588 2K2 R589 4K7 15 1 2 3 4 5 6 7 9

+5V 1 P8A

+5V

+5V

+5V 12 11 D CP 10 S D IC517 FF 74HC74 R D 13 9 8 Q Q

+5V 16 74HC595 VCC Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7 SQH OE IC514 SHIFT REG GND 8 13 R573 1K0 C570 100N 14 DI 11 12 CK LE RST 10 C571 100N 2 3 D CP 4 S D IC517 FF 74HC74 R D 1 R643 47K

+5V 20 VDD IC508 14499 5 6 15 14 DATA OSC CL EN VSS 9 C510 10N 5 6 Q Q

+5V C542 100N 4 3 2 1 19 18 17 16 13 12 8 7 A B C D E F G H 1 2 3 4 HUNDREDS HDSP-7503 B C 10 9 8 5 4 2 3 7 A B C D E F G DP F E A G D 1 6 Q516 BC848 R574 270 R553 270 R567 270 R552 270 R555 270 R597 270 R575 270 R554 270 74HC04 1 9

+5V 74HC04 IC515 2 IC515 8 I/OPAD I/OPAD PAD1 PAD2 TENS HDSP-7503 10 9 8 5 4 2 3 7 A B C D E F G DP F E A G D 1 6 B C Q515 BC848 DSP RED CLEAR RED R635 10K K 7 4 6 5 5 R 7 5 5 R 7X 8 5 5 R 47K 9 5 5 R 47K 0 6 5 R 47K 1 6 5 R 47K 2 6 5 R 47K 3 6 5 R 47K K 7 4 UNITS HDSP-7503 10 9 8 5 4 2 3 7 A B C D E F G DP F E A G D 1 6 B C Q514 BC848 I N O T C N U F D E R K B

L L A C D E R Q513 BC848 D523 BAV99 D523 BAV99 D524 BAV99 2 3 3 1 2 3 Q512 BC848 CALL SWPAD X1 SWPAD X10 SWPAD X100 SWPAD CLR SWPAD DESP SWPAD FUNC SWPAD QUE SWPAD C580 100N 4021 16 VCC IC507 SHIFT REG 2 Q6 12 Q7 3 Q8 GND 8 P/S C 9 74HC04 IC515 5 6 74HC04 IC515 3 4 7 6 5 4 13 14 15 1 11 D0 D1 D2 D3 D4 D5 D6 D7 DS CK 10 R564 470 R565 470 C513 1N0 C512 1N0 C511 15N R566 470 C516 4N7

13.8 V C531 150P PAD4 I/OPAD DISPLAY BOARD POT BOARD 3 P11 2 P11 1 P11 4 P11 5 P11 6 P11 7 P11 8 P11 9 P11 10 P11 TXD PTT MIC GND RXD AF GND VOL

+13.8V-UNSW

+13.8V 3 S11 2 S11 1 S11 4 S11 5 S11 6 S11 7 S11 8 S11 9 S11 10 S11 1 S10 2 S10 3 S10 4 S10 5 S10 6 S10

+13.8V TXD PTT MIC GND RXD MIC SKT C517 3N3 C518 10N C520 22N C519 1N0 R587 10 4 10K LOG SPST SWITCH 1 CW PT501 2 3 R517 0 9 8 7 6 5 4 3 2 1 0 S11 2X5 WAY PLUG P11 2X5 WAY RIGHT ANGLE HEADER P8A 8 WAY PADDLE CONNECTOR S8B 8 WAY TOP ENTRY SKT S10 6 WAY RIGHT ANGLE PHONE JACK 5 PT501 10K LOG SPST SWITCH TAIT ELECTRONICS T2035 CONTROL HEAD PCB IPN:

220-01322-03 ISSUE:

A PROJECT:

T2000 DESIGNER:

YH FILE NAME:

2D35L3A ID:. 2.SC. 1 FILE DATE:

18-10-96 NO.SHEETS:

1

14 V+

IC515 74HC04 7 V-

+5V 14 V+

IC517 74HC74 7 V-

TBADMARK BADMARK BBADMARK BADMARK

+ V 13.8 Q506 BC848 R544 47K 3 2 R545 47K BAV99 D502 2 P8A 3 P8A 4 P8A 5 P8A 6 P8A 7 P8A 8 P8A 1 S8B 2 S8B 3 S8B 4 S8B 5 S8B 6 S8B 7 S8B 8 S8B SQH RESET CLK P/S D8 DGND

+13V8

+13.8V TXD RXD PTT-IN GND AF MIC-I/P VOL 01/03/91 28/8/90 1/3/96 23/01/96 5/10/95 27/5/94 26/2/94 23/11/93 DATE BP BP BP YH YH YH B,P.(J,F) B,P.(J,F) B,P.(J,F) DRAWN S,H. S,H. S,H. CHKD D.O. APVD PRE-PRODUCTION UPDATE UPDATE FROM PROTO-1 ORIGINAL MOVED C520 AWAY FROM S11 ADDED 4 CAPS BY PIN(1,3,4) S10 FOR EMC MODS DEPANELLED THE DISPLAY BOARD ADDED FETCHED IN CORRECTED 40218D VERSION ONLY ORIGINAL BY BRENT.P IC512-GATES. IC517 &

(MODIFIED DISPLAY BY JF) AMENDMENTS 2A T99 PROTO-1 3A 2A 1A 0A P2 PROTO-1 REV/ISS

 

 

 

 

 

 

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This Section provides information on T2000 Series II accessories. The following accessories are covered in this Section:

Section Title PCB IPN Page 8.1 8.2 8.3 8.4 8.5 8.6 8.7 8.8 8.9 8.10 8.11 8.12 8.13 8.14 8.15 8.16 T2008 Power Supply 220-01170-03 Connection To External Devices T2000-500 & T2000-600 1-7W Versions T2000-05 Remote Speaker Kit T2000-A06 Desktop Microphone Kit T2000-A07 DTMF Microphone Kit T2000-34 Selcall Kit T2000-A36 Selcall Kit T2000-40 DTMF Kit T2000-A450X CTCSS & Scrambler Kits T2000-A50 Handsfree Kit T2000-A60 Dual Port UART Kit T2000-A66 Single Port UART Kit T2000-A80 Line Interface Kit T2000-A70 Data Modem Kit T2000-A03/-A04/-A16 Remote Loom Kits 220-01313-02 220-01335-04 225-01210-03 220-01251-01 220-01348-04 220-01272-02 220-01378-01 8.1.1 8.2.1 8.3.1 8.4.1 8.5.1 8.6.1 8.7.1 8.8.1 8.9.1 8.10.1 8.11.1 8.12.1 8.13.1 8.14.1 8.15.1 8.16.1

The following topics are covered in this Section:

Title Section 8.1.1 8.1.2 8.1.3 8.1.4 8.1.5 8.1.6 8.1.7 8.1.8 8.1.9 8.1.10 Operation Performance Specifications Precautions Circuit Operation Installation Introduction To Servicing Setting Up The Power Supply Fault Finding Repair PCB Information Page 8.1.2 8.1.3 8.1.5 8.1.6 8.1.8 8.1.10 8.1.12 8.1.14 8.1.15 8.1.17

The T2008 Power Supply is a mains operated power supply designed to provide the DC supply requirements of the T2000 Series II radios. It uses switch mode technology to control the regulation of the output voltage, which results in a power supply with a higher temperature rating, improved efficiency and greater reliability. The power supply can either be operated with the radio sitting on top as a desk top unit, or with the radio and power supply detached as two separate units (refer to Section 8.1.5, Installation). The T2008 has protection circuits for overcurrent, overtemperature and overvoltage pro-

tection circuitry. Current limiting is included to restrict the peak current to about 9.5A. In addition, a self-restoring thermal shutdown keeps the temperature of the switching transistor within the safe operation area ratings. The point of thermal shutdown is also dependant on the load current, to allow for a higher duty cycle rating at lower output currents. The output voltage and thermal shutdown points are factory preset. The power supply also has a limited capability to float charge a lead acid battery under constant voltage conditions (refer to Section 8.1.5, Installation).

T2000-21, -23, -24:

Voltage Frequency T2000-22:

Voltage Frequency

.. 230V 10% (limits: 207-253V AC)

.. 50Hz

.. 115V 10% (limits: 105-130V AC)

.. 60Hz Power

(mains input +10%, current limited output)

.. 200VA maximum Mains Supply Plug:

T2008-21 T2008-22 T2008-23 T2008-24

Voltage Current:

Intermittent Operation

(TA = 25C, input 230V) Peak Rating Continuous Rating

(TA = 25C, input 230V)

.. New Zealand

.. USA

.. UK

.. European

.. 13.8V DC (adjustable 12.5 to 14.5V)

.. 6.5A at 33% duty cycle (maximum 2

.. 8A max. (duration limited by thermal minutes on) shutdown)

.. 4.5A maximum Voltage Regulation

(supply variation 10%, currents up to 6A, temp. range -10C to +60C)

.. 5%

Current Limiting (TA = 25C)

(10A secondary fuse available) Overvoltage Thermal Overload

(cold start @ 25C, input = 115/230V)

.. 9.5A nominal

.. 16V 5% by zener transient suppression diode (not self-restoring)

.. shutdown occurs at approximately 95C heatsink temperature (7A continuous after 1 hour)

Input:

Primary Fuse:

T2008-21, -23, -24 T2008-22 Thermal Cutout

Ripple and Noise 0 to 6.0A, mains voltage 10%

Operating Temperature Range Weight Dimensions:

Height Length Width

.. 1A time delayed

.. 3A

.. integral with transformer

.. less than 10mVrms

-10C to +40C

.. 3.0kg

.. 95mm

.. 225mm

.. 150mm

The power supply contains voltages that may be lethal. The unit should not be disman-

tled without first disconnecting the mains supply. Servicing should be carried out only by qualified technicians.

If the power supply is operated at high output currents and/or a high duty cycle rate for a prolonged period of time (e.g. more than 10 minutes), the heatsink will become very hot. Do not touch. Do not operate the power supply in a sealed cabinet. Ensure that there is an adequate airflow past the unit, and in particular past the heatsink at the back of the unit.

If the mains supply cord needs replacing, it must be replaced with a mains supply cord of the same size and type as originally fitted.

When using a T2008 and radio at a fixed location, it is advisable to check the maximum allowable transmit power, as defined by the local radio regulatory authority. This is commonly in the range of 1 to 5W, and exceeding this output power may result in pros-

ecution.

If the duty cycle (33%) of the radio and power supply is likely to be exceeded, then the radio output power must be reduced to ensure that the current drawn from the power supply does not exceed its rating. It is advisable to check the current drawn from the power supply, regardless of duty cycle, if the radio is operated at full power (25W). Variations in antenna VSWR can result in current drain, which may exceed the rating of the supply.

Refer to the diagram to the rear of this Section.

The mains supply is connected to the primary of the transformer via the supply cord, input fuse and on/off switch. A conventional bridge rectifier is used across the secondary winding of the transformer, with both positive and negative leads being isolated from earth. Five PCB mounted smoothing capacitors are used to produce a 23V DC bus from the 18Vrms secondary of the transformer. The ripple on the DC bus is 4V peak to peak, with an output current of 6A. The front panel LED is illuminated when mains power is applied.

Voltage regulation is provided by the complementary Darlington configuration of Q1 and Q2. The switching of this pair is derived directly from IC1 (TL494). When Q1 is turned on, current flows in inductors L1, L2 and L3 to supply the output. Capacitors C6 and C7 hold the output voltage at a nominal 13.8V. When Q1 turns off, the current flowing in the inductors continues to flow, via diode D1. C8, C9 and L3 form a common mode filter to suppress conducted noise at the output.

A pulse width modulating IC (IC1) controls the switching of Q1 and thus the regulation of the output voltage. A voltage divider (R4, R5 and RV1) converts the output voltage to a 5V nominal level. It is then compared to IC1s temperature compensated internal 5V reference. The length of time Q1 is turned on is proportional to the difference between the reference and the output voltage. Feedback compensation is provided by C10, C11, R6 and R7, while R10 improves the transient response for the feedback circuit.

Current limiting is provided by monitoring the voltage across the current sense resistor

(R18). When the current is increased to approximately 9.5A, the voltage on pin 15 of IC1 decreases to a point where the pulse width of the switching waveform decreases. In addition, a 10A fuse is provided in the secondary circuit of the power supply.

Overvoltage protection is provided by diode D2 and fuse F2. D2 is a 16V zener transient suppression diode that reacts instantly to overvoltage DC or spikes. If an overvoltage condition persists, causing excessive power dissipation in D2, it will become short cir-

cuit, causing F2 to blow. F2 will need to be replaced before operation of the power sup-

ply is possible. D2 will need to be replaced to restore overvoltage protection.

Transistor Q3 is mounted on the heatsink and its junction temperature therefore closely follows that of both the heatsink and Q1. Q3 is biased by R12 and RV2. As the tempera-

ture of the heatsink increases, the temperature of the base- emitter junction of Q3 also increases, which results in the Vbe of Q3 decreasing. At 95C, the base-emitter voltage is exceeded by the biasing voltage, and Q3 switches on. As a result, Q4 turns off, and the deadtime pin (pin 4 of IC1) is pulled high. The deadtime is now 100%, which means Q1 is completely turned off.

The T2008 power supply is designed to provide the DC supply requirements of the Tait T2000 two way radios. It can be operated either with the radio sitting on top as a desk top unit, or with the radio and power supply detached as two separate units. The bot-

tom case includes two screw recesses for wall mounting. The two way radio then can be mounted in its cradle next to the supply, or operated away from it, e.g. on a desk top, etc. If the radio and the power supply are operated away from each other, an extension cable for the DC supply would have to be used. To keep the voltage drop of this extension cable reasonably low, the wiring should be of sufficient gauge to carry the required load. It is recommended that a minimum wire size of 1.5mm is used. The power supply requires a mains supply of 230V nominal 50Hz or 115V nominal 60Hz, as set out in Section 8.1.2. If the power supply is run at a high duty cycle rate, high continuous output currents and/or high mains input voltage, it will generate a considerable amount of heat. An adequate flow of cooling air past the unit, particularly past the heatsink, is therefore essential for reliable operation. Do not operate the power supply in a completely enclosed cabinet.

 Do not touch the heatsink after prolonged heavy duty operation. Keep the heatsink away from anything affected by heat (plastics, etc). The microphone clip supplied with every power supply may be attached to the side of the top cover with the supplied screws and spacer, which fits between the clip and cover. The hook switch monitor wire should be connected as shown in the wiring dia-

gram.

The power supply has a limited capability to float charge a lead acid battery under con-

stant voltage conditions. The performance is limited by the way the power supplys continuous output current rating is limited (typically 4.5A at 20C). The following diagram shows an external protection circuit, consisting of two diodes with the appropriate ratings (i.e. 10A/50V), to be used when float charging a lead acid battery. This circuit prevents damage to the power supply due to reverse current, or the battery being connected with reverse polarity. The current limit prevents charging from being excessive, should a discharged battery be connected. The output voltage of the power supply does not compensate for the tem-

perature dependence of lead acid batteries.

All sub-assemblies within the T2008 power supply (e.g. transformer, PCB/heatsink) are housed in a specially moulded plastic case with no screws. The top and bottom halves of the plastic case are fastened by four self-tapping screws. All electrical components except the transformer and LED are mounted on either the larger regulator/heatsink PCB or on the smaller mains input PCB.Disassembly

 Disconnect the unit from the mains supply before attempting to remove the top case.

The power supply contains voltages that may be lethal. The unit should not be disman-

tled without first disconnecting the mains supply. Servicing should be carried out only by qualified technicians.

If the power supply is operated at high output currents and/or a high duty cycle rate for a prolonged period of time (e.g. more than 10 minutes), the heatsink will become very hot. Do not touch. Do not operate the power supply in a sealed cabinet. Ensure that there is an adequate airflow past the unit and in particular past the heatsink at the back of the unit.

If the mains supply cord needs replacing, it must be replaced with a mains supply cord of the same size and type as originally fitted.

Turn the unit upside down and remove the two self-tapping screws. Turn the unit back on its feet and remove the two top screws. Carefully lift the top case away from the unit. All the sub-assemblies are now easily accessible, and can be lifted out as neces-

sary.

Unsolder the leads of the transistor using solder wick or a solder sucker. Remove the appropriate screws and carefully lift off the transistor. Mount the new transistor using a silicon insulating gasket on the underside. Do not use any other insulators (mica, etc) as they are unlikely to fit under Q1 and/or would require thermal compound. Refit the two screws for Q1 from the copper side of the PCB. Isolate each of these two mounting screws from touching the heatsink with a 3mm length of silicone rubber sleeving. Use spring washers under the two nuts. Carefully position the PCB onto the heatsink before tightening the two screws/

nuts. Ensure that Q3 sits firmly against the walls in its slot on the heatsink. Resolder the leads of the transistor.

Reassembly is carried out in the reverse order to disassembly.

Ammeter: 10A DC

Voltmeter: 0 - 20V DC

Load Resistor: 0 - 100, 10A (variable)

Short circuit plug-in link: IPN 240-04020-62

Ohmmeter: infinity to 0

Refer to the T2008 circuit and wiring diagrams to the rear of this Section. Check with the ohmmeter that the heatsink is electrically isolated from the nega-

tive output. Connect the variable load in series with the ammeter across the output terminals

(see wiring diagram for the pin configuration of the output plug). Set the load to maximum resistance (minimum load current). Connect the DC voltmeter across the power supply output terminals. The DC output wiring should be of sufficient gauge to carry the load current required. It is recommended that a minimum wire size of 1.5mm is used. Plug in the mains connector.

Switch on the power supply. Set RV1 for an output voltage of 13.8V. Switch off the power supply.

Before setting up the temperature shutdown, ensure that the power supply is at ambient temperature, i.e. it has not been running recently with any significant load current. The temperature shutdown is based on a heatsink ambient tempera-

ture of 25C. Disconnect the load resistor.

Insert the plug-in link (1 - 2). Switch on the power supply. Set RV2 (TSD) so that the power supply just shuts down. Switch off the power supply. Remove the plug-in link.

Reconnect the load resistor. Switch on the power supply. Decrease the load resistance (current rises) and set it for an output current of approximately 9.5A. Decrease the load resistance and the voltage output should drop, indicating that current limiting is in progress. If the power supply is very hot, the current limit circuit may cause the unit to switch off completely. If this occurs, switch off the mains supply and wait approximately one minute. The power supply should now operate normally.

The checks listed below have been included to provide assistance in locating faults. It is sometimes convenient to disable a complete section of the power supply in order to iso-

late a fault. If individual sections are isolated the rest of the unit should operate nor-

mally (refer to Figure 8.1.2, Typical Waveforms for details).

Faulty diodes and transistors can generally be found by a simple ohmmeter check, as follows (an AVO model 8 or equivalent meter should be used for taking the measure-

ments, using only the medium or low resistance ranges):

Set the ohmmeter to the ohms x 1 range. Measure the forward and reverse resistance of each junction. The resistance in one direction should be low (generally 30 to 100), and the resistance in the other direction should be high. In a faulty transistor or diode, the junctions will usually be either short or open circuited.

 Other components in the circuit may affect these readings unless the junctions are isolated. The collector current drawn by multijunction transistors is a further guide to their oper-

ating performance.

The following table shows voltages under normal operating conditions, and those fol-

lowing thermal shutdown:

output voltage Q3 base-emitter voltage Q4 base-emitter voltage IC1 pin 4 voltage IC1 pin 14

(voltage reference) Normal Operation

(V) 13.8 0.2 approx. 0.7 approx. 0 5 Thermal Shutdown Operating (V) 0 0.7 approx. 0 approx. 5 5

The following waveforms can be expected under the stated conditions.

The T2008 power supply requires specialised component replacement techniques. Before attempting repair, refer to Section 3.4, Repair.

r e w o P y a W 4 r o t c e n n o C i o d a R 0 0 5 T o t 2 1 0 I o T 1 C I t u O

t u O

r e k a e p S l a n r e t n I t u O

r e k a e p S

. t x E d n G t u O

r e k a e p S

. t x E e v L i 7 E C 5 C 4 C

2 ~

C p i l i C c M o T i s n a M h t r a E w o l l e Y

n e e r G l i d e h S h t r a E r e m r o f s n a r T e t i r r e F d a e B n e e r G i s n a M w o l l e Y n w o d t u h S l a m r e h T t e S i c M o T p i l C i r e w o P y a w 7 o t r o t c e n n o C o d a R 0 0 0 2 T

d e R D E L k c a B l l k c a B D E L r e m r o f s n a r T y r a d n o c e S t e S e g a t l o V t u p t u O Green n e e r G n w o r B e u B l n w o r B e u B l 1 F e s u F y r a m i r P i s n a M h c t i w S w o l l e Y r e m r o f s n a r T 3 6 0 4 T y r a d n o c e S k c a B l

k c a B l

d e R D E L

The spare external pin in the T2000 power connector (refer to Figure 8.4.1) may be wired to any of the option connections tabled in Section 5.9, Options Interface Specifications. The most commonly used connections (hush, horn, emergency and auxiliary), are explained below. The T2010 and T2015 can be programmed to have channel selection controlled via S15 on the T2000 logic PCB.

An active +5V signal is supplied to this line each time the PTT is pressed or a valid transmission is received (i.e. audio is heard), and is commonly used to mute a car radio. It may be connected directly to some modern stereo systems, otherwise an interface device will be required. This signal is sometimes referred to as the external mute.

This is used in a Selcall system where an external alert has been programmed. An active

+5V signal is supplied to this line when the radio goes into the external alert cycle. This signal will either be pulsed, steady or ringing, depending on the radio model and pro-

gramming.

This is used to put the radio into emergency mode for a Selcall system and is activated when the input is switched to ground.

An active +5V signal is switched to this line when the front panel



key

(trunked models) is active. This is programmable with both latching and momentary operation available.

(T2010, T2015 & T2020 models) or   key Fn

The spare external pin in the power connector is connected to an option by linking the appropriate option pin to the EXTERNAL pin on options connector S14 (refer to Section 5.9, Options Interface Specifications). The recommended linking method is to crimp a short length of 7/0.2mm PVC wire between the appropriate connections on a 16-way Micromatch plug (IPN 240-00026-24), which can then be plugged onto the options connector.

The front panel keys do not function when the T2010 or T2015 is programmed for chan-

nel selection control via the BCD lines. Access to the BCD lines is via S15 on the logic PCB. Refer to Section 5.9, Options Inter-

face Specifications details.

This Section describes how to convert a T2000-500 or T2000-600 radio to operate between 1 and 7W.

T2000-500 and T2000-600 1 to 7W radios are currently type approved only in Australia and Germany. The following topics are covered in this Section:

Title Section 8.3.1 8.3.2 8.3.3 8.3.4 Components Required Fitting Set-Up Specifications Page 8.3.2 8.3.2 8.3.4 8.3.4

To convert a T2000-500 and T2000-600 to low power, the following components are required:

Description IPN Quantity Low Power Common Parts T2000-500 Low Power Parts T2000-600 Low Power Parts 56 SRF16 resistor T2000-500/600 replacement transistor PCB radio type label appropriate type approval label 5p6 NP0 500V GRM42-2 chip capacitor 22p NP0 500V GRM42-2 chip capacitor 4p7 NP0 500V GRM42-2 chip capacitor 5p6 NP0 500V GRM42-2 chip capacitor 18p NP0 500V GRM42-2 chip capacitor 030-02560-20 220-01287-00

015-01560-06 015-02220-06 015-01470-06 015-01560-06 015-02180-06 2 1 1 1 2 3 1 1 2

1 Refer to Figure 8.3.1. Remove L315, L316, L317 and *R319 from the top side of the PA. Crush and remove the ferrite bead which forms part of L314, so that only the wire link remains. L 3 1 7

*C330 *C331 C 3 0 0

C 3 3 2 C346 L 3 1 5

R 3 1 9 L314

L 3 1 6

Q308 Replacement zero resistor

2 Refer to Figure 8.3.2. Remove the following components from the bottom side of the PA:

C323, *C324, C325, *C327, *C329 and Q306. C323

*C324

*C329

*C327 Q306 C325

3 Remove the output matching capacitors, *C330, C331 and *C332 from the top side of the PA (shown in Figure 8.3.1). Solder the replacement capacitors in the original positions, as follows:

T2000-500 T2000-600

*C330 C331

*C332 5p6 5p6 22p

4p7 5p6 Replacement Transistor Fitting Refer to Figure 8.3.3. Tin the underside of the replacement transistor PCB. Place the PCB as shown, and sweat-solder into position, soldering the centre strip first, followed by the other strips. 4 a SRF 16 Resistors Q305 5 0 3 0 d 7 3 2 C 9 3 2 C I E T U T T S B U S R O T S S N A R T I 0 0 6

0 0 5

0 0 0 2 T 0 0

7 8 2 1 0

0 2 2

b Solder the chip capacitors onto the replacement transistor PCB, in the positions shown. Refer to the table below for capacitor values and the distance d. T2000-500 T2000-600 Capacitor Value Distance (d)

* d is 13mm if Q305 is a BLW81 transistor 14.5mm*

22p 18p 11.5mm

The distance d shown in Figure 8.3.3 is measured from the edge of the transis-

tor top cap to the centre of the capacitors. c 5 Solder the 2 SRF16 resistors in the positions shown. Keep the leads as short as pos-

sible and ensure the resistors do not cause a short circuit. Replace the radio type label and type approval certificate number label on the heatsink fins with the new type label and corresponding type approval certificate number label.

1 Adjust RV324 to set the required output power level.

If the output power is set to 1W for RF control purposes, program the radio for high power and adjust RV324 for 1W. 2 Seal RV324 with permanent adhesive so that the power cannot be readjusted.

Frequency Range:

T2000-500 T2000-600 Supply Voltage Power Output Temperature Range Stability (power output set to >1W)

.. 400 to 470MHz

.. 450 to 520MHz

.. 0.8 to 16V DC

.. adjustable 1 to 7W

-30C to +60C transmitter stable into 5:1 VSWR

(all phase angles)

The T2000-05 remote speaker kit provides a 4 external speaker for T2010, T2015 and T2030 models.

The T2000-05 kit contains the following components:

Quantity Description 1 2 2 5m T2000 speaker complete with mounting bracket and thumb screws M4 self tapping screws U type captive nuts for self tapping screws speaker wire complete with receptacles and speaker socket

1 Choose a suitable mounting position for the speaker. With the speaker fitted to the mounting bracket, check that it does not interfere with the operation of any of the vehicle controls. 2 Fix the speaker mounting bracket securely in the chosen location with suitable fas-

teners. Two M4 self tapping screws and U type captive nuts have been supplied for this purpose.

Check before drilling that the drill will not damage any components or wiring behind the panel. a b c 3 If drilling directly into metal, drill two 3.5mm holes in the appropriate locations and secure the bracket with the supplied M4 self tapping screws. If mounting the bracket to any other material, such as plastic, drill two 4.5mm holes and attach the bracket with the M4 screws and captive nuts. Slide a captive nut over the edge of the panel to align with each hole, ensuring that the screw will pass through the larger hole to thread into the smaller hole. If neither of the above methods is appropriate, M4 screws, nuts and shakeproof washers are equally suitable. Attach the speaker to the mounting bracket with the thumbscrews.

4 Refer to Figure 8.4.1. Remove the existing internal speaker link and insert the three speaker wire recep-

tacles into the appropriate power connector holes, as shown. If the internal speaker is not required, cut the internal speaker ground link. Internal speaker link

(T2010, T1015 & T2030:

cut to disable) Not normally fitted

Ignition External Power supply:

External speaker:

13.8V Ground Ground Live

5 Plug the speaker into the socket provided on the speaker wire, neatly loop any excess wire and secure with a cable tie. Peel the protective plastic off the Tait label on the front of the speaker.

The T2000-06 desktop microphone has an internal omni-directional dynamic element, pre-amplifier and compressor loop. The microphone output is adjustable by a potenti-

ometer (R11) which is accessible through a hole in the bottom of the case. The desktop microphone has a switch provided for hookswitch monitoring, which can be locked if required.

The T2000-06 has grommets for both Series I and II radios fitted to the microphone cord. 1 2 Remove the Series I grommet from the microphone cord. Fit the desktop microphone lead to the T2000 control head microphone socket, then push the grommet in place.

Both the desktop microphone and the T2000 radio have an internal compressor and it is advisable that the T2000 compressor be disabled to avoid the possibility of hunting. This can be done either by disabling the T2000 compressor or by adjusting the output level at the desktop microphone.

1 2 Disable the internal T2000 compressor by solder shorting the pads labelled ALC disable on the logic PCB. Observe the waveform at TP606 with an oscilloscope, and whistle into the micro-

phone at close range. Adjust the output level of the microphone until the waveform is just below clip-

ping.

1 2 Leave the T2000 internal compressor enabled. Set the transmitter average deviation by whistling into the microphone at the required distance from the microphone.

3 Adjust the output level at the microphone to approximately 80% deviation

(4kHz for wide band or 2kHz for narrow band).

Under some conditions, the microphone may pick up excessive background noise. In this situation, the output can be reduced using either of the procedures described below:

1 2 Change the value of R12 from 10k to 47k (refer to the circuit diagram). This will result in a 10dB output reduction. Fit a 2K2 pot parallel with the microphone element. Adjust the output level to suit.

The T2000-07 DTMF microphone has an omni-directional dynamic element and internal DTMF tone generator. The DTMF tone level is adjustable by an internal potentiometer

(VR1) which is accessible when the rear case is removed. The DTMF microphone is intended for use with all T2000 Series II radios.

The T2000-07 has grommets for both Series I and II radios fitted to the microphone cord. 1 2 Remove the Series I grommet from the microphone cord. Fit the DTMF microphone lead to the T2000 control head microphone socket, then push the grommet in place.

1 2 3 The microphone LED is used to indicate key pressed. The LED is on for normal operation and is off when a DTMF key is pressed. The PTT switch changes the microphone input to the radio from DTMF tone to the dynamic microphone. This is to prevent the microphone signals distorting the DTMF tones. The operation of a DTMF key automatically operates the transmitter PTT and holds it on for a short time after the release of the DTMF key. This is to hold the transmitter on during interdigital pauses.

Remove the microphone back cover and set the DTMF tone level to approximately 80% deviation (4kHz for wide band or 2kHz for narrow band).

The DTMF tone output is also fed into the receive data line and can be used to provide a sidetone. 1 Refer to the diagram on the following page. Solder a resistor to S13 pin 9 (RX-BEEP) on the bottom side of the T2010 control PCB.

The value of the resistor adjusts the sidetone level and is between 100k and 470k, typically 220k. 2 Slide a length of silicone sleeving over the resistor, and connect a wire between the resistor and S11 pin 5 (RXD) on the pot PCB, as shown. Connect to S11 pin 5 S13 pin 9 E S U F 5 0 6 P T E L B A S D I C L A 6 0 6 P T 1 0 6 P T 2 0 6 P T 3 0 6 P T

The T2000-34 kit provides selective tone calling (Selcall) facilities for T2010 and T2015 model T2000 Series II radios. The Selcall kit consists of a small module and a 5MHz crystal that are fitted to the radios logic PCB. This option allows selective individual or group calls within a fleet of radios, on channels that have Selcall programmed. Selcall parameters and features are set up and enabled during programming. Both Sigtec and International group formats are supported by the T2000-34 PCB. Refer to Section 8.7.3, Programming for a list of user-selected features. The following topics are covered in this Section:

Section 8.7.1 8.7.2 8.7.3 Components Required Fitting Programming Title Page 8.7.2 8.7.2 8.7.3

The T2000-34 kit contains the following components:

Quantity Description 1 1 T2000-34 Selcall module 5MHz crystal with insulator

1 2 3 4 Refer to Figure 8.7.1 and Section 7.10, T2010 & T2015 HC05 Logic PCB. Remove the top cover of the radio by unscrewing the four cover screws, unscrew the logic PCB and fold-out. Unplug the connecting looms, if required. Place the Selcall module flat on the logic PCB, as shown in Figure 8.7.1, with the component side facing upwards. Solder the leads on the bottom side of the PCB and trim as necessary. Fit the supplied 5MHz crystal flat on the PCB in location #X502 as follows:

Peel the protective backing off the self-adhesive foam tape on the underside of the crystal. Insert the crystal leads into the holes provided and press the crystal down onto the PCB. Solder the leads on the underside of the PCB and trim as necessary. 5 Reconnect any looms that were unplugged in step 2. Refit the logic PCB to the radio and secure with the three retaining screws. Refit the top cover and secure with the four retaining screws.

S 2 S 1 3 R673 R639 R 5 2 3 C 6 2 4 C 6 5 1 R546 R651 C645 C 6 2 3 R638 R637 R631 R640 C 6 2 8 R645 C625 R 6 9 2 R 6 8 9 C 6 0 4 C 5 2 4 R690 R 6 3 5 R 6 3 0 Q 6 0 2 Q 6 0 1 R 6 4 2 R 6 3 6 R 6 0 7 R 6 8 1 R 6 7 9 C642 C643 R676 C644 R708 R675

C 7 0 4 R518 R519 C530 R682 R 6 4 8 C 6 5 0 R678 R 6 8 3 R671 R685 R672 C637 R677 C 6 4 6 C638 Q 6 0 5 R 6 6 8 R665 R667 R 6 7 0 R 6 8 0 R 6 6 9 I C 6 0 3 C 6 4 0 R574 C522

Q 5 0 8

R 7 1 3 C 6 4 1 R649 C546 R 6 0 6 R 6 7 4 C 6 3 3 R610

#C703 R691 C630 D 5 0 0 R513

#C700 C636 C 6 3 2 R652 C519 R662 C543 C627 Q 6 0 6 Q 6 0 7 R 6 6 6 R 6 5 3 R 6 5 0 R 6 5 4 Q 6 0 8 Q 6 0 4 R 6 6 3 R 6 8 6 I C 5 1 3

#R651

#C631 R 6 5 6 C542 C518 I C 6 1 4 R601 C 6 0 0 C647 C 6 3 9 S 8 S 1 4 R693 R699 R658 R664 R 5 3 8 C634 R659 R547 I C 5 0 6 R 5 2 9 R697 R539 R544 R540 R 5 4 1 P 1 C 6 0 1 R613 R603 R604 R605 R 6 1 4 C 6 0 9 C 6 0 8 C603 C 6 1 0 R622 C 6 0 5 R688 R687 C547 C606 R600 R612 R615 R 5 1 2 R 5 1 1 I C 6 0 4 T2000-34 R 5 8 0 R542 C502 R514 R515 R543 R 5 0 4 R586 R585 R503 Q 5 0 2 Q 5 0 3 C 6 4 8 R617 C 6 1 2 R 6 1 8 R 6 8 4 R616 S 1 5

R 7 1 4

R 7 1 4 A I

C 5 1 2 I

C 5 1 0 R707 R705 R706 C 7 0 5

C 7 0 1 R720 R725 R726

R 7 2 2 R721

#R723 Q 5 0 6 Q 5 0 8 Q 5 0 9 R 7 2 4 R595 R727 R 5 8 4 Q 5 1 0 R 6 9 6 R 5 8 2 R 5 3 4 R 5 8 1 R 5 3 3 I C 5 1 1 Q 5 0 4 R 5 1 6 C619 R629 R 5 2 6 R520 R 6 2 8 R 6 2 5 C 6 2 2 R661 R660 Q 6 0 3

R 7 1 1 C 6 3 5 R 6 5 5 R657

#C630 R501 R502 Q 5 0 1 R507 R701 R702 R703

#R712 R700 R704 I C 5 0 7 R 5 3 6 R 5 3 5 Q 5 0 5 R 5 3 2 R537

#R710 C 7 0 2 P2 R592 R593 I C 5 0 1 R698 R 5 1 0 C 5 0 1 A C 5 1 5 C 5 1 4

#X502

#X502 R 6 4 7 C528 C501 R641 R509 R646 C 5 4 5 C 6 2 6 C 6 2 9 I C 6 0 2

S P E C 1 0

S P E C 9

S P E C 8

S P E C 7

S P E C 6

S P E C 5

S P E C 4

S P E C 3

S P E C 2

S P E C 1 C509 R633 R 6 2 7 R 6 4 4 R643 C620 R632 C621 R634 R569 R 5 7 0 C 5 2 0 R572 R571 R 5 9 9 S K 5 0 5 C 5 0 0 C525 C526 C527 C 6 0 7 C 6 1 1 C 6 0 2 C544 I C 6 0 1 S 1 R624 R 6 2 1 R 6 0 2 R608 R611 C613 C614 C 6 1 8 C 6 1 7 R623 R 6 0 9 R 6 1 9 R 6 2 6 C 6 1 6 R620 C615 R 5 6 8 R695 I C 5 0 9 S 3 C529 R575 R579 Q 5 2 0 R578 C521 C 5 0 5 R524 R583 R525 R528 R527 R 5 3 1

#R595 C503

#R596

#RV508 R508 R506 R505 C517 R V 5 0 7 Q 5 0 7 R522 R521 I C 5 0 4 R694 C 5 4 1 R530 L 5 0 1 C 5 4 0 X501 C507 C506 C504

The radio must now be reprogrammed to set the various Selcall parameters listed in the following table. Refer to the manual supplied with the T2000-20 programming kit for details. Parameter Selection Tone Set Tone Frequencies Tone Period Lead-In Delay Lead-In Tone CCIR, EIA, EEA, ZVEI-1, ZVEI-2, ZVEI-3, DZVEI, PZVEI 16 tones corresponding to the International Standard for the selected tone set, plus no tone 20*, 33, 40, 50*, 60*, 70 & 100ms between 0 & 5100ms in 20ms steps any of the 16 valid tones, or no tone Decode Sequence individual or group decode Encode preset Group Decode Format Sigtec or International Auto Acknowledge Group Dialling enabled or disabled enabled or disabled

Parameter Selection Deferred Calling ANI Sequence enabled or disabled leading, trailing or random encoding Emergency Sequence enabled or disabled Alert Tone Blanking internal and external durations standard

* These tone periods are not defined by international standards. Wherever possible, use the international standard tone periods.

The T2000-36 Selcall PCB plugs into an options connector on the top side of the logic PCB, and provides selective tone calling (Selcall) facilities for T2010,T2015, T2020 or T2050 model T2000 Series II radios. This option allows selective individual or group calls within a fleet of radios, on chan-

nels that have Selcall programmed. Selcall parameters and features are set up and ena-

bled during programming. Both Sigtec and International group formats are supported by the T2000-36 PCB. The following topics are covered in this Section:

Section 8.8.1 8.8.2 8.8.3 Components Required Fitting PCB Information Title Page 8.8.2 8.8.2 8.8.4

The T2000-36 Selcall kit contains the following components:

Quantity Description 1 12mm T2000-36 PCB assembly PVC foam tape

1 Refer to Figure 8.8.1. Remove the top cover of the radio by unscrewing the four cover screws, unscrew the logic PCB and fold-out. Position the T2000-36 PCB as shown, and plug into the connector on the T2000 logic PCB:

Model PCB IPN Connector Circuit Reference T2010 & T2015 T2020 & T2050 220-01377-01 220-01344-02 P1

#T3K44 S 1 3 S 1 4 S 1 5 P2 S 8 P 1 P1 T2000-36 T2000-36 S 2 S 1 S 3 S K 5 0 5

2 3 4 Position the foam tape provided on top of XL2, on the T2000-36 Selcall PCB. Carefully fold the logic PCB back in position and secure using the three logic PCB retaining screws. Refit the top cover. Refer to the T2000 Programming Software Users Manual (IPN 439-22000-02, or later) for set-up information.

The T2000-40 DTMF kit provides DTMF dialling facilities for T2020 model T2000 Series II radios. It consists of a small module which is fitted to the control head PCB. Once installed, all parameters (such as tone durations and hold times) can be programmed as required.

1 2 3 Remove the four screws from the back of the control head and remove the back cover, taking care not to lose the captive nuts. Unplug the connecting loom from the control head PCB, if required. Refer to the diagram below. Place the DTMF module flat on the control head PCB in location S20 with the component side facing upwards. Solder in place, checking that each pin is correctly positioned over the appropriate pad. Reconnect the loom (if plugged in step 1), refit the loom cable into the cable restraint in the back cover, and screw the cover back into place. Ensure that the captive nuts are correctly located in the back cover before fitting. T2000-40

The radio must now be programmed with the various DTMF parameters. Refer to the manual supplied with the T2000-20 programming kit for details.

The T2000-A450X CTCSS and scrambler PCB plugs into an options connector on the top side of the T2000 Series II logic PCB, and can be configured in two ways:

Product Code Option T201X T2020 T203X T2040 T2050 T2000-A4500 CTCSS T2000-A4502 Scrambler x

x

x

The CTCSS option is used in trunked radios, and has 38 independent receive and trans-

mit tones, set by solder links on the T2000-A450X PCB. The scrambler option can be used in either trunked or conventional radios, and is ena-

bled/disabled by the auxiliary (

) key (trunked models). The scrambler uses a simple frequency inversion algorithm that prevents casual eavesdropping by other radio users. After descrambling, the recovered speech suffers from some degradation in clarity.

) key (conventional models) or function (

Fn

The T2000-A4500 CTCSS kit is only compatible with the following radio and PGM software versions:

Radio Radio Software PGM Software Version Version T2030 T2035 T2040 3.24 or later 3.28 or later later than 1.44 5.36 or later later than 2.57 The following topics are covered in this Section:

Title Section 8.10.1 8.10.2 8.10.3 8.10.4 Components Required Fitting T2000-A450X Link Options PCB Information Page 8.10.2 8.10.2 8.10.3 8.10.5

The T2000-A450X kits contain the following components:

Quantity Description 1 12mm T2000-A450X PCB assembly PVC foam tape

1 2 2 3 Refer to Figure 8.10.1. Remove the top cover of the radio by unscrewing the four cover screws, unscrew the logic PCB and fold out. Select the T2000-A450X link options, as described in Section 8.10.3, T2000-A450X Link Options. Position the T2000-A450X PCB as shown, and plug into the connector on the T2000 logic PCB:

Model PCB IPN Connector Circuit Reference T2010 & T2015 220-01377-01 or later P2 T2020, T203X, T2040 &

T2050 220-01344-02 or later

#T3K45 S 1 3 S 1 4 S 1 5 T2000-45 2 P P2 S 8 P 1 S 2 S 1 S 3 S K 5 0 5

Position the foam tape provided on top of #IC5, on the T2000-A450X PCB. Carefully fold the logic PCB back in position and secure using the three logic PCB retaining screws. Refit the top cover.

There are 2 groups of links on the underside of the T2000-A4500 PCB, the receive

(R) group and the transmit (T) group. Each group contains 6 bits that are pulled logic high or low, by either solder links or zero ohm resistors. The receive settings are set by links R-0 to R-5 and the transmit settings by links T-

0 to T-5. A short to the 5V line represents a 1, and a short to ground represents a 0. The following diagram shows the T2000-A450X PCB, with links indicated.

The following table gives the linking details for the 38 independent transmit and receive CTCSS frequencies. Tone Number R-5 T-5 R-4 T-4 R-3 T-3 R-2 T-2 R-1 T-1 R-0 T-0 CTCSS Frequency (Hz) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 67 71.9 74.4 77 79.7 82.5 85.4 88.5 91.5 94.8 97.4 100 103.5 107.2 110.9

Tone Number R-5 T-5 R-4 T-4 R-3 T-3 R-2 T-2 R-1 T-1 R-0 T-0 CTCSS Frequency (Hz) 16 17 18 19 20 21 22 23 24 25 26 27 28 29 3 0 31 32 33 34 35 36 37 3 8 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 114.8 118.8 123 127.3 131.8 136.5 141.3 146.2 151.4 156.7 162.2 167.9 173.8 179.9 186.2 192 .8 203.5 210.7 218.1 225. 7 233.6 241.8 250.3

The T2000-A4502 has the following R settings linked during manufacture. The T settings have no effect. R-5 1 R-4 1 R-3 1 R-2 1 R-1 1 R-0 1

The T2000-50 handsfree kit is designed for use with all T2000 Series II mobiles, and allows communication through the normal PTT microphone, or handsfree operation through a directional microphone. When handsfree operation is being used, the transmitter is activated either by the foot-

switch (Manually Operated Transmit) or automatically, by detecting the sound of a voice. The latter is known as the Voice Operated Transmit (VOX) mode. VOX operation is only intended for use in quiet modern vehicles.

 With trunked radios, a call needs to be established before VOX or footswitch becomes operative. Normal handsfree operation can be used on a conventional channel. The following topics are covered in this Section:

Section 8.11.1 8.11.2 8.11.3 8.11.4 8.11.5 8.11.6 8.11.7 8.11.8 Title Components Required Fitting Fitting The Complete Unit In The Vehicle T2000-50 Set-Up Signal Specifications Specifications Circuit Description PCB Information Page 8.11.2 8.11.2 8.11.3 8.11.5 8.11.7 8.11.8 8.11.8 8.11.10

The T2000-50 kit contains the following components:

Quantity Description 1 1 1 1 1 1 3 2 T2000-50 PCB assembly directional microphone (with optional sunvisor clip or tie clip) footswitch 9 way D-range assembly with 2 in-line connectors & microphone socket attached shroud (alternative shroud - not required for T2000 Series II radios) 2 way in-line connector M3x8 pan Pozi Taptite screws 4-40x pan Pozi Taptite screws (black)

1 Refer to Figure 8.11.1. Remove the top cover of the radio by unscrewing the four cover screws, unclip the D-range blanking plate in the rear of the T2000 radio, unscrew the logic PCB and fold-out. Position the T2000-50 PCB as shown, and connect the Micromatch connectors P13 and P14 to S13 and S14 on the T2000 logic PCB.

2 T2010 & T2015: Remove R513 (0 resistor) on the logic PCB.

3 After manufacture, the T2000-50 PCB links are left open and will need to be cus-

tomer selected. For details of optional links, refer to the Link Options Table in the circuit diagram. Non-trunked radios: standard links are 4B and 5A. 4 Set up the T2000-50, as described in Section 8.11.4, T2000-50 Set-Up. A +5V logic signal is provided to indicate VOX activity (S21 pin 7). VOX (violet wire) and ground (grey wire) are both available from the D-range assembly red in-line connector. A spare in-line connector is also included in the kit for interfacing to an appropri-

ate visual indicator e.g. an LED. 5 6 Carefully fold the logic and T2000-50 PCBs back in position, guiding the D-range connector through the hole provided in the T2000 chassis. Check that no electrolytic capacitors are touching the T2000 chassis (e.g. C21 or C51.) Secure using the three logic PCB retaining screws and the three M3x8 screws pro-

vided and refit the top cover. Plug the D-range assembly provided in the kit into the D-range connector (S21).

 Holes are provided in the T2000 chassis for the D-range plug locking screws. Use the two black 4-40x Taptite screws provided in the kit to form the threads.

The handsfree directional microphone plugs into the T2000 via the D-range assembly microphone socket. The positioning of the microphone is important for correct opera-

tion of the handsfree unit and some experimentation may be necessary to obtain the best performance from the VOX.

The microphone should be mounted in a position 20cm or less from the driver.

The microphone location should be free from vibration.

The microphone must face the driver.

The footswitch plugs into the D-range interface via the black 2 way in-line connector. It is recommended that the footswitch be screwed to the floor.

The 3m lengths of the footswitch and microphone can be effectively extended by fitting a standard 9 way D-range extender cable between the radio and the D-range assembly. These extension cables are not included as standard but are available from most computer outlets.

The radio may need reprogramming to accommodate the handsfree unit. The



key for trunked radios must be programmed for latching if VOX mode is to be used. Refer to the T2000 pro-

gramming manual. for the T2010, T2015 and T2020 or the   key Fn For T203X and T2040 radios, the handsfree option will also need to be selected under Specifications (refer to the Specifications section of the programming manual).

Although the VOX circuitry has been designed to operate in varying conditions, it may be necessary to change the minimum threshold for VOX operation. Monitor TP5 without the directional microphone connected and adjust RV67. Turning RV67 clockwise increases sensitivity, and anticlockwise decreases sensitivity.

For the majority of applications, it is recommended that the setting is left at the factory setting of 0.8V.

T2000-50 set-up should only be necessary after major repair.

AF signal generator

modulation analyser

high impedance voltmeter (e.g. VTVM)

oscilloscope

power supply (+13.8V)

RF power meter or load

30dB RF attenuator The following diagram shows a typical test set-up.

1 Set up the equipment as shown in Figure 8.11.2, and set the audio generator to 1kHz at a level of 0.8mV. Switch on the T2000 and check the increase in current with the T2000-50 fitted is less than 30mA.

2 3 4 Switch on the MOX (Manually Operated Transmit) PTT and check that the modu-

lation is at approximately 60% of full system deviation. Check that no audio path is evident through the normal microphone. Activate the PTT on the normal microphone and check that there is now an audio path through the microphone. With no audio, adjust RV67 for 0.8V at TP5. Remove the TCXO PCB to operate the /IN-LOCK signal and check that the DC level now goes to 6.5V 0.5V. Replace the TCXO. Increase the audio level by 10dB. With all PTTs off, activate the



mode). or  

Fn keys (radio is in VOX Sweep the audio generator slowly from 1kHz to 100Hz and back again and check that the transmitter keys between 700Hz 70Hz and 250Hz 25Hz. When going from receive to transmit the radio should key instantly at these cut-

offs. When going from transmit to receive check there is a delay of approximately 1.5 seconds. Check that VOX transmit is inhibited if the channel is busy (assuming LINK4B is fitted). 5 Switch on the MOX PTT and set the audio generator to 1kHz at a level of -50dBm

(3mV). Monitor TP9 and check that the level on the scope is 1.2Vp-p 0.2V. Increase the audio level by 10dB and check that the level on the scope is about the same. Decrease audio level by 20dB. After observing the charging action of the compres-

sor, the level on the scope should be 0.4Vp-p 0.1V. Trunking only: The audio at TP9 should be there on an assigned channel, a non-trunked channel or in test mode. When the radio is on a control channel or hunting for a control channel, the audio should be muted. 6 A final system check can be done with the directional microphone and footswitch.

The following table describes S21 pin-outs, and relevant interface signals on S13 and S14

(T2000 logic PCB). S21 is the 9 way D-type connector mounted on the heatsink at the rear of the radio. Pin No. S21-1 S21-2 S21-3 S21-4 S21-5 S21-6 S21-7 S21-8 S21-9 S13-6 S13-7 Description Level Input for directional mic. audio Requests handsfree transmit. Output signalling valid VOX opera-

tion. Signal GND MIC GND GND GND FT-SWTCH VOX GND GND TX-LINE-IN Electret microphone audio switched in during handsfree transmit. RX-GTD-AF Used to provide VOX trunking inhibit for received speech. 300mVp-p at 60% mod. 1kHz 110mVrms at 60% mod. 1kHz S13-11 OPTIONS-GND Provides the ground for the options S14-1 S14-2 S14-3 S14-5 S14-6

+13.8V

+5V BUSY circuitry. Powers the +8V regulator used to supply audio circuitry Used to supply power for the logic circuitry. Used to mute invalid audio when transmitter has been inhibited.

/PTT-TO-OPT Echoed to S14-6 for normal PTT request. Switches off S13-6.

/PTT-FRM-OPT Provides the signal for the radio to S14-7

/IN-LOCK transmit. Used to inhibit VOX Tx requests when the radio is out of lock. S14-11 CALL-SW Used by trunking software to mute invalid audio. 10.8V to 16V DC available current 200mA available current 150mA carrier detect 0V = busy 5V pull-up 0V = Tx 5V CMOS 0V = Tx synthesiser lock detect 0V =

lock (lock-up time <20ms) 5V CMOS 5V = mute The following diagram shows the pin designations of S21, viewed from the rear of the radio.

Current Operating Temperature Range Audio:

Input For 60% Deviation Microphone Microphone sensitivity Distortion

.. <30mA

-30 to +60C ambient

.. 1mVrms 0.1mV (1kHz, 600)

.. uni-directional electret

.. -67dB 3db (0dB = 1V/bar)

.. <5%

Delay From Audio To PTT Request

.. 20ms (typical)

Audio is fed into the preamplifier circuitry (Q1) from the electret microphone via pin 2 of the 9 way D-range (S21). The pre-amplified audio is then split and goes into the speech bandpass filter and the noise filter. The speech bandpass filter consists of a 4th order 250Hz high pass filter (IC1) and a gain stage (IC1) with a 3kHz rolloff. Audio then goes into the compressor circuitry (IC1). When PTT is requested by the logic circuitry, IC2 switches and the audio is driven into the TX-LINE-IN at a low impedance. After the high pass filter, audio is tapped off into the speech VOX filter (IC4), which provides a low pass cutoff of 700Hz. This, combined with the previous high pass filter, gives the speech VOX filter cutoffs of 250Hz and 700Hz. The second path of the audio after the preamplifier is to the noise filter (IC3). This con-

sists of a 2nd order high pass filter below 100Hz. After the gain adjusting stages (IC3 & IC4) each filter goes into a precision rectifier (IC3

& IC4), where their appropriate DC level is presented to a comparator (IC3 pins 12, 13 &

14). The negative input has a potentiometer (RV67) providing a DC offset, which is used to provide a minimum VOX threshold. This minimum threshold decreases with VOX activity to provide some hysteresis. The negative input is also held high via IC2, pre-

venting the comparator switching until the synthesiser lock detect line (IN/LOCK) is low. The positive input has a zener diode to prevent VOX activating when both inputs are in saturation. The switching circuitry after the comparator output has a slow decay provided by R69 and C31. IC5 will only allow a VOX PTT request if the AUX line has been taken high. Two NAND gates in IC5 allow a handsfree PTT request (VOX or MOX) to proceed unless the PTT-IN line has been taken low. A valid handsfree PTT request will mute the ordinary microphone and switch IC2, whereas a PTT-IN signal will be mirrored on the PTT line, without switching in the handsfree audio or muting the ordinary microphone. The CALL line is used by trunking software to mute the handsfree audio when the audio path has been invalidly switched in (i.e. on a control channel). Similarly, the BUSY line is used to mute the audio if TX inhibit on busy is used.

Optional circuitry is provided by IC7 to inhibit the VOX signal from the received audio, instead of BUSY. LINK4 is removed to disable the BUSY inhibit and the RX-AUDIO inhibit is enabled by changing LINK5A to LINK5B. Receiver gated audio is buffered by IC7 pins 12, 13 & 14 and split off to feed into the VOX noise path (IC3 pins 5, 6 & 7) and also to a precision rectifier formed around IC7, pins 1, 2 & 3. The rectified audio signal is compared by IC7 pins 5, 6 & 7, and operates the inhibit circuit, Q14.

 

 

The T2000-60 dual port UART Interface Module (UIM) allows computer control of a T2020 or T2040 Series II radio. With full remote control, either semi or fully automatic communication systems can be developed.

The UIM requires radio software Version 2.XX, and to program the UIM param-

eters, the programming software must be PGM2000 Release 7, or later. The T2020 and T2040 use Taits proprietary radio software protocol. For detailed information regarding this protocol, refer to the UART Applications Manual, or contact your local Tait dealer. The following topics are covered in this Section:

Title Section 8.12.1 8.12.2 8.12.3 8.12.4 8.12.5 8.12.6 Components Required Fitting T2000-60 Link Options T2000-60 Set-Up Signal Specifications PCB Information Page 8.12.2 8.12.3 8.12.4 8.12.5 8.12.7 8.12.9

The T2000-60 kit contains the following components:

Quantity Description 1 1 1 3 2 T2000-60 UART PCB assembly 15-way high density D-range plug shroud (alternative shroud - not required for T2000 Series II radios) M3x8 pan Pozi Taptite screws 4-40x pan Pozi Taptite screws (black)

T2000-60 Applications Manual IPN 408-20060-0X.

UIM Uart Interface Module CE Computer Equipment AE Auxiliary Equipment Refer to the Applications Manual for details on the interaction of CE to AE with the UIM.

1 Refer to Figure 8.12.1. Remove the top cover of the radio by unscrewing the four cover screws, remove the D-range blanking plate in the rear of the T2000 radio, unscrew the logic PCB and fold-out. Position the UIM PCB as shown, and connect the Micromatch connectors P13, P14, P16, P17 and P18 to S13, S14, S16, S17 and S18 on the T2000 logic PCB. 2 3

Set up the UIM, as described in Section 8.12.4. Carefully fold the logic and UIM PCBs back in position, guiding the D-range con-

nector through the hole provided in the T2000 chassis. Secure using the three logic PCB retaining screws and the three M3x8 screws pro-

vided and refit the top cover. Plug the D-range assembly provided in the kit into the D-range connector (S21).

 Holes are provided in the T2000 chassis for the D-range plug locking screws. Use the two black 4-40 Taptite screws provided in the kit to form the threads.

Provision has been made on the T2000-60 PCB for different application requirements. The PCB links are either solder shorted or fitted with 0 SMD resistors. The following table sets out the linking options on the T2000-60 UART PCB.

This table refers only to T2000-60 issue 01 (i.e. PCB IPN 220-01251-01), or later. For a description of how to identify PCBs, refer to PCB Identification, on page 7.2 Link LINK1 LINK3A LINK3B LINK4A LINK4B LINK5A LINK5B LINK6 LINK7 LINK8 LINK9 LINK10 CE controlling radio with AE fitted*

CE controlling radio with no AE fitted Option non-processed audio

(DET-AF-OUT connected to RX-AUDIO) processed audio (de-emphasised)

(RX-GTD-AF connected to RX-AUDIO2) processed audio (pre-emphasised)

(TX-AUDIO connected to TX-LINE-IN) non-processed audio

(TX-AUDIO connected to TX-SIG-IN) no handshaking required no handshaking required normal operation

(removal of this link disables the audio mute) normal operation

(this link provides a line termination resistor) normal operation

(removal of this link disables the audio mute) T2020

(SQULCH/HUSH to RX-GATE)

(SQULCH/HUSHconnected to HUSH) T2040

* The analogue signals provided by the UIM must be set up according to the requirements of the AE (bearing in mind the UIM maximum output levels).

AF signal generator

modulation analyser

high impedance voltmeter (e.g. VTVM)

IBM or compatible personal computer

lead to connect radio to CE and AE, if required (refer to Figure 8.12.2 & Figure 8.12.3)

oscilloscope

power supply (+13.8V)

RF signal generator

40dB RF attenuator The following diagram shows a typical test set-up.

IBM is the registered trademark of International Business Machines.

1 2 3 Set up the test equipment as shown. Ensure that pin 5 of S21 is loaded with the impedance normally presented by the AE (typically 600). Apply an RF signal at a level of -50dBm on an appropriate channel. Internal mod-

ulation at 1kHz should be enabled, with the deviation set to 1.5kHz for a narrow band radio and 3kHz for a wide band radio.

If CTCSS or Selcall is enabled, ensure that the signalling mutes are overridden

(for T2040 radios, refer to Section 5.8.5, Test Facilities Available). 4 Connect the scope probe to pin 5 of S21, and adjust RV1 to the level required by the AE.

1 2 3 4 Set up the test equipment as shown. Connect a 600 impedance AF signal generator to pin 15 of S21. If the internal impedance of the AE is not 600, either load the AF signal generator to get an internal impedance equivalent to the AE or alternatively, use the AE to provide the test signal (this is possible with most packet radio modems). Apply an audio test signal to TX-AUDIO and set the radio to transmit (for T2040 radios, refer to Section 5.8.5, Test Facilities Available). Connect the scope probe to pin 15 of S21 and adjust the AF signal generator to a frequency of 1kHz at a level of 700mVp-p. While the radio is transmitting, adjust RV2 to produce a deviation on the modula-

tion analyser as stipulated by the AE. If you are using the test signal from the AE instead of the AF signal generator, there will be some means of adjusting the signal level inside the AE.

The following table describes the electrical specification of all CCI interface signals. These signals are available at the 15 way high density D-type connector (S21) mounted on the heatsink at the rear of the radio. All signals necessary to provide CE and modem connection may be routed via these pins. Some signals may be selected by links on the UART interface module for different characteristics (refer to the circuit diagram and Section 8.12.4). S21 Pin No. Signal Description 1 2 3 4 5 6 7 8 9 CTSB DGND TXDB

+13.8V-SW RX-AUDIO RXDB RXDA TXDA DTRB 10 OPTIONS-GND Clear to send in B Handshaking input for port B. This signal complies with the electrical requirements of the RS-232 specification. Digital ground Ground reference for all digital signals. Transmit data out port B Data output from serial port B. This signal complies with the electrical requirements of the RS-232 specification.

+13.8V supply out Switched supply voltage. Can supply power to the AE when the radio is switched on. Maximum current = 300mA. Receive audio out This output is link selectable between one of the following sig-

nals:

1. DET-AF-OUT

(P13 pin 1) Receiver detected audio: unprocessed receiver audio. Output impedance = 600. Delivers 0 to 250mVrms (adjustable) into 600 at 1kHz (60% of full system deviation). Receiver gated audio: de-emphasised receiver audio, gated by mute element. Delivers 0 to 250mVrms (adjustable) into 600 at 1kHz (60% of full system deviation). 2. RX-GTD-AF

(P13 pin 7) Receive data in port B Data input to serial port B. This signal complies with the electri-

cal requirements of the RS-232 specification. Receive data in port A Data input to serial port A. This signal complies with the elec-

trical requirements of the RS-232 specification. Transmit data out port A Data output from serial port A. This signal complies with the electrical requirements of the RS-232 specification. Data terminal ready out B Handshaking output for port B. This signal complies with the electrical requirements of the RS-232 specification. Options ground Ground reference for all analogue signals.

S21 Pin No. Signal Description 11 12 13 14 15 CTSA Clear to send in A Handshaking input for port A. This signal complies with the electrical requirements of the RS-232 specification. SQULCH/HUSH Auxiliary output: receiver audio valid Signal indicates valid audio is being output from RX-AUDIO. This output is link selectable between the following signals:

1. RX-GATE

(P14 pin 4) Receiver Gate: received audio mute control line. Logic high = muted. 5V CMOS logic. External Device Mute: controls muting of an external device during radio activity. Logic high = muted. 5V CMOS logic output. 2. HUSH

(P14 pin 12)

/PTT-FRM-OPT DTRA TX-AUDIO Transmit request in Press To Talk: active low transmit request input. 5V CMOS logic input. Data terminal ready out A Handshaking output for port A. This signal complies with the electrical requirements of the RS-232 specification. Transmit audio in Audio input to the radio. This input is link selectible between one of the following signals:

1. TX-SIG-IN

(P13 pin 8) Transmit signal: transmit audio input, post processing. Input impedance = 600 or high imped-

ance. Requires 250mVrms at 1kHz to pro-

duce 0 to 80% of full system deviation

(adjustable). Transmit audio: transmit audio input, before pre-emphasis. Input impedance = 600 or high imped-

ance. Requires 110mVrms at 1kHz to pro-

duce 0 to 80% of full system deviation

(adjustable). 2. TX-LINE-IN

(P13 pin 6) The following diagram shows the pin designations of S21, viewed from the rear of the radio. 10 5 15 6 1 11 PCB

The T2000-A66 single port UART kit allows computer control of a T2030, T2035 or T2040 Series II radio. With full remote control, either semi or fully automatic communication systems can be developed. The following topics are covered in this Section:

Title Section 8.13.1 8.13.2 8.13.3 8.13.4 Components Required Fitting Signal Specifications PCB Information Page 8.13.2 8.13.2 8.13.3 8.13.4

The T2000-A66 kit contains the following components:

Quantity Description 1 1 1 2 2 2 1 2 T2000-A66 UART PCB assembly Data Interface Decoupling PCB assembly (refer to Section 7.17) M2.5x10mm pan Pozi Taptite screws M2.5 shakeproof washers M2.5 nuts locking screw kit (in plastic bag) 4-40x pan Pozi Taptite screws (black) 20mm foam tape

Refer to Figure 8.13.1. 1 2 Remove the top cover of the radio by unscrewing the four cover screws, unclip the D-range blanking plate in the rear of the T2000 radio, unscrew the logic PCB and fold out. T2000-A66 Mounting Position the T2000-A66 PCB on the top side of the logic PCB, as shown, matching P1 on the bottom side of the T2000-A66 PCB to the pads labelled P1 on the logic PCB. Use the two M2.5x10mm screws, nuts and shakeproof washers to secure in place.

The screws are fitted from the bottom of the logic PCB, and secured with the nuts and washers on the top side of the UART PCB. Torque the screws to 2.5in.lb. This ensures that the pressure connector, P1, makes contact with the corresponding pads on the logic PCB.

 Over-tightening the screws will cause the T2000-A66 PCB to bend, result-

ing in possible track damage. 3 T2000 Data Interface Decoupling PCB Mounting Fit the decoupling PCB to the T2000 chassis, guiding the PCB through the hole provided. Holes are provided in the T2000 chassis for the D-range locking screws. Use the two black 4-40 Taptite screws provided in the kit to form threads. Open the locking screw kit, discard the nuts, then secure the D-range using the two locking screws and spring washers.

2

4 5 Fold the T2000-A66 loom as shown, then plug into SKT2 on the decoupling PCB. Fold the logic PCB back in position, and secure using the three logic PCB retaining screws and refit the top cover.

The following table describes the signals used on the decoupling PCB 9 way D-range connector (SKT1). The unused pins may be used for other signals, if required. SKT1 Pin No. Signal Description 2 3 5 TXD RXD Transmit data: Serial data output from UART PCB. This signal complies with the electrical requirement s of the RS-232 specification. Receive data: Serial data input to UART PCB. This signal complies with the electrical requirements of the RS-232 specification. DGND Digital ground: Ground reference for all digital signals. The following diagram shows the pin designations of SKT1, viewed from the rear of the radio.

A B C D E F G H J K

9 8 7 6 5 4 3 2 1 0 3 2 15 6 16 P1 P1 P1 P1 P1 WRN RDN CEN INTRN RESET 4 5 1 7 8 9 10 11 12 13 14 P1 P1 P1 P1 P1 P1 P1 P1 P1 P1 P1 A2 A1 A0 D7 D6 D5 D4 D3 D2 D1 D0 17 P1 18 20 P1 P1

+5V DGND DGND

+5V 19 P1 CGND I/OPAD S1 6 7 8 A2 A1 A0 15 16 17 18 19 20 21 22 D7 D6 D5 D4 D3 D2 D1 D0 5 MPI

+5V 24 VCC C1 100N TXD 3 RXD 2 RESET INTRN CEN RDN WRN 11 13 14 1 23 IC1 SCC2691 GND 12 9 X1 10 X2 4 MPO X1 3.6864M C10 22P C11 22P

+5V 16

+V 2 6 5/10+

5/10-

IC2 MAX202 C2 100N 1 3 4 5 C1+

C1-

C2+

C2-

C12 100N C13 100N 10 11 12 9 T2IN T1IN R1OUT R2OUT 7 14 13 8 T2OUT T1OUT R1IN R2IN GND 15 C14 100N C15 100N R1 56 R3 56 SK2 4 WAY PADDLE CONNECTOR P1 24WAY SKT R2 56 R4 56 C16 1N0 C17 1N0 2 SK2 TXD 3 SK2 RXD 1 SK2 4 SK2 DGND DGND TAIT ELECTRONICS 4A 3A 2A 1A P1 RELAY OF PCB NEW CONNECTOR. RELAY OF CCT ADDED SK3. CHANGED PLACEMENT TOE CHANGED XTAL FOR SIDE MOUNT VER NEW FOR SINGLE PORT OPTION ON T2000 CCB REV/ISS AMENDMENTS RPS DJW/RPS PW PW PW DRAWN DJW PW PW PW CHKD D.O. APVD 17/12/96 21/10/96 05/03/96 28/08/95 27/06/95 DATE T2000 SERIES 2 SINGLE PORT U.A.R.T IPN:

ID:. 1 2.SC. FILE DATE:

17/12/96 FILE NAME:

134804A ISSUE:

4A DESIGNER:

RPS 220-01348-04 PROJECT:

T2000 NO.SHEETS:

2 9 8 7 6 5 4 3 2 1 0

The T2000-80 line interface kit enables connection of the T2000 receiver and transmitter audio circuitry to a two wire transmission line. The line interface PCB is mounted in the options position inside the T2000 Series II radio, and is application configurable using PCB links. The following topics are covered in this Section:

Title Section 8.14.1 8.14.2 8.14.3 8.14.4 8.14.5 8.14.6 8.14.7 8.14.8 8.14.9 Components Required Fitting Line Interface Options T2000-80 Set-Up Signal Specifications Applications Specifications Circuit Description PCB Information Page 8.14.2 8.14.2 8.14.4 8.14.7 8.14.9 8.14.10 8.14.16 8.14.18 8.14.21

The T2000-80 kit contains the following components:

Quantity Description 1 1 1 28 1 1 3 2 T2000-80 Line Interface PCB assembly 15-way high density D-range plug shroud (alternative shroud - not required for T2000 Series II radios) 0chip resistors 1 capacitor (*C64) 47 capacitor (*C60) M3x8 pan Pozi Taptite screws 4-40x pan Pozi Taptite screws (black)

1 Refer to Figure 8.14.1. Remove the top cover of the radio by unscrewing the four cover screws, unclip the D-range blanking plate in the rear of the T2000 radio, unscrew the logic PCB and fold-out. Position the T2000-80 PCB as shown, and connect the Micromatch connectors P13 and P14 to S13 and S14 on the T2000 logic PCB. T2000-80 PCB P13 S13 P14 S14 S15 P2 S2 T2010 & T2015 Logic PCB S21 1 D C B 0 D C B S24 CGND P1 S1 SK505 TP609

2 T2010 & T2015: Remove R513 (0 resistor) on the logic PCB.

3 4 5 6 Tx/Rx Out Function Connect a wire from S24 on the T2000-80 PCB to S609 on the logic PCB, as shown in Figure 8.14.1. External Channel Control (T2010 Only) Connect the 2 BCD lines a shown in Figure 8.14.1. Refer to Section 8.14.3, Line Interface Options, Section 8.14.6, Applications and the circuit diagram before selecting the T2000-80 PCB linking options. Set up the T2000-80, as described in Section 8.14.4, T2000-80 Set-Up. Carefully fold the logic and T2000-80 PCBs back in position, guiding the D-range connector through the hole provided in the T2000 chassis. Secure using the three logic PCB retaining screws and the three M3x8 screws pro-

vided, and refit the top cover. Plug the D-range assembly provided in the kit into the D-range connector (S21).

 Holes are provided in the T2000 chassis for the D-range plug locking screws. Use the two black 4-40 Taptite screws provided in the kit to form the threads.

Provision has been made on the T2000-80 PCB for many different application condi-

tions. Refer to the circuit diagram, PCB layout, the T2000 options connections table below, and the T2000-80 Signal Specifications table for details of options and links. The PCB links are either solder shorted or fitted with 0 SMD resistors.

To prevent the possibility of damage, check the Signal Specifications table before attempting to change the configuration. The following table sets out the standard T2000-80 linking options for T2010 and T2020 models. Link LINK1A LINK2B LINK27B LINK28B LINK3A LINK4A LINK5 LINK9 LINK12B LINK13 LINK16A LINK17A LINK18A LINK19A LINK20A LINK21A LINK22B LINK24A LINK26B Option Rx de-emphasis 6 pole line output filter 600 ohm output 0dB line output attenuation Line input and output linked Tx pre-emphasis Mic. mute on line input PTT Rx gate standard radio (T2010/T2020) Opto control standard Auxiliary control PTT in Key (0V) Busy (0V) Output (Tx5V/Rx0V) Synth in Lock (0V)

*C60 (47):This is provided to give a slight time delay to the Rx gate signal, if required.

*C64 (1): This is provided to give a slight time delay to the release of transmit, if required.

*C120 (4n7): Provision has been made on the PCB to fit an extra potted mylar capacitor for line matching, if required.

The following table describes the T2000-80 pad connections found on the bottom side of the T2000-80 PCB. Pad S22 S23 S24 S25 S35 Signal BCD1 BCD0 TX-REG Spare CGND Description Connect to S15 pins 9 (BCD0) and 10 (BCD1) on T2010 logic PCB for channel remote switching. Enabled in software. Output indicating whether the radio is transmitting or receiving. Used for modem control applications. Tx = +5V Rx = 0V Uncommitted line to S21 True ground used for RF decoupling capacitors. Must be connected to radio chassis if logic and T2000-80 PCBs are folded out during set-up and test.

The following table described the signals used for line interface on P13 and P14. Pin No. P13-1 P13-3 Signal Description DET-AF-OUT Output, buffered and low pass filtered, for flat response (60% devia-

tion, 0.25Vp-p, 1kHz). RX-LINE-OUT De-emphasised and high pass filtered output (60% deviation,

+13.8V-UNSW Unswitched +13.8V supply from the T2000. Powers audio PA and P13-6 TX-LINE-IN P13-8 TX-SIG-IN P13-11 OPT-GND P13-12 P14-1 P14-2 P14-3

+13.8V

+5.0V BUSY P14-4 RX-GATE P14-5 PTT-TO-OPT P14-7 IN-LOCK P14-8 MIC-MUTE P14-13 AUX 0.4Vp-p, 1kHz). High pass filter circuit depends on presence of sub-audible tone signalling. Used for de-emphasised response. Input to pre-emphasis stage, bypasses compressor. Used for the pre-emphasised response (60% deviation, 0.3Vp-p, 1kHz). Line input will override microphone signal if both are present. Low gain input to T2000 limiter stage. Bypasses pre-emphasis and high pass filtering, used for the flat response (60% deviation, 2.2Vp-p, 1kHz). Earth from the regulator section of the T2000 main PCB. Used to avoid earth loop noise. external opto key circuits. Switched +13.8V supply from T2000. Powers line interface PCB +8V regulator.

+5V from T2000 main PCB regulator. Powers hex invertor ICs and trunking switches. Output BUSY = 0V is used to inhibit line input derived key and line input mutes. On trunked versions is used for inhibit logic. Output port used to open the mute element in the T2000. Used to control line output mute. Note: Unmute = +5V for T2010 and T2020;

Unmute = 0V for T2030 and T2040. This also drives the line key and opto driver indirectly. Output mirrors PTT from microphone or signalling. PTT = 0V. On trunked versions is used for inhibit logic. microphone derived key. Synthesiser phase lock detector output. Used for modem control applications. Lock = 0V. Input port used to disable local microphone signal on line input derived PTT (not on microphone PTT). Mute = +5V. Auxiliary control output configurable in software. Used to enable/

disable crossband linking, 2 wire linking etc. (see trunked versions). Aux on = +5V. P14-6 PTT-FROM-OPT Input port to key transmitter. Used for line input derived key and P14-5 P14-10 PTT-TP-OPT EMERG P14-11 CALL-SW Trunking Models: Additional Functions For inhibiting modem output on PTT from microphone. Performs a new function. External call request = 0V input. Used for modem calls on a trunked system. Performs a new function. Traffic channel allocated = +5V output. Used for modem calls on trunked system. P14-13 FCN/BELL/AUX Performs a new function. Not clear to send = +5V output. Used for modem calls on trunked system.

AF signal generator

distortion analyser

frequency counter

Modulation analyser

High impedance voltmeter (e.g. VTVM)

Oscilloscope

Power meter

Power supply (+13.8V)

RF signal generator

40dB RF attenuator

600 step attenuator The following diagram shows the test set-up. RF Signal Generator RF RF RF Modulation Analyser AF Oscilloscope Audio Voltmeter Ext. AF 40dB Pad Distortion Meter Frequency Counter AF Signal Generator Power Meter

+13.8V Power Supply 600 Step Attenuator AF Signal Generator 600 Audio Voltmeter Frequency Counter 4 Speaker t u O

n I e n L i RF Pwr/Spkr T2000 Main Board OPT Option Board Control Board Opto Key Opto In S21-4 +13.8V Out S21-3 +8V Out S21-1 Opto In S21-2 Opto Out S20-10 Gnd S20-11 PTT In DC Control Mic. Socket Test Signal Dummy Mic. &

PTT Test Signal

(Speech) Test Mic. &

PTT 1K S21-12 Busy/Rx Gate Out 5V Logic

1 2 3 4 The adjustment section assumes that the T2000 radio has been correctly aligned for normal operation. Refer to Section 8.14.3, Line Interface Options and the cir-

cuit diagram for linking and application details. If the logic and T2000-80 PCBs are unscrewed and folded out for adjustment, a wire should be temporarily fitted from the radio chassis to the options chassis ground pad (S35), as shown in Figure 8.14.1. Signals for balanced transmissions are generally less than 0dBm, and are typically between -10dBm and -20dBm. Ensure that the

 LED is on (  LED Fn on trunking radios).

 Deviation settings are given first for wide band radios, followed by settings for narrow band radios in brackets [ ].

1 2 Ensure that the

 LED is on (  LED Fn on trunked radios). Monitor the line output (S21 pin 5). Apply an on channel signal from the RF signal generator at an output level of

-70dBm, modulated to 3kHz [1.5kHz] deviation, at 1kHz AF. Adjust the RV1 (line output control) for the required output level.

If the line output level is to be less than -15dBm, short LINK6 (600 output) and remove LINK5, to select 15dB of attenuation.

1 2 Monitor the line input (S21 pin 15). Ensure the indicator is off, and key the transmitter via the opto input (+8V). Adjust RV2 (line input sensitivity control) until 3kHz [1.5kHz] deviation at 1kHz is achieved.

For input signals of greater than -15dBm, set the line input attenuation for 15dB

(LINK11 open).

This circuit delays audio gate turn on after PTT, to prevent squelch noise bursts in repeater applications. 1 2 Enable the time delay circuit by solder shorting LINK23. Set the required time delay using RV3 (time delay control).

The following table describes the electrical specification of T2000-80 interface signals available at the 15 way high density D-type connector (S21), mounted on the heatsink at the rear of the radio. S21 Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Signal OPTO-IN OPTO-OUT

+8V-OUT

+13.8V-OUT LINE-OUT KEYING BCD0-OUT BCD1-OUT Spare GND PTT-IN BUSY/GATE IN-LOCK-OUT TX/RX-OUT LINE-IN

CGND Description Input for external opto coupled line current detector.

+8V logic. Output to drive external opto coupled line current switch. 1k ohm series resistor for LED.

+8V output to supply external opto coupled line current detector. Unswitched +13.8V output to provide an unisolated keying sup-

ply. Output audio path to transmission line or transformer. Bi-directional key line for use with simple two wire linking

(optionally linked to OPTO-IN internally). +8V logic. Inputs used for 4 channel remote switching with the T2010. +5V logic. Decoupled uncommitted line. Options ground. This is earth derived from the regulator section of the T2000 main PCB. Used to avoid earth loop noise. Keys transmitter and operates line control logic. Trunking PTT selectable. +5V logic, sense selectable by links. Busy or Rx gate output. Trunking busy link selectable. +5V logic, sense selectable by links. Synthesiser lock detector output. +5V logic, sense selectable by links. Tx regulator control output. Indicates whether the radio is in Tx or Rx. +5V logic, sense selectable by links. Input audio path to transmitter audio stages. Normally linked to LINE-OUT for a bi-directional line but is able to be separated for other applications using two transmission lines. Provided via S21 D-range and cable screen if required for RF sus-

ceptibility. The following diagram shows the pin designations of S21, viewed from the rear of the radio. 10 5 15 6 1 11 PCB

The frequency response of the line output low pass filter is selectable by LINK2, LINK27 and LINK28.

2 pole: -12dB/octave stopband attenuation, f > 4kHz.

6 pole: -36dB/octave stopband attenuation, f > 4kHz. The 2 pole LPF is for applications requiring minimal group delay and stopband attenua-

tion, e.g. standard configuration, crossband 2 wire + earth, modem connection. The 6 pole LPF is for applications requiring external network connection where stop-

band attenuation is mandatory above 4kHz, e.g. crossband via external network (bal-

anced line + opto key), remote controlled audio via external network (balanced line +

opto key).

This is the control of 2 radios operated together, crossband or repeater linked. 1 Check that LINE-OUT is linked to LINE-IN internally (LINK9 fitted). Line Out to Line Out Keying I/O to Keying I/O Fit LINK15 to link KEYING to OPTO-IN. This provides control in both directions. The unit generat-

ing the keying signal is already Tx inhibited. 2 Wire LINE-OUT (S21-5) on one T2000 to LINE-OUT (S21-5) on the other T2000. Wire KEYING (S21-6) on one T2000 to KEYING (S21-6) on the other T2000.

Power Suppply 13.8V 4 Speaker HD D-Range Pwr/Spr HD D-Range

Power Suppply 13.8V 4 Speaker Pwr/Spr T2000 No. 1 T2000 No. 2 3 The time delay circuit may be required to eliminate squelch noise bursts for cross-

band operation with repeaters. LINK23 enables this circuit, which is adjustable using RV3 (refer to Section 8.14.4, T2000-80 Set-Up).

The 2 wire circuit assumes that the 2 radios are effectively earthed together at either the power supply or the power connector.

 A high line level is desirable to avoid earth noise i.e. 0dBm (0.775Vrms).

Crossbanded radios i.e. UHF/VHF, can be achieved by using space isolated antennas to avoid de-sensing, as shown below. VHF Antenna Common Antenna UHF Antenna Duplexor

Power Suppply 13.8V 4 Speaker

Power Suppply 13.8V 4 Speaker RF Pwr/Spr RF Pwr/Spr T2000 No. 1 T2000 No. 2 Alternatively, in-band linked radios will require a duplexor to feed a common aerial.

The T4030, 4N38A and 4N25A are not intended for mains rated isolation.

Mains rated transformer: Arlec 45035 (suitable for PSTN lines) 600/600 only, 4kVrms rated.

HV rated transformer: Arlec 45065 (suitable for private lines) 600/600 or 600/150, 3.5kV rated.

Transformer T4084: 2kVrms.

Transformer T4030: no HV specification.

Mains rated opto-isolators: CNY17G CNW85 Refer to the M008-50 Service Manual for line keying connection diagrams.

Refer to Austel Technical Standard TS 001:1991 Safety Requirements For Customer Equipment for other configurations.

These circuits will require approval to the appropriate standards before use.

Mains isolation: 4kVrms/8mm CrCl required + 2.5mm CrCl from protective earth on surge arresters.

Private lines: 3.5kV.

Arlec 45035: PSTN/mains rated.

Arlec 45065: private line rated.

Spring Mylar Insulator Leads to be sleeved Tin ends of leads Tape outside of turns Section A-A Former and Windings Can Core Former

(Wound) Tag plate Primary Secondary A Sleeving Colours Brown Start 1 3 Red 250T Green 250T Green 250T Pri Bifilar 2 4 Pri 250T - 15 Red & Green Sec 250T - 15Red & Green Red 250T Finish Red Sleeving Colours Grey Start 8 6 Sec Bifilar 7 5 Finish Blue Secondary A 5 4 6 7 3 2 8 1 Primary Underside View Sleeving Colours:

Pin 1,3 Brown 2,4 Red 6,8 Grey 5,7 Blue

 Cores must be properly aligned when assembled. Core faces must be clean and free from grease and dirt. Ensure tag plate is firmly pressed against can before folding tabs. Core Former Number of Turns:

Primary Secondary Material Tape Sleeving

.. P26/16 - 1910

.. single

.. 250 bifilar

.. 250 bifilar

.. 15mm self flux

.. . thermosetting electrical grade inside diameter all colours, 0.5mm Inductance 1

(total series inductance, pin 1 to 5 - connect pins 2 & 3, 4 & 8 and 7 & 6)

.. 61.5H Inductance 2

(any winding, with all others open circuit)

.. 1.50.4H

5 1 600 Primary 1 to 5, 2 & 4 connected together 600 Secondary 10 to 6, 9 & 7 connected together 16.5 14.2 Pin 1 2 3 4 5 5 4 3 2 1 6 7 8 9 10 All Dimensions in mm. Scale: 2:1 (Approx.) Material: See Notes General limits: 0.2

10 9 8 7 6 Impedance Output Level Frequency Response Insertion Loss Return Loss (relative to 600):

At 1kHz At 300Hz

.. 600 /600 centre tapped, separated

.. 0dBm at 1kHz

.. +0.2dB, -0.5dB 300Hz to 3400Hz relative to 1kHz at 0dBm output

.. <0.75dB, 0dBm output at 1kHz

.. >15dB

.. >10dB Distortion (unbalanced currrent):

1kHz 0dBm out 0mA DC

.. <0.2%

1kHz 0dBm out 5mA DC

.. <0.7%

300Hz 0dBm out 0mA DC

.. <1.0%

300Hz 0dBm out 5mA DC

.. <6.0%

Level reduction due to 5mA DC at 300Hz .. <2dB Impedance Balance About Earth

.. >46dB over 50Hz to 3400Hz Insulation:

DC Primary to Secondary Primary & Secondary to core A.C.Primary to Secondary Primary & Secondary to core

.. 500V R>10M

.. 500V R>I0M

.. 2kVrms 60sec. . 2kVrms 60sec. Ferrite Core Primary Inductance

(1kHz 1 to 5, 2 & 4 connected together)

.. see 16 x 7 10 Pin Bobbin Harvard Inds. Ref. Cerf. 2611

.. 500mH 50mH typical

.. 700H 100H typical Leakage Inductance

(10kHz; 1 to 5, 2 & 4 connected together, 6, 7, 9, & 10 connected together) Primary DC Resistance:

1-2 4-5 Secondary DC Resistance:

10-9 7-6

.. 8.3 typical

.. 8.3 typical

.. 14.6 typical

.. 14.6 typical

Input Voltage

(from S13 & S14 on the T2000 logic PCB)

.. 10.8V to 16V DC Operating Temperature Range

-10C to +60C ambient DC Input Current

.. < 40mA total (+13.8V supply) Line Input Sensitivity (60% deviation) Line Output Level (60% deviation) Line Impedance Return Loss (300Hz to 3kHz). Line Output Filter Response (stopband):

2 pole 6 pole

a Receiver + Line Output

-20dBm to +6dBm (600)

-20dBm to +6dBm (600)

.. 600 or 150

> 20dB relative to 600 or 150

-12dB/octave, f > 4kHz

-36dB/octave, f > 4kHz Receiver Frequency Response (relative to 1kHz, 60% deviation):

Receiver Processed:

Bandwidth Response Receiver Unprocessed Test signal Signal-to-Noise Ratio:

Narrow Band Wide Band Mute Ratio

.. 300Hz to 3kHz (standard) 400Hz to 3kHz (CTCSS)

.. +1, -3dB relative to -6dB/octave

.. +1, -3dB (300Hz to 3kHz)

-70dBm RF, 60% deviation at 1kHz, 0dBm line output. . > 39dB

.. > 45dB

.. > 65dB Distortion (30kHz band width distortion meter):

Wide Band De-emphasised Narrow Band De-emphasised Wide Band Flat Narrow Band Flat

.. < 2%

.. < 3%

.. < 4%

.. < 6%

b Transmitter + Line Input Transmitter Frequency response:

Transmitter Processed:

(relative to 1kHz, 20% deviation, below limiting) Transmitter Unprocessed (relative to 1kHz, 60% deviation):

Bandwidth Response Bandwidth Response

.. 300Hz to 2.55kHz (narrow band) 300Hz to 3kHz (wide band)

.. +1, -3dB relative to +6dB/octave

.. 300Hz to 2.55kHz (narrow band) 300Hz to 3kHz (wide band)

.. +1, -3dB Test signal

.. 0dBm line input, 1kHz, 60% deviation Signal-to-Noise Ratio:

(demodulated, filtered 300Hz to 3kHz + de-emphasised 750srms) Narrow Band Wide Band Distortion

(demodulated, filtered 15kHz low pass)

.. > 39dB

.. > 45dB

.. < 2%

Refer to Figure 8.14.4, Figure 8.14.4 and the circuit diagram.

Flat or de-emphasised audio from the receiver is selected by links to DET-AF-OUT or RX- LINE-OUT. Receiver audio passes through a mute element to a buffer amplifier, and then to three stages of low pass filtering. Two responses are selectable by links: 2 pole or 6 pole roll-off beyond 4kHz. The filtered signal passes to a second mute element and level control before passing to the line output drive amplifier. Line output impedance and attenuation are selectable by links. Line output can be linked to line input for a shared line in, line out. Mute Element N=2 Line Out Level Mute Element Line Driver Attenuator N=4 Link2 B A RxAF De-Emph. T2000 Control PCB Via Option Connectors RxAF Flat TxAF Pre-Emph. Mute Element Buffer Amp Line Sensitivity Attenuator Line Out External Circuits Via HD D-Range Connector Line In Mute Element Gain Stage TxAF Flat T2000 Logic Power Suppliers Control Logic External Logic

The line input has terminations for two line impedances which are link selectable. The line input level can be attenuated, if required, before passing to the line sensitivity con-

trol. Protection diodes are fitted to prevent the following amplifier stage from being overdriven. The amplifier provides gain and buffers the signal, which is split into two paths for either pre-emphasis or flat response. The pre-emphasis path is via a mute element and options linking. This signal drives TX-LINE-IN, which will override the microphone signal. Normally, the microphone is muted on line derived PTT. The flat response path is amplified and then passes to a mute element which drives TX-SIG-IN. This input requires a high signal level, due to the high input impedance. The amplifier is disabled by links, when not used, to prevent the possibility of crosstalk and leakage to other circuitry.

For standard mobiles in normal operation, the audio mute elements, transmit inhibit and opto driver are all inhibited by the auxiliary control. The radio can be used nor-

mally with auxiliary off, and line controlled with auxiliary on. With auxiliary on, the line output mute elements and opto driver are controlled from the RX-GATE. A signal on the BUSY line inhibits the transmitter line key circuitry. Line derived key signals, such as OPTO-IN, KEYING and PTT-IN, can be used to key the radio, provided the auxiliary control is on and the radio is not busy. The KEYING line is used for back-to-back control of two radios, each with a line inter-

face PCB. This enables crossband linking to be achieved with a minimum of external cir-

cuitry. In this case, the KEYING line can be linked to the OPTO-IN line on each unit, with a wire between the two OPTO-IN lines providing bi-directional control. KEYING is controlled by the receive gate and is used to drive the opto input of another line inter-

face PCB. The opto input is intended to be connected to the output of an optocoupler circuit (BJT) used for loop and tail keying via transmission lines (refer to Section 8.14.6, Applica-

tions). The opto output is intended to be connected to the input of an optocoupler circuit (LED) used for loop and tail keying via transmission lines (refer to Section 8.14.6, Applica-

tions). The sense of this circuit can be changed by a link. An adjustable time delay circuit is available to prevent transmitter cycling when cross-

band connected radios are both operating on repeater channels. The circuit is adjustable to approximately 1.5 seconds, with the time delay control fully clockwise, and can be disabled completely by removing a link. PTT-IN can be used to key the transmitter. Links are available to enable either logic sense. For trunked versions using modems, a circuit is provided to set up a call automat-

ically. Control logic for telemetry and modems is provided so that the radio can be operated automatically. IN-LOCK-OUT, BUSY/GATE and TX/RX-OUT outputs can be set by links for either logic sense. Trunked modems operate in a different manner, and first have to set up a call to obtain a traffic channel allocation. Logic is available which requires several link changes, as some of the radio options con-

nections perform different functions:

Standard Trunked AUX on/off emergency call not clear to send external call request traffic channel allocated

+5V is provided from the main regulator via the options connector. +8V is provided by a TO-92 3 terminal regulator. This is also available on the T2000-80 PCB D-range connec-

tor, for powering an optocoupler transistor used for line key current detection. The

+13.8V input of the regulator is derived from the options connector. The +3.2V rail pro-

vides bias to the audio stages and is derived from the +8V regulator. The unswitched

+13.8V from the options connector powers the line drive amplifier, and is available on the T2000-80 D-range for use as an unisolated line key supply option.

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The T2000-A70 conventional data modem allows a T2010 or T2015 radio to be used in data applications, and also provides remote channel control via six BCD lines. The command protocol and some test procedures are provided for those wanting to write their own software. The protocol definition is based on the T2000 CCI protocol, with specific extensions to support binary transmission and reception.

This interface is only compatible with radio firmware version 2.22, or later. If you have a Series II HC05 logic PCB (PCB IPN 220-01377-0X), with v2.05 radio firmware, contact your nearest authorised Tait dealer. After upgrading from v2.05 radio software, it is necessary to change the link resistors on the top side of the logic PCB. Remove link resistor #R714 and fit

#R714A. The following topics are covered in this Section:

Title Section 8.15.1 8.15.2 8.15.3 8.15.4 8.15.5 8.15.6 8.15.7 Components Required Fitting T2000-A70 Link Options Signal Specifications Programming Circuit Description PCB Information Page 8.15.2 8.15.2 8.15.4 8.15.5 8.15.6 8.15.12 8.15.13

The T2000-A70 kit contains the following components:

Quantity Description 1 1 1 2 2 2 1 2 T2000-A70 data modem PCB assembly Data interface decoupling PCB assembly (refer to Section 7.17) connecting loom M2.5x10mm pan Pozi Taptite screws M2.5 shakeproof washer M2.5 nut female screw lock kit (in plastic bag)*

4-40x5/16 pan Pozi Taptite screws (black)

* Discard unused parts from the female screw lock kit.

Refer to Figure 8.15.2. 1 2 Remove the top cover of the radio by unscrewing the 4 bottom cover screws, unscrew the logic PCB and fold out. T2000-A70 Mounting Position the data modem PCB on the top side of the logic PCB, as shown, match-

ing P3 on the bottom side of the data modem PCB to connector S3 on the logic PCB. Use the 2 M2.5x10mm screws, nuts and shakeproof washers to secure in place, as shown.

The screws are fitted from the bottom of the logic PCB, and secured with the nuts and washers on the top side of the data modem PCB. Torque the screws to 2.5in.lb.

 Over-tightening the screws will cause damage to the data modem PCB, and compression of connector P3.

3 a

T2000 Data Interface Decoupling PCB Mounting Unclip the D-range blanking plate in the rear of the T2000 chassis. T2000 Series I Chassis Refer to Figure 8.15.3.

Holes are provided in the T2000 chassis for the D-range screw locks. Use the 2 black 4-40 Taptite screws provided in the kit to form threads. Fit the decoupling PCB to the T2000 chassis, guiding the PCB through the hole provided, as shown. Open the female screw lock kit, then secure the D-range using the 2 screw locks and spring washers.

b T2000 Series II Chassis Refer to Figure 8.15.4.

Fit the decoupling PCB to the T2000 chassis, from the inside rear of the radio, as shown. Secure the D-range in position using the screw locks, spring washers and nuts provided in the female screw lock kit. Fold the data modem loom as shown, then plug into SKT2 on the decoupling PCB. Fold the logic PCB back in position, secure using the 3 logic PCB retaining screws, and refit the top cover. 4 5

 Check that the loom is not pinched by the cover or screws during reassembly.

PCB links have been provided on the T2000-A70 data modem PCB for different opera-

tional requirements. To change settings, the PCB links are either solder shorted, or fitted with 0 SMD resistors. The following table sets out the link selection options on the T2000-A70 data modem PCB.

#R19

#R2010

#R2015 Fitted Not fitted

Fitted Not fitted Not fitted Fitted Option Baud Rate:

1200 2400 Radio Type:

T2010 T2015

The following tables describe the signals on the decoupling PCB 9 way D-range connec-

tor (SKT1) and 4 way connector (SKT2). The diagram shows the pin designations of SKT1, viewed from the rear of the radio.

Pins 1, 4, 6, 7, 8 and 9 on SKT1 are connected to I/O pads, so that additional sig-

nals can be interfaced to the radio through the external connector. SKT1 Pin No. Signal Description SKT2 Pin No. Signal Description 1 2 3 4 DGND Ground reference for all digital signals RXD Receive data TXD Transmit data DGND Ground reference for all digital signals 1 2 3 4 5 6 7 8 9 PAD1 Spare TXD Transmit data RXD Receive data PAD2 Spare DGND Ground reference for all

digital signals Spare Spare Spare Spare PAD3 RTS CTS PAD4

The following tables describe the signals on the data modem PCB connectors P3 and PDL-1. For P3 signal descriptions, refer to Section 5.9, Options Interface Specifica-

tions. P3 Pin No. 1 2 3 4 5 6 7 8 9 10 Signal BCD-0 BCD-1 BCD-2 BCD-3 BCD-4 BCD-5 TX-SIG-IN DET-AF-OUT

/BUSY N/C P3 Pin No. Signal 11 12 13 14 15 16 17 18 19 20

/PTT-TO-OPT

/RX-GATE

/IN-LOCK

/PTT-FRM-OPT

/SIG-SQUELCH MIC-MUTE DGND PWR-CTRL GND

+5V PDL-1 Pin No. Signal Description 1 2 3 4 DGND Ground reference for all digital signals TXD RXD Transmit data Receive data DGND Ground reference for all digital signals

For those wanting to write their own software, the command protocol and some test procedures are provided in this Section. The protocol definition is based on the T2000 CCI protocol, with specific extensions to support binary transmission and reception.

For modem control of channel change, the BCD Channel Selection field in the Edit - Options menu must be set to Enabled during radio programming.

CCI Computer Controlled Interface DTE Data Terminal Equipment (e.g. Computer,
 data head) RU Radio Unit RXD Received Data TXD Transmitted Data

The DTE is connected to the RU via a serial port on the data modem PCB. Commands are generated by the DTE, and responses or unsolicited messages returned by the RU. There is a prescribed format for all messages, which allows transmission errors to be detected. Control of the RU is accomplished by the DTE sending a command sequence (a packet) and receiving a response (a transaction). Unsolicited messages may origi-

nate from the RU. The RU will issue a prompt character to indicate to the DTE that it is ready to accept a new command. After issuing a command, the DTE must wait for another prompt before beginning the next transaction. The prompt character is (full stop, ASCII code =

$2E). Messages directed to the RU will always be responded to, either explicitly by means of a return message (Ready or Error), or implicitly, by just the prompt being issued. The RU will not originate a message: messages returned by the RU are for information purposes only, and no reply will be expected from the DTE. This protocol definition is based on the T2000 CCI protocol, with specific extensions to support binary data transmission and reception.

All message packets take the general form:

[IDENT][SIZE][PARAMETERS][CHECKSUM]<CR>

The following table explains each component of the message packet. Message Component Description

[IDENT]

[SIZE]

[PARAMETERS]

The message identifier. Identifiers are single ASCII characters (lower-case alphabetical) which categorise the message type. The number of characters which make up the [PARAMETERS] field. [SIZE]

is an 8-bit number expressed in ASCII-hex notation (two characters). An optional field, depending upon the command. Parameter values are generally character strings, unless explicitly stated otherwise. Parameter type is dependent upon the command - there is no explicit type definition.

[CHECKSUM]

An 8 bit checksum of fields [IDENT], [SIZE] and [PARAMETERS]. It is expressed in ASCII-hex notation (two characters). Calculating [CHECKSUM]:

[CHECKSUM] is calculated by applying the following algorithm:

1 Take the modulo-2 sum of all message bytes preceding [CHECKSUM]. 2 Retain bits 0 to 7, discarding any higher order bits resulting from the summation. 3 Form the twos complement of the remainder. 4 Convert the binary number into two ASCII-hex digits, MSD first.

<CR>

The packet terminator. It is the ASCII carriage return character ($0D).

General message format characteristics:

All fields in a message are encoded in ASCII, except for the [PARAMETERS] field of the transmit and receive commands, which is encoded in Binary.

Where numeric values are represented in ASCII-hex notation (two characters per byte), digits A to F are upper case.

The minimum length of a command packet is 5 characters (i.e. this is when [SIZE] =

00).

The maximum length of the [PARAMETERS] field is 111 characters. The maximum length of the command packet is therefore 116 characters ([SIZE] = 0x6F).

If the RU receives a command without error, and all parameters are valid, then the com-

mand will be executed and an acknowledge will be returned to the DTE. If an error arises, the DTE will be notified with an appropriate response. The following Table describes the commands available to the DTE to control operation of the RU. Message

[IDENT]

[PARAMETERS]

g q b n

[CHANNEL NUMBER]

This is a string of characters representing the new channel number. The range of allowed characters is 0 to 9 only, and the maximum number of dig-

its is 3. Valid channel numbers are 1 to [NUM CHANNELS]. None The data to broadcast is encoded as binary data. Note that this field may contain unprintable ASCII characters (such as CR/

LF) and protocol command characters (such as ). None Comments The value of [CHANNEL NUMBER] must be valid for the RU being control-

led. The range of allowed values depends upon the RUs programming, type and the link selections on the data modem PCB (refer to Section 8.15.3). The maximum allowable value is returned by the Query command. The Query data is returned to the DTE as a Query Response message (refer to Messages from the RU). The maximum length of data that may be sent with the Transmit command is 111 characters. Command Description Go To Channel This forces the RU to change to another

(conventional) chan-

nel. Query Transmit Null This requests the RU to respond with a block of data identifying the type of RU attached, and the version of modem firmware. This requests the RU to broadcast a block of data on the radio chan-

nel. This requests the RU to return an acknowl-

edgement to the DTE. The DTE can use this command to check that an RU is connected.

Messages may be sent to the DTE by the radio as part of a transaction (i.e. in response to a command issued by the DTE) or unsolicited. In the case of solicited commands, the prompt character will be issued after the RU response to terminate the transaction and signify that another may begin.

In the case of solicited commands, the prompt character, , will be issued after the RU response, to terminate the transaction and signify that another may begin. Unsolicited commands from the RU will not cause the issuing of the prompt character, as it is possible for an unsolicited command (e.g. Receive) to occur during a solicited command (e.g. Transmit). The following Table describes messages from the RU to the DTE. Comments Message

[IDENT]

[PARAMETERS]

i The data received is encoded as binary data. Note that this field may contain unprintable ASCII characters (such as CR/LF) and protocol command characters

(such as ). Command Description Receive Query Response Unsolicited. This presents data received by the RU to the DTE. The data received by the RU has been broadcast by another RU/DTE, using the Transmit command. Solicited The RUs response to a Query command. m

[RU TYPE]

[VERSION]

A single character, representing the model of the RU. 0 = unknown 3 = T2010 4 = T2015 Firmware version. A character string, in the format of X.XX, identifying the capabilities of the RU/modem.

[PVERSION] Protocol Version. A character string, in the format of X.XX, identifying the com-

mand protocol ver-

sion supported. The number of channels supported by the Go To Chan-

nel command. A 3 digit ASCII number. None

[NUM CHANNELS]

Ready

None This response indi-

cates that a transac-

tion has been completed, and the RU is ready for the next command. 1 The value of [PVER-

SION] = 1.01 is reserved for the first release of firmware implementing this command protocol. Subsequent enhance-

ments and major upgrades will incre-

ment this number accordingly. 2 Additional fields may be added to this message in future releases to pro-

vide more information about the RU environ-

ment. In particular, it may be necessary to pass the DTE some information on how the RU has been pro-

grammed, or what optional hardware is fit-

ted. After issuing a command, the DTE must wait for another prompt before beginning the next transac-

tion. Continued on next page

Command Description Message

[IDENT]

[PARAMETERS]

Error e

[ETYPE]

[ENUM]

Solicited response to a transaction error. This advises the DTE that the RU has detected an error condition and cannot proceed with the current transaction. Unsolicited response to a system error. In some cases, an exception condition in the RU may cause an Error message to be sent to the DTE independently of any control transac-

tions. A prompt or Ready will be issued after an Error occurs, to indicate the RU's availability to accept further commands. Error type. A single character represent-

ing the error cate-

gory. 0 = transaction error. This indicates some problem with com-

munications. All such errors result in the transaction being terminated, without the current command being executed. Error number. A character string rep-

resenting a decimal number in the range of 00 to 99, which can identify the specific error condition. For [ETYPE] = 0, 01 = unsupported command 02 = checksum error 03 = parameter error 10 = communica-

tion failure 20 = invalid channel number Comments Transition error numbers

([ETYPE] = 0):

1 0x01 = unsupported command error This may arise when the DTE expects a later version of RU than is attached, and attempts to use a command which is not recognised by the RU. 2 0x02 = checksum error indicates that the check-

sum calculated by the RU did not match the one received in the com-

mand packet. 3 0x03 = parameter error This encompasses val-

ues out of range, or missing fields. 4 0x10 = communication failure This encompasses all low level mechanisms, i.e. framing error, over-

run error, parity error etc. 5 0x20 = invalid channel number This may arise when the DTE issues a Go To Channel command with a [CHANNEL NUMBER] exceeding the maximum allowable number.

The following Table explains the commands that may be sent to test the software. Command Go To Channel Test Procedure 1. Send command g01206 2. Send command g0203D4 3. Send command g03004A2 4. Send command g0225D0 Transmit 1. Send command b04this82 2. Send command b17This is a test command.14 3. Send a b command while the PTT is pressed. 4. Send a command while the busy led is lit Send command n0032 Send command q002F Null Query Command Line Errors 1. Send command b03this83 2. Send command b04this83 3. Send command t04this70 Expected Result Radio changes channel to 2, then returns the command prompt. Radio changes channel to 3, then returns the command prompt. Radio changes channel to 4, then returns the command prompt. Radio sends error message e03020A6

(invalid channel) Radio transmits this data and i04this7B is received by the other radio. Radio transmits this data and i17This is a test command.0D is received by the other radio. Radio sends error message e03010A7

(communication error) Radio sends error message e03010A7

(communication error) Radio returns a prompt (). T2010: a valid message could be m0C31.011.01004D9 i.e.

[RU TYPE] = T2010,

[VERSION] = 1.01

[PVERSION] = 1.01

[NUM CHANNELS] = 04 T2015: a valid message could be m0C41.011.01024D6

[RU TYPE] = T2015,

[VERSION] = 1.01

[PVERSION] = 1.01

[NUM CHANNELS] = 24 Radio sends error message e03003A5

(parameter error). Radio sends error message e03002A6

(checksum error). Radio sends error message e03001A7

(unsupported command).

The T2000-A70 data modem PCB is based on a CML FX469LS 1200/2400 baud FFSK modem IC (IC1) and the baud rate is selectable by PCB links. Receive audio is recovered and fed into IC1 via a buffer amplifier, with filtering (IC5), to attenuate all but the FFSK tones. The signal is demodulated in IC1 and the data fed into the microprocessor, IC2. The data, complete with its length & checksum information, is fed to the DTE via IC4, which converts the 0V/5V TTL levels to RS232. On transmit, data is sent from the DTE to IC2, via IC4. It is processed and sent on to IC1, where it is modulated and the output goes to the TX-SIG-IN input of the radio, via a unity gain buffer, IC6. IC2 also monitors inputs from the radios logic PCB and controls various output lines. The microprocessor checks that the radio is in lock, and is not busy. It then mutes the microphone, activates the radio PTT and 30ms later, the PWR-CTRL signal goes low, releasing the transmit inhibit. Both buffer amplifiers are biased at half rail by IC1, pin11. If a channel change is required, the data is sent to IC7, which toggles the appropriate BCD lines to change the radio channel.

The T2000-A03 6m remote loom and T2000-A04 4m remote loom installation kits are for use with T2020, T2040 and T2050 radios in situations where the 3m remote loom or underdash mounting is unsuitable. The T2000-A16 6m shielded remote loom is suitable for use with EMC model radios, and for installations where electromagnetic radiation may cause problems with sensi-

tive equipment installed nearby or interference to the radios own antenna. Once installed, the loom should not be subjected to any pinching, crushing or chafing, nor should it interfere with the operation of the vehicle controls.

These instructions must be read in conjunction with Section 3.1 Servicing Pre-

cautions and Section 3.2 Disassembly Instructions. The following topics are covered in this Section:

Section 8.16.1 8.16.2 8.16.3 Title Components Required Fitting To Locally Mounted Radios Fitting To Remote Mounted Radios Page 8.13.2 8.13.2 8.13.6

The T2000 remote loom kits contain the following components:

Quantity Description 1 1 1 1 2 2 2 4 2 4 2 4 1 1 remote loom, complete with 8 way connectors remote mounting bracket remote back panel dummy front panel remoting connector cover (fitted to the remote back panel & dummy front panel) M4 pressed captive nut (for remote control head assembly) thumbscrew (for remote mounting bracket) ESD plug (to fit over remote back panel screw heads: T2000-A16 only) No 6x3/4 self-tapping screw (for remote mounting bracket) No 4x 3/8 pan Pozi Plastite screw (dummy front panel mounting) M3x6 pan Pozi Taptite screw (connector PCB mounting) M3x8 pan Pozi Taptite screw (EMC filter PCB mounting) EMC filter PCB (Series II radio chassis) connector PCB (Series I radio chassis)

1 Remove the top cover of the radio by unscrewing the 4 bottom cover screws. Remove the 3 logic PCB retaining screws and fold back the logic PCB. If necessary, remove the 3 option PCB mounting screws before lifting the logic PCB. Remove the microprocessor shield retaining screws and the screw securing the control head ground lead, then remove the microprocessor shield. Remove the bottom cover of the radio and unplug the loom running between the control head and the logic PCB (on EMC model radios, the loom runs between the control head and the EMC filter PCB). The control head can now be detached from the chassis. Remove the 4 adaptor plate retaining screws from the control head and remove the adaptor plate from the back of the control head. 2 Refer to Figure 8.16.1. Unclip the remote back panel remoting connector cover (3). Pass one end of the remote loom through the connector cover hole and plug onto the 8 way connector (6) on the top side of the control head PCB. T2000-A03 & T2000-A04 kits: Remove the ground lead from under one of the con-

trol head PCB screws, and discard the ground lead.

3 T2000-A16 kit: Remove the screw from the control head that secures the control head ground lead. Discard the ground lead, and use this screw to secure the remote loom drain wire solder tag to the control head PCB. Ensure that the tag does not make contact with any devices in the control head. Fit the 2 captive M4 nuts (4) into the slots on the remote back panel (2), and mount the remote back panel onto the control head front assembly (1). Secure in place using the 4 No. 4x5/8 Plastite screws previously used for the adap-

tor plate, and push the 4 ESD plugs (7) over the screw heads (T2000-A16 only). Refit the remoting connector cover, pushing the slot in the cover onto the remote loom cable.

4 T2000 Series I chassis Refer to Figure 8.16.2. Mount the adaptor plate (2) onto the chassis and secure the connector PCB to the 2 chassis pillars, using the 2 M3x6 Taptite screws provided. As the pillars are not threaded, care must be taken that the screws are not inserted at an angle. Pass the logic PCB loom through the slot in the adaptor plate and chassis (7) and plug the loom onto one of the 8 way connectors (8) on the connector PCB. Unclip the remoting connector cover (5) from the dummy front panel and pass the unconnected end of the remote loom through the hole in the dummy head front panel. Plug the 8 way remote loom connector onto the 8 way connector (6) on the connec-

tor PCB. T2000-A16 kit: Secure the remote loom drain wire solder tag under one of the con-

nector PCB screws. Mount the dummy front panel (1) onto the adaptor plate (2), using the No 4x3/8 Plastite screws (4) provided.

5 T2000 Series II Chassis Refer to Figures 8.16.3 and 8.16.4. Fit the EMC filter PCB (18) provided in the kit to the chassis, first passing the loom on the bottom side of the PCB through the chassis hole, as shown. Secure the EMC filter PCB in place, using the 4 M3x8 Taptite screws.

EMC model radios will already have an EMC filter PCB fitted. Check that the top side con-

nector (SKT-1) is 8 way. If not, discard the exist-

ing filter PCB and fit the new PCB provided.

Plug the EMC filter PCB loom onto the logic PCB. Unclip the remoting connector cover (5) from the dummy front panel (1), and pass the unconnected end of the remote loom through the holes in the dummy front panel and the adaptor plate (2). Plug the 8 way loom connector onto the 8 way connector (6) on the top side of the EMC filter PCB. T2000-A16 kit: Secure the remote loom drain wire solder tag under one of the EMC filter PCB screws.

Mount the dummy head front panel (1) onto the adaptor plate (2), using the 4 No 4x3/8 Plastite screws (4) provided. Mount the dummy front panel assembly onto the chassis.

6 7 Reposition the bottom cover of the radio and the microprocessor shield and replace the microprocessor shield retaining screws, tightening them to a torque of 12in.lb (1.4Nm). Refit the logic PCB, any options PCBs that were fitted and the top cover. Tighten the top cover to a torque of 15in.lb (1.8Nm). Refit the remoting connector cover, pushing the slot in the cover onto the remote loom cable. Mount the remote mounting bracket in the desired position (this must be on a flat surface), using the 2 No 6x3/4 self-tapping screws. Place the control head in the bracket, positioned for a good viewing angle, and secure in place with the 2 thumbscrews.

1 Refer to Figures 8.16.2, 8.16.3 & 8.16.4. Remove the radio dummy front panel (1) by removing the 4 dummy front panel screws (4).

In later T2000 radios, the radio dummy front panel is fitted with a remoting connector cover (3). This is unclipped to access the remote loom connector. When fitting a remote loom, it is therefore unnecessary to remove the dummy front panel. Unplug the old remote loom from the connector PCB (Series I chassis) or EMC fil-

ter PCB (Series II chassis). Series II chassis: Check that the top side connector (SKT-1) on the EMC filter PCB is 8 way. If not, discard the existing filter PCB and fit the new PCB provided in the kit (refer to Section 8.16.2, Fitting To Locally Mounted Radios, step (5)). If necessary, replace the old dummy front panel with the new dummy front panel, complete with remoting connector cover, provided in the kit. Pass the new remote loom through the connector cover hole in the dummy front panel, and plug the 8 way remote loom connector onto the 8 way connector (6) on the connector PCB or EMC filter PCB. T2000-A16: Fit the remote loom drain wire solder tag under one of the connector PCB or EMC filter PCB screws. Mount the dummy front panel onto the adaptor plate (2), and secure in place using the 4 dummy front panel screws. Refit the remoting connector cover, pushing the slot in the cover onto the remote loom cable. 2 Refer to Figure 8.16.1. Remove the control head remote back panel (2) by removing the 4 remote back panel screws (5), taking care not to loose the captive nuts (4). EMC model radios will also have ESD plugs (7) over the remote back panel screws.

In later T2000 radios, the control head remote back panel is fitted with a remot-

ing connector cover (3). This is unclipped to access the remote loom connector. When fitting a remote loom, it is therefore unnecessary to remove the remote back panel. Unplug the old remote loom from the 8 way connector on the control head PCB (6). If necessary, replace the old remote back panel with the new remote back panel, complete with remoting connector cover, provided in the kit. Pass the new remote loom through the connector cover hole in the remote back panel, and plug the 8 way connector on the new remote loom onto the 8 way con-

nector on the control head PCB. T2000-A16: Fit the remote loom drain wire solder tag under one of the control head PCB screws.

Ensure that the solder tag does not make contact with any devices in the control head.

Fit the 2 captive M4 nuts into the slots in the remote back panel and mount the remote back panel onto the control head front assembly (1). Secure in place using the 4 remote back panel screws, and push the 4 ESD plugs

(7) over the screw heads (T2000-A16 only). Refit the remoting connector cover, pushing the slot in the cover onto the remote loom cable.

This Section outlines the production software history for each T2000 Series II model, and explains how to identify which software version is used. The following topics are covered in this Section:

Section 9.1 9.2 9.2.1 9.2.2 9.2.3 9.2.4 9.2.5 9.2.6 Title Identifying The Software Version Number Software History T2010 & T2015 Radios T2020 Radios T2030 & T3035 Radios T2040 Radios T2050 Radios T2060 Radios Page 9.2 9.3 9.3 9.4 9.5 9.6 9.7 9.8

To read the radio software version of a T2000 Series II radio, hold in the PTT switch when turning on the radio. The version number will then be displayed briefly on the radios front panel, using either the LEDs, the 7 segment display panel or a combination of both. Where LEDs are used, they indicate Binary Coded Decimals (BCDs), with the most sig-

nificant bit to the left. The examples below show how each radio displays Version 3.02.

This is not necessarily a valid radio software version.

BUSY TX 1 2 3 4

The major version number is indicated as a BCD by the Busy and Tx LEDs. (3 in the example on the right.)

The two digit minor version number is indicated as BCD digits by the two lower rows of LEDs. (0 on the middle row and 2 on the lower row in the example.)

The major version number will be indicated as a binary coded decimal (BCD) by the Busy and Tx LEDs.

The minor version number is shown in the two digit display.

SVC WAIT GO TX BUSY C1 TX C2 C3 C4 Fn

The major version number is indicated as a binary coded decimal (BCD) by the top row LEDs.

The two digit minor version number is indicated as BCD digits by the two lower rows of LEDs.

The full version number is shown in the display.

The full version number is shown in the display. BUSY TX WAIT

The following tables outline the production software history for each T2000 Series II radio.

Previous revisions of the software cannot be used on Series II radios.

Radio Software Version Release Date PGM Software Compatibility Changes From Previous Version 2.20 6/12/96 PGM201X v1.22 Original

Radio Software Version Release Date PGM Software Compatibility Changes From Previous Version 5.10 13/12/96 PGM2020 v2.31 Original

Radio Software Version Release Date PGM Software Compatibility Changes From Previous Version 3.10 6/12/96 PGM203X v1.34 Original

Radio Software Version Release Date PGM Software Compatibility Changes From Previous Version 5.20 6/12/96 PGM2040 v2.45 Original

Radio Software Version Release Date

PGM Software Compatibility Changes From Previous Version Non-Trunked Trunked 1.05 13/3/96 PGM2020 v2.31 PGM2040 v2.45 Original

Radio Software Version Release Date PGM Software Compatibility Changes From Previous Version 1.04 28/11/96 PGM2060 v1.03 Original

 

 

9 8 4 3 2 1 0

A B C D E F G H I J L M N O P Q R S T U V W TCXO & TX-AUDIO PCB

(IPN:220-01201-00) FROM +8V REGULATOR ON CNTRL-PCB, VIA P1 PIN-9

+8V-SYNTH

+8V-SYNTH

+8V-SYNTH REF-MOD GND 10 P6 4 P6 5 P6 2 P6

6 34002D IC204

5 7 P6 7 P6 6 P6 9 P6 3 P6 1 P6 8 LF-SIG MOD AF-SIG GND TCXO TX-AF R213 3K9

*R133 3K9

*C120 47U

*R135 220K C203 4U7 4V0

*Q119 BC848

*R154 22K

*R139 10K

*R166 22K

+8V

*R167 10K

*Q118 BC848

*Q117 BC848

*R168 6K8 R197 100 R199 100 C174 47U C175 100N C176 100N R196 100 2V7 1V.P-P.TYP

@.60%-MOD R160 10 4 6 L119

#655 1 2 3 C181 47N C180 47N 9 AF OUT 13 RSSI 8 QUAD 7 DEC 6 DEC 4 VCC 1 5 16 IC101 3371D 2 3 LIM IN GND 15 K

+13.8V 7808ACT IC403 VREG 1 VIN VOUT 3 GND 2 7805ACT IC404 VREG 1 VIN VOUT 3 C419 100N GND 2

+8V-OUT TO CNTRL-PCB ONLY, VIA P2 PIN-9 R428 22 R422 22 C423 56U C424 4U7 C430 56U Q401 BC857 R430 6K8 C426 4N7 3 2 1 6 L401

#650 4

+5-VOLTS PIN-7 C420 100N TO LOOM CONNECTOR P2 R429 27K R431 100K C425 4U7

+30V TO LOOP-FILTER PIN-8 IC202, R434 47 3 3 2 BAV70 D401 1 BAV70 D401 Q402 BC817 R432 10 R433 100 C427 4U7 C429 1N0 C428 4U7

+13V-ECON

+13.8V-UNSW TO LOOM CONNECTOR P2 PIN-6

& RF POWER-AMP

(VIA R1) L1

#4S3B D1 18V C415 1000U C1 1N0

+13.8V-ECONOMY FROM CNTRL PCB VIA P2-PIN 5 R425 1K0 0 1 4 C 7 U 4 AUDIO PA C412 47U 5 SB 3 VCC 4 6

1020 BS O/P 8 2 7 GND SUB 1 9 IC402 PCB-GND TRACK-FUSE C414 470U C416 1N0 R426 4R7 R427 4R7 C413 100N C2 1N0 C3 1N0

+8-VOLTS C187 1N0 R156 100 R198 2K2 C199 1N0 R159 47

*R162

*R163 0 D 0

*Q116 BFR31 S G C197 100N

*R164 470K C411 100N C403 470P IF PCB

(IPN:220-01201-00) SK7HMCH 13.8V-UNSW GND GND AUDIO IGN EXTRNL SPKR GND R K P S L N R T X E R O F T U C P3 6 P3 3 P3 5 P3 4 P3 7 P3 1 P3 2 C451 1N0 C455 1N0 PL2U P7 1 SPKR GND P7 2 INT SPKR INTERNAL SPKR

*R151 3K3

*C190 470P 3371D IC101 10 11

*C189 470P 47K RV153 2 1 R161 CW 3 1K0

*R152 390K TYP:4V0.DC.@-70DBM.INPUT NOT334 C179 10N C191 1N0 C198 220P R157 10K C193 4U7 TYP:650MV.P-P.@-70DBM.INPUT C192 33P R155 100K R158 1K0 R138 100K 3371D IC101 12 14

*R194 0 CMPRTR-OUT Q115 BC848

*R165 560K FILTER AF-OUT

+8VOLTS QUAD-COIL DETECT-AUDIO 455-OUT NSE-DET P5 10 P5 7 P5 1 P5 8 P5 9 P5 5 P5 6 P5 3

+8V R216 47 NOT965 C201 1N0 R215 3K9

2 8 34002D IC204

4 3 1 R214 1K8 C202 47U R418 680 R195 68K C194 1N0 C195 1N0 4V0 7 PDL16M C207 10N DET-AF 6 C188 100P R224 8K2 R226 8K2 R227 8K2 GND RSSI BUSY GND LF-SIG MOD AF-SIG CLK DATA ENABLE

+5V GND 1 P1 2 P1 3 P1 4 P1 5 P1 6 P1 7 P1 8 P1 9 P1 10 P1 11 P1 12 P1 13 P1 14 P1 15 P1 16 P1

+8V-SYNTH

+8V

+8V-SYNTH

+8V 5 LCK-DET

+5V P1 TO CONTROL PCB REF-MOD ADJ 47K RV222 2 1 CW 3 Q203 BC848 R223 22K R225 22K LOCK=5V UNLOCK=0V 2 3 BAV70 D202 R228 3K3 SYNTHESISER C200 10N 6 GND EN CLK DATA F 11 9 10 8 13 R F 3 V F PV PR OUT LD 15 16 5 7 PD 145158-2 SYNTHESISER IN IN OUT OSC OSC 2 1 IC201 OUT REF 14 MC 12

+V 4 I/OPAD

*R170 2K2 PAD-1 6V.P-P.MAX C142 10N

+30V R217 47 NOT567 3 8

IC202 33078D 2

4 1 R248 100K D200 BAV99 R242 22 2 NOT867 3 3 1 D200 BAV99 6V2 R243 2K2 C222 100N C225 1N0 Q204 BC848

+5V R231 180 R232 2K2 Q206 BC848 Q208 BC848 R229 22 C215 4U7 R230 390 R233 680 0V6 Q205 BC857

+8V-SYNTH R236 47 R234 270 C218 4U7 Q207 BC857 5V75 R235 330 C216 10N R237 100 7V6 R241 1K8 C221 C220 1U0 15N R239 22K D Q210 BFR31 SG C257 Q209 BC857 18P C217 47U R240 100K C219 47U R238 8K2 C214 1N0 C213 47U LOOP FILTER

+5V R245 22 PRESCALER C223 1N0 VCC2 2 7 REG MC12016 8 VCC 3 OUT 5 IN DIVIDER MOD BP 6 1 GND 4 IC203 R246 100 C224 1N0 C241 10N

C243 1N0 C245 18P R269 10 RX=4V2 TX=5V9 R273 10 C126 22P C124 22P 1ST MIXER

+8V L200 M21B C205 1N0 CONTROL-VOLTS FREQ 66MHZ 88MHZ TX 4V6 10V6 RX 7V4 14V0 R247 47 L205 3U3 1 2 2 1 D203 BB419 D204 BB419 L206

#1009 D205 BB419 D206 BB419 1 2 2 1 C239 10N R250 2K2 Q213 BC848 R261 R255 R254 R260 L208 10 10 C248 10N 22 C246 10N 27 5.5T/4.0 L300, DUAL SMALL 4S3 BEADS L308, L309 BAT18 D209 R272 180 R274 3K9 3V4 R300 68 R305 10 R249 10 L207 3U3 D S G Q212 BF512 C229 47U 7V06 1V6 C226 1P8 C227 1N0 R259 270 7V14 C228 1N0 C230 10N C231 4P7 R253 680 R251 150 Q215 BFS17 Q214 BFS17 3 2 3 2 R256 1K8 L210 8.5T/4.0 R252 1K2 R257 10 C232 15P BAT18 D208 R271 180 C240 1N0 R270 10 R275 10 C301 1N0 PIN SWITCH R302 1K0 L301 5.5T/3.0 C302 27P 0V7 PWR-CNTRL R333 2K2 L312 330NH Q303 BC848

#4S3B Q304 BD234 C356 1N0 C315 1N0 L306 M21B R312 680 TX:12V0 R335 10K R334 56K R336 220 Q307 BC807 L303 3U3 R307 470 C303 100N R306 10 C310 4N7 Q302 MRF3866 C309 L305 8.5T/3.0 6 7 1 4 2 3 5 8

#4S3B 1N0 L313 L307 7.5T/3.0 3.5T/2.5 C311 47P C312 120P Q309 BC848 R308A 10 R308 10 R309 10 R310 10 C360 150P R311 820 C307 100N TX:8V0 C304 1N0 L302 3.5T/4.5 R303 1K0 L304 2.5T/3.5 C305 120P R301 330 Q301 951 C306 120P

R304 47 4S3 L300 4S3 C185 10N C186 10N

+8-VOLTS R117 10 R118 100 C130 10N R119 10 TYP:3V1.DC

@-70DBM.INPUT 4V0 C147 10N C129 10N R114 820 R115 12K Q103 951 RX-FREQ CONTROL-VOLTS C206 100N 66MHZ 88MHZ 3V7 7V0 39P C134 C135 180P

+8-VOLTS R125 10K R126 10K L116

#662 C138 10N 4V0 C136 5P6 L114

#662 C137 180P DELAY LINE D B S G Q104 BSS83 R127 10K C141 39P R129 47 R128 150 R132 150 R437 1K0 R420 R420A 39K 3K3 R287 82K UNDER-WALL DECOUPLING C128 10N R286 15K C234 4U7 RX-TUNE VOLTAGE

+8V-SYNTH R278 100K R285 39K R421 39K R421A 3K3 R244 22 L109 68NH C125 12P

+8V TX DELAYED 5

IC202 33078D 6

7 R288 120K C127 39P L107 RF BALUN 4 6 3 2 1 R284 10K C123 10N

+8V

+8-VOLTS L120 M21B C158 10N C149 10N R113 4R7 R116 4R7 C151 100N R120 820 RX-FREQ CNTRL-VOLTS 66MHZ 88MHZ 5V8 12V8 Q100 BFR31 D SG R121 180 C148 47P R142A 100K R141 1K5 R140 68K Q105 951 C152 100P 2 3 D140A BAT18 Q106 BC848 R153 1K0 C150 100P NOISE BLANKER

+8-VOLTS 8V0.AT.REST R146 22 R144A 120K R147 220 R148 560 BFS17 Q108 R145A 33K R143 33K R145 1K5 C153A 100P R144 68K Q107 BFS17 C157 100N 0V.AT.REST R131 270 C146 270P R140A 33K C152A 10N C153 4U7 R143A 33K R142 27K C154 10N C145 100P R150 100K C116 1N0 R124 100K R108 100K R106 100K L108 RF BALUN 3 2 1 4 6 R109 0 R110 1M0 R111 1M0 R123 100K C114 1N0 1 D103A 2 BB419 1 D103 2 BB419 L106

#669 R122 100K C111 1N0 D102A 1 2 BB419 R107 100K D101A 1 2 BB419 R104 82 D102 1 2 BB419 L105

#669 C108 D101 1 2 1N0 BB419 L104

#669 C122 1N0 R112 18 C121 100P C115 27P C112 33P C113 270P C110 270P C109 27P C107 100P R137 4R7 R136 4R7 C106 1N0 4V7 C105 10P R100 470 Q101 951 R105 18 Q102 BC857 R102 560 R134 10 C103 10N C100 10N

+8-VOLTS R103 2K2 C104 100N R101 3K9

+13V-ECON

+13.8V-UNSW

+5-VOLTS

+13.8V

+8V-OUT

+8-VOLTS R326 220K 3 3 3 3 2 1 2 1 BAT17DS D110 BAT17DS D110 BAT17DS D111 BAT17DS D111 R342 1K8 Q308 BC807 C321 100N R323 10 R314 10 R339 270K 4S3 L309

#4S3B

R321 390 R321A 390 L310 3.5T/4.0 C313 680P R338 680 C357 100N L314 8.5T/4.5

+13.8V-UNSW C318 1N0 C316 1N0 C317 1N0 RF-PA L315

#18

(3B BEAD) C300 4U7 C319 100N R322 10 R318 180 L318 2.5T/3.0 C327 680P

+8V-TX

#18

(3B BEAD) L324 R350 R325 10 10 R319 180 C326 47N Q306 MRF1946A R316 22 D E T N R P I L317

#18

(3B BEAD) C328 1N0 R317 1R0 R317A 1R0 R317B 1R0 R317C 1R0 L331 M21B C102 180P 470K RV324 2 1 CW 3 R337 0 R327 1K0

(FROM +8V REGULATOR) R328 150 L319 3U3 C337 1N0 C101 56P L101 8.5T/4.5 L329 1.5T/3.5 C347 27P R340 220K R330 220K C345 1N0 C336 68P L322 4.5T/4.5 C354 N.F. C348 1N0 C349 1N0 C353 1N0 D301 1SS97 R341 220 R329 47K C346 15P L326 8.5T/4.5 R332 100 S4 I/OPAD COUPLER 1.5T/2.5 L327 L316 3.5T/4.0 C333 56P D303 UM9401 C338 22P C350 82P C329 150P C330 120P C334 39P D305 BA482 TX=0V7 RX=0V L323 5.5T/3.5 5.5T/3.0 L328 C340 56P C341 82P L332 1.5T/2.0 L330 3.5T/2.5 L321 8.5T/4.5 L320 5.5T/4.0 C343 2N2 C342 10P D304 UM9401 C339 22P C344 47P R320 15K C308 100N R313 180 Q305 BFQ43 R315 18

4S3 L308 4S3 2.5T/3.0 C320 L325 L311 1N0 1.5T/3.0 C322 47P C323 270P C325 680P P2 TO CNTRL PCB PDL12M AUDIO-PA 4 P2 1 P2 2 P2 3 P2 4 P2 5 P2 6 P2 7 P2 8 P2 9 P2 10 P2 11 P2 12 GND EXTRNL IGN 3

+13V-ECON

+13.8V-US

+5-VOLTS

+13.8V

+8V-OUT

+8VTX PWR-SENSE PWR-CNTRL 2 MIXER GND 4 P5 2 P5 C140 10N R149 0805 Q109 BF824 C156 22P C155 100P 9 8 7 6 5 1 0 10A 10A 9A 8A 7D 7A 6B 6A 5A IMPROVED TEXT PLACEMENT ADDED CAPS FOR EMC CREATED A VARIANT TABLE FOR DUAL BAND. ADDED PROGRAMMABLE BAND-WIDTH CCTRY. CAD-WANG. MODS TO IMPROVE MANUFACTURABILITY. CHANGED NOISE BLANKER VARIANTS. ADDED NOISE-BLANKER. ADDED R420A & R421A. MODS TO NOISE-BLANKER & CHANGED BBY40 DIODES TO BB249 REV/ISS A AMENDMENTS B C RPS DBH YH J.F. MC MC J.F. J.F. J.F. DRAWN J.F. KB J.F. J.F. J.F. CHKD D 25/5/95 29/8/94 24/7/93 26/11/92 28/10/92 18/9/92 DATE DE D.O. MB M.L. M.L. M.L. APVD E F G H I J L M N O P S T U V

*R133

*R135

*R139

*R151

*R152

*R154

*R162

*R163

*R164

*R165

*R166

*R167

*R168

*R170

*R194

*C120

*C189

*C190 390KS 390KS 390KS 220KS

22KS 0S 0S 0S 0S 0S 0S

0S 0S 0S

18KS 3K3S 470KS 560KS 22KS 10KS 6K8S 2K2S 390KS 47UFI16A 470PS 470PS 470PS 150PS 470PS 470PS 470PS 150PS

*BAND NARROW MID WIDE

DUAL-BAND 3K9S 220KS 10KS 3K3S 3K3S 3K3S 1K5S K

*Q116

*Q117

*Q118

*Q119

BFR31 BC848 BC848 BC848

Q

R TAIT ELECTRONICS T2000-200 MID-BAND MOBILE RADIO WITH DUAL-BAND OPTION IPN:

220-01202-10 ISSUE:

A PROJECT:

T2000 DESIGNER:

JOE FILE NAME:

2K2MBL0A ID:

2.SC. 1 FILE DATE:

18-10-96 NO.SHEETS:

2 W

A B C D E F G H J K L M N P Q R 9 8 7 6 5 4 3 2 1 0 P3 7WAY SIDE ENTRY SKT P7 2 WAY PLUG P2 12 WAY PADDLE CONNECTOR P1 16 WAY PADDLE CONNECTOR NOT965 8 V+

IC204 34002D 4 V-

NOT567 8 V+

IC202 33078D 4 V-

NOT867 SHIELD A3M2594 RX SHIELD

+8-VOLTS NOT334 1 IN 2 OUT OUT OSC MIXER 3371D IN 16 3 IC101 P5 2X5 WAY TOP ENTRY PLUG P6 2X5 WAY TOP ENTRY PLUG TOPFIDA FIDUCIAL TOPFIDB FIDUCIAL H/SINK A4M2524 HEATSINK 8

IC402 1020 7 REV/ISS AMENDMENTS DRAWN CHKD D.O. APVD DATE

TAIT ELECTRONICS T2000-200 MID-BAND MOBILE RADIO POWER PINS, CONNECTORS ETC. IPN:

220-01202-10 ISSUE:

A PROJECT:

T2000 DESIGNER:

JOE FILE NAME:

2K2MBL0A ID:. 2.SC. 2 FILE DATE:

18-10-96 NO.SHEETS:

2

9 8 7 6 5 4 3 2 1 0 A B C D E F G H I J K M N O P R S T U V W

Q 3 3 2 BAV70 D401 1 BAV70 D401 Q402 BC817 C430 56U C431 10N Q401 BC857 R430 6K8 C426 4N7 3 2 1 6 L401

#650 4 R431 100K C425 4U7 TO LOOP-FILTER PIN-8 IC202, R432 10

+30V R434 47 R433 100 C427 4U7 C429 680P C428 4U7 0 1 4 C 7 U 4 AUDIO PA

+13V-ECON

+13.8V-UNSW TO LOOM CONNECTOR P2 PIN-6

& RF POWER-AMP

(VIA R1) SK7HMCH

+13.8V-ECONOMY FROM CNTRL PCB VIA P2-PIN 5 R425 1K0 L1

#4S3B C415 1000U D1 MR2520 C1 1N0 13.8V-UNSW C412 47U 5 SB 3 VCC 4 6

1020 BS O/P 8 2 7 GND SUB 1 9 IC402 PCB-GND TRACK-FUSE C414 470U C416 1N0 R426 4R7 R427 4R7 C413 100N C2 1N0 C3 1N0

+13.8V

+8V-OUT TO CNTRL-PCB VIA P2 PIN-9 R428 22 C423 56U R422 22 C424 4U7

+5-VOLTS TO LOOM CONNECTOR P2 PIN-7 7808ACT IC403 VREG 1 VIN VOUT 3 L GND 2 7805ACT IC404 VREG 1 VIN VOUT 3 GND 2 R199 100 C419 100N C420 100N R429 27K

+8-VOLTS R198 2K2 C199 1N0

*R168 4K7 C174 47U C175 100N C176 100N R197 100 R196 100 R160 10 C180 100N 4 6 1 2 3 C181 100N L119

#655 R156 100 C187 1N0 C196 100N

*R162

*R163 18K 3K3

*Q116 BFR31 D S G AF-OUT

+8VOLTS R159 47 C411 100N C403 470P 8 QUAD 7 DEC 6 DEC 4 VCC 1 5 16 IC101 3371D 2 3 LIM IN GND 15 9 AF OUT 13 RSSI

*C190 150P C179 10N

*R151 1K5 R157 10K C193 4U7 R155 100K C192 33P R158 1K0 R138 100K

*C189 150P

*R152 220K IC101 10 11 3371D 47K RV153 2 1 CW 3 R161 1K0 C191 1N0 C198 220P Q115 BC848 IC101 3371D 12 14

*R194 390K

*R164 470K C197 100N

*R165 560K

*R170 2K2 I/OPAD PAD IF PCB MIXER GND 4 P5 2 P5 P5 10 P5 7 P5 1 P5 8 P5 9 P5 5 P5 3 P5 6 3 2 IF-B/W DETECT-AUDIO 455-OUT NSE-DET FILTER CMPRTR-OUT P3 6 P3 3 P3 5 P3 4 P3 7 P3 1 P3 2 GND GND AUDIO IGN EXTRNL SPKR GND R K P S L N R T X E R O F T U C C451 1N0 C455 1N0 PL2U P7 1 SPKR GND P7 2 INT SPKR INTERNAL SPKR P6 7 P6 6 P6 9 P6 3 P6 1 LF-SIG MOD AF-SIG GND TCXO

+8V-SYNTH

+8V-SYNTH TX-AF REF-MOD GND 10 P6 4 P6 8 P6 5 P6 2 P6 I = 23.0MA

+8V

+8V-SYNTH FROM +8V REGULATOR ON CNTRL-PCB, VIA P1 PIN-9

*R130 4K7

*Q120 BC848

*R129 0

*R136 220K

*Q119 BC848

*R134 4K7

*C120 47U

*R137 10K

*R154 22K

*R139 10K

*R166 2K2

+8V

*R167 10K

*Q118 BC848

*Q117 BC848 5V7 TCXO & IF PCB C194 680P R195 68K C195 680P 7 PDL16M DET-AF 6 C188 100P C207 10N

+8V-SYNTH

+8V

+8V-SYNTH

+8V 5 LCK-DET GND RSSI BUSY GND LF-SIG MOD AF-SIG CLK DATA ENABLE

+5V GND 1 P1 2 P1 3 P1 4 P1 5 P1 6 P1 7 P1 8 P1 9 P1 10 P1 11 P1 12 P1 13 P1 14 P1 15 P1 16 P1

+5V P1 TO CONTROL PCB 6V7 R218 12K X3 MULTIPLIER C209 10N C233 4U7 R219 270 4V6 R222 47 C230 4N7 R282 120 Q211 BC807 C211 150P Q202 BC848 4V9 C210 10N 1V9 0V 6V2 R214 1K2 Q201 BC857 C208 10N R213 330 2V3 R220 6K8 R221 330 L202 100NH C247 4P7 L203

#662 C212 3P9 C244 6P8 38.4MHZ OUT 0.15V 47K RV222 2 1 CW 3 REF-MOD ADJ R224 10K Q203 BC848 R226 10K R227 10K R223 22K R225 22K Q204 BC848

+5V R231 180 R232 2K2 Q206 BC848 Q208 BC848 R229 22 C215 4U7 R230 390 4V3 Q205 BC857 2 3 BAV70 D202 R228 3K3 SYNTHESISER C200 10N 6 GND EN CLK DATA F 11 9 10 8 13 R F 3 V F PV PR OUT LD 15 16 5 7 PD 145158-2 SYNTHESISER IN IN OUT OSC OSC 2 1 IC201 OUT REF 14 MC 12

+V 4 R418 680 R241 1K2 C220 15N R236 47 R234 180 C218 4U7 Q207 BC857 5V35 R235 330 C216 10N R233 680 0V6 Q209 BC857 C217 47U SG C257 18P R238 8K2 R237 100 7V75 C221 1U0 R239 22K D Q210 BFR31 R240 100K C219 4U7 C214 680P C213 47U LOOP FILTER 6V2 C235 10N R262 2K2 PRESCALER DIVIDE-BY.64/65 136-201.7MHZ

+5V R245 22 2 VCC 7 NC MC IC203 12022AD IN 1 6 4 OUT SW 3 IN 8 GND 5 R246 470 C223 680P C224 680P

+8V-SYNTH

+30V FROM REGULATOR

+5DBM/50.OHM C185 10N C186 10N

+8-VOLTS R117 10 R118 100 C130 10N R119 10 C134 C136 10P 27P L114

#662 C133 270P C135 150P C138 27P C137 680P C140 10P L116

#662 DELAY LINE C141 270P L117 4 6 1 RF BALUN C129 10N R114 820 R115 12K Q103 951 C147 10N 4V0 3 2 BAT18 D105 L118 4 3 2 1 RF BALUN 6 D107 1 3 BAT17DS D107 2 BAT17DS D108 3 BAT17DS 2 3 D108 3 1 BAT17DS R132 2K2 R437 1K0 2 3 D106 BAT18 C160 270P R278 100K 7

+8V

+8-VOLTS C128 33P L110 1U0 R112 47 C127 56P L120 M21B C158 1N0 C149 10N R217 47 C206 100N CONTROL VOLTS RX-FREQ RX 136MHZ 174MHZ 7V8 13V0 TX 4V5 9V2 3 8

IC202 33078D 2

4 1 2 3 3 1 D200A D200 BAV99 D200B

+8V-SYNTH R248 100K R285 15K R287 100K R242 22 R420 R420A 56K 0 R243 2K2 C222 100N C225 680P R421 56K R421A 0 R244 22 L109 2.5T/3.5 C125 6P8 5

IC202 33078D 6

R288 180K C236 39P RF BALUN L107 3 2 1 4 6 C126 22P C124 22P 1ST MIXER 3 3 3 3 2 1 2 1 BAT17DS D110 BAT17DS D110 BAT17DS D111 BAT17DS D111 R286 6K8 C234 4U7 R284 10K C123 10N UNDER-WALL DECOUPLING RX-TUNE VOLTAGE C142 33P R113 4R7 R116 4R7 RX-FREQ CONTROL-VOLTS 136MHZ 174MHZ 6V5 13V5 C151 100N R120 820 R153 1K0 Q100 BFR31 C150 D 100P R141 1K5 R140 68K R121 180 C148 18P SG R140A 33K Q105 951 C152A 10N R142A 100K R145 1K5 C152 100P 2 3 D140A BAT18 Q106 BC848 R143A 33K R144 68K C153A 100P Q107 BFS17 C153 4U7 R142 27K L108 RF BALUN 3 2 1 4 6 R123 100K R124 100K R122 100K R108 100K R107 100K R106 100K R104 120 R109 0 R110 150K R111 150K 1 D103 2 BB419 C115 8P2 C114 680P C121 33P L106

#668 C111 680P D102 1 2 BB419 L105

#668 C116 680P D101 2 1 BB419 L104

#668 C122 680P R100 180 C105 1P8 C113 120P C110 120P C112 10P

+8V-TX C109 8P2 C107 33P Q101 951 D E T N R P I

+8V-TX DELAYED

+8-VOLTS R146 R147 22 220 R144A 120K R145A 33K R143 33K C154 10N 8V0.AT-REST NOISE BLANKER R148 560 R149 0805 C157 100N Q108 BFS17 R162 0 C155 100P Q109 BF824 Q110 BFS17 R133 270 R135 10K R131 100 C145 100P 0V.AT-REST R150 100K R105 18 C106 680P Q102 BC857 R125 10 C108 10N C100 10N R102 560 R101 3K9 C102 47P R103 2K2 C104 100N C103 PRINTED 22P D E T N R P I

+8-VOLTS

+13V-ECON

+13.8V-UNSW

+5-VOLTS

+13.8V

+8V-OUT R326 220K L101 4.5T/4.5 L331 M21B P2 TO CNTRL PCB PDL12M AUDIO-PA 4 P2 1 P2 2 P2 3 P2 4 P2 5 P2 6 P2 7 P2 8 P2 9 P2 10 P2 11 P2 12 GND EXTRNL IGN 3

+13V-ECON

+13.8V-US

+5-VOLTS

+13.8V

+8V-OUT

+8VTX PWR-SENSE PWR-CNTRL 2

+8V L200 M21B C205 680P R261 R255 R254 R260 L208 10 10 47 18 5.5T/3.0 C239 10N R250 2K2 Q213 BC848 C248 10N C246 680P C245 12P C243 680P

+6DBM/50.OHM

L300 DUAL SMALL 4S3 BEADS PWR-CNTRL R247 47 L205 820N C229 47U R249 10 7V1 6V9 L207 820N C228 680P C226 2P2 C227 680P R259 220 1 2 2 1 D203 BB419 D204 BB419 L206

#1008 D205 BB419 D206 BB419 1 2 2 1 Q212 MMBFJ310 D S G 2V03 R253 820 1V7 R269 10 BAT18 D209 3 2 3 2 L210 5.5T/3.0 C232 6P8 1V25 1V27 BAT18 D208 R251 120 4V0

+9DBM/50.OHM R256 1K5 R257 1K2 C231 680P Q214 951 R258 10 R252 1K8 Q215 951

+8V-TX TX:+4V3 RX:+3V3 TX:3V4 C304 1N0 2 0 3 L 0

4 T 5

. 4 R302 1K0 TX:8V0 C360 680P TX:12V0 C307 100N R305 10 C303 100N R306 10 R300 68 R303 680 C241 680P R273 10 R272 150 R274 3K9 C240 680P R271 150

+6DBM/50.OHM L301 2.5T/4.0 C302 5P6 R270 10 R275 10 C301 1N0 PIN SWITCH C305 22P L304 2.5T/3.5 R301 330 Q301 951 C306 22P

R304 22 4S3 L300 4S3 Q302 MRF4427 2 3 5 8 4S3 6 7 1 4 L305 L313 4.5T/4.0 2.5T/5.5 C309 18P C308 680P C312 3P9 R309 33 R313 33 R308 330 C313 47P 7 0 3 L 0

5 T 5

. 1 R310 330 R333 2K2 Q303 BC848 R312 680 R311 820 Q304 BD234 C315 680P L306 M21B L312 330NH C318 680P L309

#4S3B C316 680P C317 680P

+13.8V-UNSW TX:13V3 R319 330 TX:0V7 L310 1.5T/4.0 C321 100N R314 10 C319 680P L311 4.5T/4.0 R324 180 L314 4S3 C326 1N0 C327 100N R317 10 L315 3B BEAD R318 10 R318A 10 C342 220P C300 4U7 C323 680P Q307 BC848 R336 680 C355 100N 4 2 3 L 0

4 T 5

. 1 C356 1N0 R331 270K R334 56K R335 1K8 R339 10K R338 220 Q308 BC807 Q309 BC807 C347 8P2 TX:0V7 RX:0V R329 47K TP301 I/OPAD C345 680P L303 1U5 R307 680 C310 680P 2 3 D302 BAV70 C328 10N R322 22 L308 4S3 C311 100N D E T N R P I R325 180 C320 56P L316A 1.5T/3.0 L316 1.5T/3.0 PRINTED C314 120P R315 47 Q305 BFQ43 C322 30P C325 270P R323 10 D E T N R P I L326 4S3 R316 10 C352A 27P C352 27P C329 82P C330 100P PRINTED Q306 MRF1946A L327 L317 C333 D303 PRINTED 528 1.5T/5.5 680P UM9401 C336 680P L322 L323 L325 2.5T/4.0 1.5T/4.0 2.5T/4.0 COUPLER S4 I/OPAD C331 68P C334 22P C335 5P6 D304 UM9401 C340 68P C341 68P C339 33P C332 15P C351 30P R320 15K 470K RV324 2 1 CW 3 R337 R327 0 1K0 R340 220K R330 220K C348 680P C349 680P C353 1N0 C346 12P 8 1 3 L 5

3 T 5

. 8 R341 220 D301 1SS97 R332 100 R328 150 L319 1U5 C337 680P L320 5.5T/4.5 C338 33P L321 820N C352A SOLDERED TO Q306 COLLECTOR 1A P6 P5 P2 P1 CHANGED VALUES OF R219,C230,R149,C156 TO R162. ADDED 1N0 CAPS FOR EMC PROBLEM(BY P3) ADDED A DUALBAND CIRCUIT FROM ISSUE P2 UPDATED FOR BOM COMPARISON. PROGRAMMABLE T2K3, CLONED OFF 2K3VFL7B REV/ISS A AMENDMENTS B C YH YH YH J.F. J.F. DRAWN J.F. J.F. CHKD D D.O. 15/12/95 02/11/95 01/8/95 24/5/94 28/3/94 DATE APVD E

*TYPE

*R129 DUALBANDWIDTH STANDARD

0S

*R130 4K7S 0S

*R134 4K7S

*R136 220KS

*R137 10KS

*R139 10KS

*R151 1K5S 3K3S

*R152 220KS 390KS

*R154 22KS

*R162 18KS

*R163 3K3S

*R164 470KS

*R165 560KS

*R166 2K2S

*R167 10KS

*R168 4K7S

*R170 2K2S

*R194 390KS

*C120 47UFI16

0S

*C189 150PS 470PS

*C190 150PS 470PS

*Q116 BFR31

*Q117 BC848

*Q118 BC848

*Q119 BC848

*Q120 BC848

K

L

M F G H I J N O P Q R S T U V TAIT ELECTRONICS T2000-300 VHF MOBILE RADIO PROGRAMMABLE IPN:

220-01314-01 PROJECT:

DESIGNER:

2K3 DUAL-BAND JOE ISSUE:

A FILE NAME:

2K3DBL1A ID:

2.SC. 1 FILE DATE:

18-10-96 NO.SHEETS:

2 W

9 8 4 3 2 1 0

9 8 7 6 5 1 0

A B C D E F G H J K L M N P Q R 9 8 7 6 5 4 3 2 1 0 P6 2X5 WAY TOP ENTRY PLUG P1 16 WAY PADDLE CONNECTOR P3 7WAY SIDE ENTRY SKT P2 12 WAY PADDLE CONNECTOR P7 2 WAY PLUG P5 2X5 WAY TOP ENTRY PLUG 16 IN 3 OUT 3371D MIXER OSC IN 1 OUT 2 C179 10N IC101

+8-VOLTS 8 IC402

+ 1020 7 C206 100N

+30V R217 47 8 V+

IC202 33078D 4 V-

2 3 3 1 D200 BAV99 D200 BAV99 BOTFIDA FIDUCIAL TOPFIDA FIDUCIAL SHIELD A3M2594 RX SHIELD BOTFIDB FIDUCIAL TOPFIDB FIDUCIAL H/SINK A4M2524 HEATSINK 1A PROTO-1 REV/ISS UPDATE INCLUDES MERGE OF TCXO & IF BOARDS UPDATED FROM P1 AMENDMENTS J.F. J.F. DRAWN CHKD D.O. APVD DATE 24/5/91 20/9/90

TAIT ELECTRONICS T2000-300 VHF MOBILE RADIO PROGRAMMABLE IPN:

220-01314-01 PROJECT:

DESIGNER:

2K3 DUAL-BAND JOE ISSUE:

A FILE NAME:

2K3DBL1A ID:. 2.SC. 2 FILE DATE:

18-10-96 NO.SHEETS:

2

9 8 7 6 5 4 3 2 1 0

A B C D E F G H I N O P Q R S T U V W P6 7 P6 6 P6 9 P6 3 LF-SIG MOD AF-SIG GND P6 1 TCXO TCXO & TX-AUDIO PCB

(DWG NO-C731, IPN:220-01201-00) FROM +8V REGULATOR ON CNTRL-PCB, VIA P1-PIN 9

+8V-SYNTH

+8V-SYNTH

+8V-SYNTH TX-AF REF-MOD GND 4 P6 10 P6 8 P6 5 P6 2 P6 R214 680 R218 12K C209 10N C233 4U7 4V6 R219 270 R282 120 2V3 Q211 BC807 C230 4N7 R222 47

+8V 0V C212 3P9 R220 6K8 R221 330 C211 150P L202 100NH C247 4P7 L203

#662 C244 6P8 38.4MHZ OUT

+5DBM/50.OHM J I/OPAD R199 100 TP2 K

+13.8V L 7808ACT IC403 VREG 1 VIN VOUT 3 GND 2 7805ACT IC404 VREG 1 VIN VOUT 3 C419 100N GND 2 M R428 22

+8V-OUT TO CNTRL-PCB VIA P2 PIN-9 R422 22 C423 56U C424 4U7 C430 56U

+5-VOLTS TO LOOM CONNECTOR P2 PIN-7 C420 100N

+8-VOLTS 3 3 2 BAV70 D401 1 BAV70 D401 Q402 BC817 Q401 BC857 3 2 1 6 4 L401

#650 R430 6K8 C426 10N R429 27K R431 100K C425 4U7 C174 47U C175 100N C176 100N 4 R160 10 C180 100N 1 2 3 100N C181 6 L119

#655 R197 100 R196 100 R156 100 C187 1N0 1V0.P-P 60%-MOD 3V0 R151 3K3 8 QUAD 7 DEC 6 DEC 4 VCC 1 5 16 IC101 3371D 2 3 LIM IN GND 15 9 AF OUT 13 RSSI C190 470P C179 10N C189 470P 10 IC101 3371D 11 R152 390K 47K RV153 2 1 R161 CW 3 1K0 C191 1N0 C198 1P0 R198 2K2 C199 1N0 R157 10K C193 4U7 R155 100K C192 33P R158 1K0 Q115 BC848

+13.8V-UNSW TO LOOM CONNECTOR P2 PIN-6

& RF POWER-AMP

+13.8V-ECONOMY FROM CNTRL PCB VIA P2-PIN 5

+13V-ECON R425 1K0 C410 4U7

+30V TO LOOP-FILTER PIN-8 IC202, R432 10 R434 47 AUDIO PA R433 100 C427 4U7 C429 1N0 C428 4U7 L1

#4S3B D1 MR2520 C414 470U R426 4R7 R427 4R7 C415 1000U C412 47U 5 SB 3 VCC 4 6

1020 BS O/P 8 2 7 GND SUB 1 9 IC402 C416 1N0 C413 100N C2 1N0 C3 1N0 C411 100N C403 470P C1 1N0 C451 1N0 SK7HMCH 13.8V-UNSW GND GND AUDIO-O/P IGN EXTERNAL SPKR-GND P3 6 P3 5 P3 3 P3 4 P3 7 P3 1 P3 2 C455 1N0 PL2U SPKR-GND INT-SPKR P7 1 P7 2 INTERNAL SPKR C197 100N TYP:650MV.P-P.@-70DBM.INPUT 12 14 IC101 3371D R138 100K TYP:0V15.@-70DBM.INPUT 1V5-3V0.RF-OFF IF PCB

(DWG NO-C731, IPN:220-01201-00) MIXER GND 4 P5 2 P5 AF-OUT

+8VOLTS R159 47 P5 10 P5 7 P5 1 P5 8 P5 9 P5 5 P5 6 P5 3 QUAD-COIL DETECT-AUDIO 455-OUT NSE-DET CMPRTR-OUT FILTER R194 0 C134 10P L114

#662 C214 680P C213 47U LOOP FILTER R284 10K UNDER-WALL DECOUPLING

+30V R217 47 7V75 R241 1K2 C220 15N

+8V-SYNTH R236 47 C218 4U7 5V35 R234 180 Q207 BC857 R235 330 Q208 BC848 C216 10N R233 680 D SG 0V6 C257 Q209 BC857 C217 47U 18P R237 100 C221 1U0 R239 22K Q210 BFR31 R238 8K2 6V2 3 8

IC202 33078D 2

4 1 2 3 3 1 D200A D200 BAV99 D200B R240 100K C219 47U C206 100N CONTROL VOLTS RX-FREQ 175MHZ 225MHZ 230.5MHZ RX 3V3 8V0 8V5 TX 7V8 13V8 N/A

+8V-SYNTH 5

IC202 33078D 6

7 R248 0 R242 22 R420 R420A 56K 4K7 R243 2K2 R278 100K R285 100K R287 150K C222 100N C225 680P R286 82K C234 4U7 R421 56K R421A 4K7 R244 22 LO-IN R288 330K C288 39P C120 680P L107 RF BALUN 3 4 6 2 1 38.4MHZ C185 10N C186 10N TYP:4V0.@-70DBM.INPUT

+8-VOLTS R117 10 C130 10N R118 100 4V0 C129 10N R114 820 R115 12K R119 10 C147 10N C133 270P DELAY LINE C136 C138 27P 27P C140 10P L116

#662 C135 150P C137 680P C141 270P L117 4 6 3 2 1 RF BALUN 3 2 BAT18 D105 R132 2K2 L118 4 3 2 1 RF BALUN 6 2 3 D106 BAT18 C159 270P R437 1K0 C128 33P L110 1U0 R112 47 C127 22P Q103 951 C131 33P R113 4R7 R116 4R7

+8V

+8-VOLTS L120 M21B C158 1N0 C149 1N0 RX-FREQ CONTROL-VOLTS 175MHZ 225MHZ 230.5MHZ 2V8 15V4 16V7 COMPONENTS MARKED # NOT STANDARD PARTS

(SEE TABLE ON SHEET 2 FOR TEMPORARY VARIANTS) NOISE BLANKER R141 1K5

#R140 68K C151 100N R120 820 R153 1K0 Q100 BFR31 C150 D 100P SG R121 180 C148 18P

#R140A 33K

#R142A 100K R154 10K R145 1K5 C160 100P

#D140A BAT18 2 3 Q105 951

#C152A 10N C152 100P

#R155 0 Q106 BC848

#R143A 33K

#R144 68K

#C153A 100P Q107 BFS17 C153 4U7

#R142 27K

#R145A 33K R143 33K C154 10N R148 560

#Q108 BFS17

#C156 22P C155 100P

#R149 100K C157 100N Q109 BF824 R131 100 0V.AT-REST C145 100P R150 100K Q110 BFS17 R133 270 R135 10K RX-TUNE VOLTAGE C123 680P L108 RF BALUN 3 2 1 4 6 R109 R110 0 0 R111 150K C122 3P9 C121 4P7 C117 1P0 C112 1P0 C119 1N0 R108 100K C114 1N0 R107 100K C116 1N0 C106 150P R106 100K C110 1N0 R104 120 C107 3P9 D103 BB639 2 1 C118 1P5 C115 5P6 2 1 D102 BB639 C113 1P5 C111 4P7 2 1 D101 BB639 C109 1P5 C105 1P8 R100 180 Q101 951 L106

#666 L105

#666 L104

#666 2 1 2 3 3 3 3 BAT17DS D110 BAT17DS D110 BAT17DS D111 1 BAT17DS D111

+8V-TX

+8V-TX-DELAY L121 M21A

+8-VOLTS C108 10N C100 10N R105 18 Q102 BC857 C104 100N R103 2K2 R102 560 R101 3K9

+13V-ECON

+13.8V-UNSW

+5-VOLTS

+8-VOLTS

+13.8V R326 220K

+8V-OUT 470K RV324 2 1 CW 3 R337 0 R327 1K0 C103 15P C102 100P L101 2.5T/5.0 L331 M21B D T R P R344 10K L312 330NH Q304 BD234 C318 680P R319 330

L309

#4S3B TX:13V3

+13.8V-UNSW C316 680P C317 680P R342 270K C362 1N0 R343 56K R347 1K8 C315 680P TX:0V7 C321 100N R314 10 L310 1.5T/4.0 C319 680P L311 1.5T/4.0 L314 4S3 C326 680P C327 100N R317 10 L315 3B BEAD R318 R318A 10 10 C300 4U7 L324 1.5T/4.0 C342 270P Q309 BC848 C363 100N R346 680 R345 220 Q311 BC807 R328 150 Q310 BC807 TX:0V7 RX:0V TP301 I/OPAD C347 5P6 C345 680P L319 1U5 C337 680P C354 N.F. R340 220K R330 220K C348 1N0 C349 1N0 C353 1N0 R341 220 D301 1SS97 L318 8.5T/3.0 R329 47K C346 8P2 R332 100 P2 TO CNTRL PCB PDL12M AUDIO-PA 4 P2 1 P2 2 P2 3 P2 4 P2 5 P2 6 P2 7 P2 8 P2 9 P2 10 P2 11 P2 12 GND EXTRNL IGN 3

+13V-ECON

+13.8V-US

+5-VOLTS

+13.8V

+8V-OUT

+8VTX PWR-SENSE PWR-CNTRL 2 Q306 SRFH1001 PRINTED 1.5T/4.5 C333 L316 47P D303 UM9401 C336 1.5T/5.5 1.5T/4.0 1.5T/5.5 680P L322 L323 L325 COUPLER I/OPAD S4 PRINTED C323 82P D E T N R P I C322 68P L317 4S3 R316 10 C324 180P C325 180P C329 22P C330 68P C331 68P C332 18P C335 8P2 C339 22P C343 12P C351 10P D304 UM9401 C340 39P C341 39P C344 12P R320 15K 3 3 2 BAT17DS D107 3 1 3 BAT17DS D108 BAT17DS D107 1 2 BAT17DS D108

+8-VOLTS R146 R147 22 220

#R144A 120K D E T N R P I L320 3.5T/5.0 C338 100P L321 330NH C126 10P C124 8P2 L109 2.5T/4.0 C125 6P8

C241 680P R273 4R7 R271 220 C243 680P C245 8P2 3 2 3 2 L210 5.5T/3.0 1V27 C232 12P

+9DBM/50.OHM BAT18 D209 R274 3K9 C240 680P C231 680P Q214 951 R258 10 1V25 R252 1K8 Q215 951 BAT18 D208

+6DBM/50.OHM R302 1K0 R270 4R7 R275 4R7 C301 680P L301 2.5T/3.0 C302 2P7 PIN SWITCH C304 680P L302 2.5T/4.0 TX:0V7 R301 330 R269 4R7 R272 220 TX:+4V3 RX:+3V3 L300, L309: DUAL 4S3-BEAD TX:8V0 TX:3V4 1ST MIXER

+8V-TX R300 1K0 POWERCONTROL R333 2K2 Q303 BC848 R312 680 R311 820 C360 1N0 C310 680P L303 1U5 R307 680 L306 M21B R306 10 C303 100N

+8V-TX TX:12V0 R324 68 R303 1K5 C307 100N R305 10 R322 22 L308 4S3 C352 100N R323 180 C328 10N 2 3 D302 BAV70 C320 82P A 0 0 7 R 0 D T R P Q305 BFQ43 C305 L304 27P 1.5T/3.0 Q301 951 C306 39P R304 47

4S3 L300 4S3 Q302 MRF4427 2 3 5 8

#4S3B 6 7 1 4 2.5T/4.0 2.5T/4.0 L305 L313 C309 27P C308 680P C312 18P R309 22 R313 22 C313 39P L307 1.5T/4.0 PRINTED C314 100P R308 470 R310 470 R315 47 C311 47P 9 8 4 3 2 1 0 C194 680P C195 680P R195 68K 7 PDL16M GND RSSI BUSY GND LF-SIG MOD AF-SIG CLK DATA ENABLE

+5V GND 1 P1 2 P1 3 P1 4 P1 5 P1 6 P1 7 P1 8 P1 9 P1 10 P1 11 P1 12 P1 13 P1 14 P1 15 P1 16 P1 DET-AF 6 C188 100P

+8V-SYNTH

+8V

+8V-SYNTH

+8V 5 LCK-DET

+5V P1 TO CONTROL PCB 5V7 6V7 6V2 Q201 BC857 10N C208 R200 1K2 R201 1K2 220 R202 Q200 BC848 C201 R203 680 R213 1K2 C207 10N Q202 BC848 4V9 C210 10N R418 680 R232 2K2 Q206 BC848 0805 1V9 X3 MULTIPLIER 47K RV222 2 1 CW 3 REF-MOD ADJ R224 10K Q203 BC848 R226 10K R227 10K R223 22K R225 22K Q204 BC848

+5V R231 180 2 3 BAV70 D202 R228 3K3 SYNTHESISER C200 10N 6 GND EN CLK DATA F 11 9 10 8 13 R F 3 V F PV PR OUT LD 15 16 5 7 PD 145158-2 SYNTHESISER IN IN OUT OSC OSC 2 1 IC201 OUT REF 14 MC 12

+V 4 R229 22 C215 4U7 R230 390 Q205 BC857 4V3 C235 10N R262 2K2

+5V R245 22 PRESCALER 2 VCC 7 NC MC IC203 12022AD IN 1 6 4 OUT SW 3 IN 8 GND 5 DIVIDE-BY.64/65 147.3MHZ-225MHZ

+8V C223 680P C224 680P R246 220

+6DBM/50.OHM L200 M21B C205 1N0 C239 680P R250 2K2 R261 R255 R254 R260 L208 10 10 22 18 5.5T/3.0 C248 10N C246 680P Q213 BC848 C229 47U C237 1N0 R249 120 R251 150 R256 1K5 R257 1K2 L207 820NH R265 3K9 Q212 MMBR571 2V03 C238 10N R264 3K3 R247 47 L204 820NH L205 820NH 1 2 2 1 D203 BB639 D204 BB639 D205 BB639 D206 BB639 1 2 2 1 C228 100P L206

#1008 R263 47 C226 1P0 C227 680P R259 560 R253 820 C236 2P7 11A 10A 9B 9A 8A 7B 7A 6A 5A 4A INDUCTOR ADDED 1N0 CAPCITORS FOR EMC,AND DELAYED CIRCUIT ADDED 3 RESISTERS BY Q305 PRINTED ADDED R700A-B-C FOR PRINTED AMMENDMENTS TO VCO AND RECEIVER. UPDATE TO EXTEND BAND. UPDATED SHEET-2 BORDER; NO OTHER CHANGES ADDED R420A & R421A, CHANGED C356 TO 10NS ADDED CYCLIC-KEY, R437, R194, C360 & C354 REV/ISS A AMENDMENTS B C D.E. YH YH YH MC MC J.F. J.F. J.F. J.F. J.F. DRAWN K.B. J.F. J.F. J.F. J.F. J.F. CHKD D 30/10/95 26/5/95 04/02/94 16/12/92 25/11/92 24/9/92 11/8/92 28/7/92 M.B. M.L. M.L. M.L. M.L. APVD E D.O. DATE

F G H I J K L M N O P Q R S T U V TAIT ELECTRONICS T2000-400 MOBILE RADIO IPN:

220-01204-11 ISSUE:

A PROJECT:

T2000 DESIGNER:

YH FILE NAME:

2K4B3L1A ID:

2.SC. 1 FILE DATE:

18-10-96 NO.SHEETS:

2 W

9 8 7 6 5 1 0

A B C D E F G H J K L M N P Q R 9 8 7 6 5 4 3 2 1 0 P1 16 WAY PADDLE CONNECTOR P3 7WAY SIDE ENTRY SKT SHIELD A3M2594 RX SHIELD P5 2X5 WAY TOP ENTRY PLUG P7 2 WAY PLUG P6 2X5 WAY TOP ENTRY PLUG P2 12 WAY PADDLE CONNECTOR TOPFIDA FIDUCIAL TOPFIDB FIDUCIAL 8 IC402

1020 7 H/SINK A4M2524 HEATSINK IC101 3371D MIXER OSC 16 IN 3 OUT IN 1 OUT 2 C179 10N

+8-VOLTS C206 100N

+30V R217 47 8 V+

IC202 33078D 4 V-

2 3 3 1 D200 BAV99 D200 BAV99

#NOISE-BLANKER

#D140A

#C153A STD MODIFIED

BAT18

100PS

#R140 12KS 68KS

#R142 6K8S 27KS

#R144 12KS 68KS

#Q108 BFS19 BFS17

#R140A

#R142A

#R143A

#R144A

#R145A

#C152A

#C153A

33KS

100KS

33KS

120KS

33KS

10NS 0S 100PS

#C156 22PS 0S

#R149 100KS

#R155 0S

NOISE BLANKER TEMPORARY VARIANTS

*PRINTED

*R700B

*R700C OPT_1 OPT_2

0S

0S

*R700B

*R700C 0 0 2A PROTO-1 REV/ISS ORIGINAL AMENDMENTS CHKD D.O. APVD DATE J.F. DRAWN 12/8/91 20/9/90

TAIT ELECTRONICS T2000-400 MOBILE RADIO IPN:

220-01204-11 ISSUE:

A PROJECT:

T2000 DESIGNER:

YH FILE NAME:

2K4B3L1A ID:. 2.SC. 2 FILE DATE:

18-10-96 NO.SHEETS:

2

9 8 7 6 5 4 3 2 1 0

9 8 4 3 2 C195 150P R195 68K C194 150P 7 PDL16M GND RSSI BUSY GND LF-SIG MOD AF-SIG 1 P1 2 P1 3 P1 4 P1 5 P1 6 P1 7 P1 8 P1 9 P1 10 P1 11 P1 12 P1 13 P1

+8V-SYNTH

+8V

+8V-SYNTH

+8V 5 LCK-DET CLK DATA ENABLE 14 P1 15 P1 16 P1

+5V GND

+5V C201 10N P1 TO CONTROL PCB CONTROL-VOLTS FREQ 400 470 TX 3V2 12V8 RX 3V0 13V0 A B C D E F G H I K L M N O P Q R S T U V W P6 7 P6 6 P6 9 P6 3 P6 1 LF-SIG MOD AF-SIG GND TCXO TCXO & TX-AUDIO PCB

(IPN:220-01201-00) J

+13.8V R199 100

+8V-CNTRL TO CNTRL-PCB VIA P2 PIN-9 & Q311 7808ACT IC403 VREG 1 VIN VOUT 3 GND 2 R428 22 R422 22 C423 56U C424 4U7 C430 56U 7805ACT IC404 VREG 1 VIN VOUT 3 C419 100N GND 2

+5-VOLTS TO LOOM CONNECTOR P2 PIN-7 C420 100N Q401 BC857 3 2 1 6 L401

#650 4 R430 6K8 C426 10N 3 3 2 BAV70 D401 1 BAV70 D401 Q402 BC817 R431 100K C425 4U7 R429 27K

+8-VOLTS

+13.8V-ECONOMY FROM CNTRL PCB VIA P2-PIN 5

+13V-ECON R425 1K0

+21V C410 4U7 AUDIO PA

+21V TO LOOP-FILTER IC202 PIN-8

& Q213 IN VCO R432 10 R433 100 C427 4U7 LM317L IC405 VREG VIN VOUT 1 R434 3 22 C428 4U7 C429 1N0 ADJ 2 R435 18K R436 1K2 C431 100N

+8V-SYNTH

+8V-SYNTH TX-AF I/OPAD REF-MOD GND I/OPAD 4 P6 10 P6 8 P6 5 P6 2 P6 FROM +8V REGULATOR ON CNTRL PCB, VIA P1-PIN 9

+8V-SYNTH R200 0 P8 P9 5V7 Q201 BC857 C202 1N0 R213 1K2 6V7

+8V R222 47 C209 10N R209 2K2 R214 1K2 6V2 R218 12K R212 2K2 R210 180K C208 10N R219 330 Q202 BC848 R282 120 C233 4U7 Q211 BC807 C230 10N C212 5P6 C244 5P6

+5DBM/50OHM L204 100NH C250 82P L201 100NH Q217 BC848 2V3 R220 6K8 0V R221 330 C210 10N C211 180P L202 100NH C247 8P2 L203

#662 C251 100P C252 180P C253 82P DET-AF 6 C188 100P C207 10N 47K RV222 2 1 CW 3 REF-MOD ADJ X3 MULTIPLIER C174 47U C175 100N C176 100N 4 C184 150P R156 100 C187 1N0 R160 10 C181 100N C180 100N 1 2 3 8 6 L119

#655 QUAD 7 DEC 6 DEC 4 VCC 1 5 16 LIM IN GND 15 IC101 3371D 2 3 9 AF OUT 13 RSSI C190 470P NOT334 C179 10N C189 470P 10 3371D IC101 11 R152 390K 38.4MHZ 47K RV153 1 CW 3 2 R161 1K0 C191 1N0 C198 1P0 R198 2K2 C199 1N0 R157 10K C193 4U7 R155 100K C192 33P R158 1K0 R138 100K Q115 BC848 C197 100N IC101 3371D 12 14 C182 150P R194 0 CMPRTR-OUT FILTER AF-OUT

+8VOLTS R159 47 QUAD-COIL DETECT-AUDIO 455-OUT NSE-DET P5 10 P5 7 P5 1 P5 8 P5 9 P5 5 P5 6 P5 3 R197 100 R196 100 1V0.P-P 60%-MOD R151 3K3 C186 10N 3V0 T U O Z H M 4

. 8 3 TYP:650MVP-P.@-70DBM.INPUT IF PCB

(IPN:220-01201-00)

+13.8V-UNSW TO LOOM CONNECTOR P2 PIN-6

& RF POWER-AMP L1

#4S3B C415 1000U D1 MR2520 C1 1N0 C412 47U 5 SB 3 VCC 4 6

1020 BS O/P 8 2 7 GND SUB 1 9 IC402 PCB-GND TRACK-FUSE C414 470U R426 4R7 R427 4R7 C413 100N C416 1N0 C2 1N0 C3 1N0 C411 100N C403 470P SK7HMCH 13.8V-UNSW GND GND AUDIO IGN EXTRNL SPKR GND R K P S L N R T X E R O F T U C P3 6 P3 3 P3 5 P3 4 P3 7 P3 1 P3 2 C451 1N0 C455 1N0 PL2U P7 1 SPKR GND P7 2 INT SPKR INTERNAL SPKR MIXER GND 4 P5 2 P5 L118 4 3 2 1 RF BALUN 6 2 3 BAT17DS D107 1 BAT17DS D108 3 2 1 3 BAT17DS D107 3 BAT17DS D108

+8-VOLTS R146 R147 22 220 3 2 BAT18 D105 R132 2K2 2 3 D106 BAT18 C132 150P R437 1K0 R119 10 C134 6P8 C136 6P8 L114

#662 4V0 C147 10N C133 47P DELAY LINE C140 C138 6P8 C137 100P 6P8 L116

#662 C141 47P C139 33P L117 4 6 3 2 1 RF BALUN C135 33P R141 1K5

#R140 68K R122 10K R120 820 2V7-6V7 R153 1K0 Q100 BFR31 D SG R121 180 C148 10P C150 100P

#R140A 33K C117 1P5

*C119 18P R108 100K Q106 BC848

#R143A 33K R123 10K 5 0 1 Q 1 5 9 A 2 5 1 C

N 0 1 C112 1P5

*C114 18P R107 100K C151 100N

#R142A 100K R145 1K5

#R144A 120K C152 2 3 100P

#D140A BAT18

#R144 68K

#C153A 100P Q107 BFS17 R148 560

#Q108 BFS17

#C156 0

#R145A 33K TSP7 C155 100P Q109 BC857 R131 100 C153 4U7

#R142 27K 33K R143 C154 10N C145 100P R150 100K NOISE BLANKER C157 100N 0V-AT-REST Q110 BFS17 R133 270 R135 10K C146 1N0 R105 18 R102 560 L121 M21A

+8-VOLTS C108 150P C100 150P R106 100K

*C110 18P R104 120

*C107 4P7 R103 2K2 C104 100N R101 3K9 D103 BBY40 3 2 C118 2P2

*C115 8P2 3 2 D102 BBY40 C113 2P2

*C111 5P6 D101 BBY40 C109 2P2 3 2 L106

#664 L105

#664 L104

#664 D E T N R P I 4V0

+8V-TX C106 33P Q102 BC857 R100 470 Q101 951 C105 1P0 D100 BAV99 3 1

*C101 10P

+8V-TX BAV99 D100 3 2 C102 150P L331 M21B R337 0 R327 1K0 P2 TO CNTRL PCB PDL12M AUDIO-PA 4 P2 1 P2 2 P2 3 P2 4 P2 5 P2 6 P2 7 P2 8 P2 9 P2 10 P2 11 P2 12 GND EXTRNL IGN

+13V-ECON

+13.8V-US

+5-VOLTS

+13.8V

+8V-CNTRL

+8VTX PWR-SENSE PWR-CNTRL 2

+13V-ECON

+13.8V-UNSW

+5-VOLTS

+13.8V

+8V-CNTRL C348 150P C349 150P C353 1N0 R224 12K Q203 BC848 R226 5K6 Q204 BC848

+5V R231 220 R223 22K R225 22K

+8V-SYNTH

+21V C185 10N R236 47 C218 4U7 R237 100 5V4 R234 68 Q207 BC857 R217 47 NOT567 C206 100N R418 680 7V8 R241 1K8 2 3 BAV70 D202 R228 3K3 SYNTHESISER C200 10N 6 GND EN CLK DATA F 11 9 10 8 13 R F 3 V F PV PR OUT LD 15 16 5 7 PD 145158-2 SYNTHESISER IN IN OUT OSC OSC 2 1 IC201 OUT REF 14 MC 12

+V 4 R232 2K2 Q206 BC848 R230 470 Q205 BC857 R229 22 C215 4U7 Q208 BC848 R227 220 R233 1M0 R235 330 C216 10N C221 C220 1U0 10N R239 22K Q210 BFR31 D SG 3 8

IC202 33078D 2

4 1 C217 47U C257 18P R238 8K2 R240 100K C219 4U7 Q209 BC857 C214 150P C213 47U LOOP FILTER 6V2

+8-VOLTS R117 10 R118 100 C130 10N TYP:4V0.@-70DBM.INPUT R114 820 R115 12K C129 10N C142 12P Q103 951 R113 4R7 R116 4R7 C128 33P L110 330N R112 47 C127 12P

+8V

+8-VOLTS L120 M21B C158 1N0 C149 150P UNDER-WALL DECOUPLING RX-TUNE VOLTAGE

+8V-SYNTH R278 100K R285 10K 5

IC202 33078D 6

7 R287 100K R288 0 R286 1K0 C234 4U7 R284 10K C123 150P RF BALUN 3 L107 4 6 2 1 R248 0 R242 22 R420 39K R243 3K3 C222 100N L109 1.5T/3.0 C125 R421 39K R244 22

+5V R245 22 PRESCALER C223A 8P2 C223 4U7 2 VCC 7 NC MC IC203 12022AD IN 1 6 4 OUT C243 150P SW 3 IN 8 GND 5 C241 150P R273 4R7 C126 5P6 2P7 C124 5P6 TSP5

*C122 4P7

*C121 5P6 L312 330NH 3 3 3 3 2 1 2 1 BAT17DS D110 BAT17DS D110 BAT17DS D111 BAT17DS D111

+8V-TX R333 2K2 Q303 BC848 R312 680 R316 150 R324 18 PRINTED BASE L C360 150P R311 180 C312 150P 8V0 1ST MIXER L108 RF BALUN 3 2 1 4 6 D305 BAV70 2 1 3 3 BAV70 D305 Q304 BD234 L306 M21B C315 150P C313 150P

*C314 10P L305 15NH C242 10N R276 2K2 R290 1K0 C260 4U7 L210 15NH R260 18 C245 2P7 C239 1P0 R251 150 C500 0805 R269 4R7 3 2 3 2 C255 5P6 BAT18 D208

+21V FROM +21V REGULATOR, IC405 Q213 BC848

+8V-TX FROM P2/PIN-10

(VIA L331)

+8V L200 M21B C205 22N C204 150P C224 1N0 R255 22 R250 22 R254 33 C246 10N RX:0V TX:20V 3V7 RX:7V5 TX:0V R262 22K R265 100K R264 22K 3 2 C235 100N 1 R263 47K Q216 BC848 Q200 BC848 C248 10N BAT18 D211 R279 180K C249 100P C229 47U 7V5 3V9 R256 1K5 7V0 Q214 MMBR571 R267 3K3 R268 56 L208 330NH R266 3K3 R253 33 8 2 2 C N 2 2 C231 10N 20NH PRTD TX:+4V5 RX:+3V3 C225 150P

*C238 18P

*L207

#570

*C232 5P6 D203 BBY40 D204 BBY42 R247 10 L205 330NH 2 3 3 2 2 3 3 2 L206 330NH R261 33 0 D205 BBY40 D206 BBY42 VCO 7V4 R280 180K BAT18 D210 3 2 C226 150P 14 13 11A 10A 9B 9A 8D 8C 8B 8A EMC MOD BY DECOUPLING P3 WITH 1N0 CAPS ADDED D305,R348,#334,#C365,C318A,C500. MODS TO PWR CONTROL ETC. ADDED Q217, Q309 & OTHER ASSORTED MODS. UPDATED EXCITER AND SYNTH LAYOUT. UPDATED PA, SYNTH. ADDED VIAS AROUND EDGE OF PCB. NO CONNECTIVITY CHANGES. MODIFIED NOISE BLANKER VARIANTS MODIFIED VARIANTS-TABLE FOR C327 & C329, SHEET-2. ADDED LOW-POWER VARIANTS CH/N 93/03-118. REV/ISS A AMENDMENTS B C R257 1K2 2V1 R258 10

*C227 5P6

*C237 5P6 R246 390 3V1 YH YH M.C. J.F. M.C. M.C. M.C. M.C. J.F. J.F. DRAWN C236 150P Q212 951 R277 33 L209 330NH R259 820 D.E. D.E. J.F. K.B. G.S. G.S. J.F. J.F. CHKD D R252 820 Q215 MMBR571 11/10/95 14-3-95 10/8/94 28/8/93 14/7/93 18/5/93 14/5/93 22/2/93 0V7 M.B. M.B. S.P. APVD E D.O. DATE

C361 8P2 R342 150K R338 33K R341 47K C355 10N

+8V-CNTRL Q311 BC807 C362 33P C364 1N0 BC807 Q308 C363 33P R347 10K R340 10K Q307 BC848 BAT18 D209 R272 220 R274 3K9 C356 150P C357 100N 100N C359 R339 10K R343 4K7 R344 2K2 R345 1K0 R346 680 Q310 BC848

*R323 33 C240 150P R271 10

+6DBM/50OHM R270 R275 47 47 C254 150P R300 220 R306 1K2 C301 150P 9 0 3 Q 1 5 9 C311 150P R317 100 3V4 0V7 L301 15NH

*C302 6P8 R308 1K2 4 3 3 C P 0 5 1 0 U 1 2 2 4 3 3 R

5 6 3 C

C307 100N R305 10 PRINTED R303 68 2 0 3 L

5

2 T 5

. 1 C305 12P C304 1N0 R302 1K0 R310 L302 220

*L300 1T/2.3 330NH

*C308 10P Q302 MRF559 Q301 951 R301 220 C306 22P

*R309 47

*C309 22P C318 150P C318A 12P

L309

#4S3B C338 10P C319 100P

+13.8V-UNSW

+8-VOLTS 31 W C 2 C316 150P C317 150P R330 220K 470K RV324 R321 470K LINK FOR LOW-PWR VERSIONS

( ,CRUSH BEADS FOR LOW POWER VERSIONS) L310 6.5T/3.0 6.5T/3.0 C326 100P L311

#4S3B

*L314

C351 100N R322 10 C300 100P C303 10P C328 4U7 R329 47K D301 1SS97 R326 220K C345 150P R348 1K0 C337 150P

*C350 3P3

*L326 1.5T/4.0

*L325 1.5T/4.0 R328 150 L319 330N

DUAL-4S3B BEADS L303 330N R307 220 C358 15P C310 1N0 Q300 MRF630

#4S3B

*R304 100

2 2 3 C

4S3 4 0 3 L 4S3 P 2 2

*R313 330 1%

0

3 T 5

. 6 8 0 3 L

*R315 22 L307

#4S3B L304, L307, L314, L316 & L309 RF-IN

+13V-Q306

*C346 2P2 Q305 MRF653 RF-OUT COUPLER C320 33P 1 2 3 C

P 3 3 4 1 3 R

6 5 8 1 3 R

6 5 FOR LOW-POWER VERSION, USE DUMMY-TRANSISTOR PCB

(IPN 220-01287-00)

*C347 2P2 C336 100P 1.5T/2.5 L318

*C332 10P

*C331 5P6 L313 C333 5.5T/4.5 150P R332 100 D303 UM9401

*C335 2P2 L320 2.5T/3.5 D304 UM9401 NOT FITTED FOR HIGH-BAND

*C352 NOT FITTED FOR HIGH-BAND

*L322 1.5T/4.0 L323 1.5T/5.0

*L324 1.5T/4.5 S4 I/OPAD

*C339 3P9 C340 3P9 C344 3P9

*C341 3P9 R320 27K R325 27K

*C352 1P0

*C342 4P7

*C343 3P9 NOT FITTED FOR HIGH-BAND

*C322 NOT FITTED FOR LOW-BAND

*R315 NOT FITTED FOR HIGH-BAND PA OPTION: 25W-Q306 OR LOW-POWER VERSION

(SEE SHEET-2 FOR OPTION CCT-DETAILS) F G H I J K L M N O P Q R S T U V TAIT ELECTRONICS T2000-500/600 UHF MOBILE RADIO IPN:

220-01205-14 PROJECT:

DESIGNER:

T2000-500/600 YH ISSUE:

A FILE NAME:

2K5UFL4A ID:

2.SC. 1 FILE DATE:

18-10-96 NO.SHEETS:

2 W

9 8 7 6 5 3 1 0 9 8 7 6 5 4 3 2 1 0 A B C D E F G H J K L M N P Q R

STD 25W OPTION

+13V-Q306

*L317 528 PRINTED RF-OUT

(TO COUPLER)

*C327 39P

*C329 39P

*C330 4P7

(FROM Q305 COLLECTOR) RF-IN

*Q306 MRF646

*L315 6.5T/3.0

*C324 33P

*R305A 5 2 3 C

P 9 3 33

*R319 22

*C323 100P

B 3 S 4

6 1 3 L

R319 NOT FITTED FOR HIGH-BAND PLACED ON DUMMY-XISTOR PCB FOR LOW-PWR. RF-IN FROM Q305 COLLECTOR RF-OUT TO COUPLER LOW-POWER OPTION DUMMY TRANSISTOR PCB IN PLACE OF Q306

(MRF646) IPN 220-01287-00

*C327

*C329 HIGH-BAND POSITION LOW-BAND POSITION POSITION OF CAP WITH LOW PWR 400-470MHZ USING Q305=BLW81 PHILIPS TRANSISTOR ,VERSION 2

*C330 5P6 NOT FITTED FOR LOW-PWR/HIGH-BAND

*L314 SMASH FERRITE BEADS FOR LOW-POWER VERSIONS

9 8 7 6 5 4 3 2 1 0 CCT SHOWN WITH HIGH-BAND VALUES

*PWR/BAND-VERSION 25W/400-470MHZ 25W/450-520MHZ LOW-PWR/400-470MHZ LOW-PWR/450-520MHZ

*C302 6P8S 6P8S 6P8S 6P8S

*C308 12PS 10PS 12PS 10PS

*C309 22PS 22PS

*C322

22PS 22PS

*L322 15H45 15H40 15H45 15H40

*C314 12PS 10PS 12PS 10PS

*L324 15H50 15H45 15H50 15H45

*C323 100PAHV 100PAHV

*C324 39PAHV 33PAHV

*C325 39PAHV 39PAHV

*C321 39PUH 33PUH 39PUH 33PUH

*C327 47PX 39PX 22PUH 18PUH

*C329 47PX 39PX 22PUH 18PUH

*C330 6P8UH 4P7UH 5P6UH

*C331 5P6UH 5P6UH 5P6UH 4P7UH

*C332 10PUH 10PUH 22PUH 5P6UH

*C335 2P2UH 2P2UH

*C339 4P7UH 3P9UH 4P7UH 3P9UH

*C342 3P9UH 4P7UH 3P9UH 4P7UH

*C352 1P0S10 1P0S10

*C343 2P7UH 3P9UH 2P7UH 3P9UH

*C341 4P7UH 3P9UH 4P7UH 3P9UH

*C347 2P7S 2P2S 2P7S 2P2S

*C350 3P9S 3P3S 3P9S 3P3S

*C346 3P9S 2P2S 3P9S 2P2S

*R334 22S

22S

*R309 47S 68S 47S 68S

*R304 100S 100S 100S 100S

*R313 330W1 330W1

*R315 22X

22X

*R314

*R318

56X 56X

56X 56X

*R323 33X 33X 68X 33X

*R319 22ZV

*C365 1U0S

1U0S

*L302 15H30 15H25 15H30 15H25

*L300 10S35 10S23 10S35 10S23

*L314 4S3B 4S3B LINK LINK

*PWR/BAND-VERSION 25W/400-470MHZ 25W/450-520MHZ LOW-PWR/400-470MHZ LOW-PWR/450-520MHZ

*L315 65H30 65H30

*L316 4S3B 4S3B

*L317 528 528

*L325 25H35 15H40 25H35 15H40

*L326 25H35 15H40 25H35 15H40

*R305A 33Z

*Q306 MRF646 MRF646

*C238 27PS 18PS 27PS 18PS

*C232 8P2S 5P6S 8P2S 5P6S

*C227 8P2S 5P6S 8P2S 5P6S

*C237 6P8S 5P6S 6P8S 5P6S

*L207 571 570 571 570

*C101 8P2S 10PS 8P2S 10PS

*C107 3P9S 4P7S 3P9S 4P7S

*C110 39PS 18PS 39PS 18PS

*C111 6P8S 5P6S 6P8S 5P6S

*C114 39PS 18PS 39PS 18PS

*C115 10PS 8P2S 10PS 8P2S

*C119 39PS 18PS 39PS 18PS

*C121 6P8S 5P6S 6P8S 5P6S

*C122 3P9S 4P7S 3P9S 4P7S NOT FITTED NOT FITTED REPLACES Q306 REPLACES Q306 DUMMY-TRANSISTOR PCB PACOMPONENTS PA COMPONENTS CONTINUED VCOCOMPONENTS RX-TRIPLET COMPONENTS 13 11A 10A 9B 9A 8D 8C 8B 8A D305,R348,#R334,#C365,C318A,C500. ADDED MODS TO PWR CONTROL ETC ADDED Q217, Q309 & OTHER ASSORTED MODS. UPDATED EXCITER AND SYNTH LAYOUT. UPDATED PA, SYNTH. ADDED VIAS AROUND EDGE OF PCB. NO CONNECTIVITY CHANGES. MODIFIED NOISE BLANKER VARIANTS MODIFIED VARIANTS-TABLE FOR C327 & C329, SHEET-2. ADDED LOW-POWER VARIANTS CH/N 93/03-118. YH MC J.F. M.C. M.C. M.C. M.C. J.F. J.F. DRAWN J.F. K.B. G.S. G.S. J.F. J.F. CHKD D.E. D.E. M.B. M.B. S.P. 14-3-95 28/7/94 28/8/93 14/7/93 18/5/93 14/5/93 22/2/93 REV/ISS AMENDMENTS D.O. APVD DATE

P5 2X5 WAY TOP ENTRY PLUG NOT334 16 P3 7WAY SIDE ENTRY SKT USING A Q305 = BLW81 PHILIPS TRANSISTOR IC101 3371D MIXER OSC IN IN 1 3 OUT OUT 2

+8-VOLTS NOT567 8 V+

IC202 33078D 4 V-

P6 2X5 WAY TOP ENTRY PLUG P1 16 WAY PADDLE CONNECTOR P7 2 WAY PLUG P2 12 WAY PADDLE CONNECTOR 8 IC402

1020 7 SHIELD A3M2594 RX SHIELD TOPFIDA FIDUCIAL TOPFIDB FIDUCIAL TAIT ELECTRONICS T2000-500/600 UHF MOBILE RADIO POWER & BAND VARIANTS IPN:

220-01205-14 PROJECT:

DESIGNER:

T2000-500/600 YH ISSUE:

A FILE NAME:

2K5UFL4A ID:. 2.SC. 2 FILE DATE:

18-10-96 NO.SHEETS:

2

R195 68K C194 33P 7 PDL16M GND RSSI BUSY GND LF-SIG MOD AF-SIG CLK DATA ENABLE

+5V GND 1 P1 2 P1 3 P1 4 P1 5 P1 6 P1 7 P1 8 P1 9 P1 10 P1 11 P1 12 P1 13 P1 14 P1 15 P1 16 P1 DET-AF 6 C188 33P

+8V-SYNTH

+8V 5 LCK-DET

+8V-SYNTH

+8V C204 100N

+5V C201 100N P1 TO CONTROL PCB 9 8 4 3 2 1 0

A B C D E F G H I K L M N O P Q R T U V W 5V7 C195 33P 6V3 P6 7 P6 6 P6 9 P6 3 P6 1 LF-SIG MOD AF-SIG GND TCXO C233 4U7 TCXO & TX-AUDIO PCB

(DWG NO-C731, IPN:220-01201-00) 7805ACT IC404 VREG 1 VIN VOUT 3 C419 100N GND 2

+5-VOLTS TO LOOM CONNECTOR P2 PIN-7 C420 100N

+8V-SYNTH

+8V-SYNTH TX-AF REF-MOD GND 4 P6 10 P6 8 P6 5 P6 2 P6

+8V R203 22 C209 100N J

+13.8V R199 100

+8V-CNTRL TO CNTRL-PCB VIA P2 PIN-9

& Q308 VIA L304. 7808ACT IC403 VREG 1 VIN VOUT 3 GND 2 R428 22 R422 22 C423 56U C424 4U7 C430 56U FROM +8V REGULATOR ON CNTRL PCB, VIA P1-PIN 9

+8V-SYNTH

+13.8V-ECONOMY FROM CONTROL-PCB VIA P2-PIN 5

+13V-ECON R425 1K0 S C410 4U7

+30V TO LOOP-FILTER IC202 PIN-8 VIA R217. R434 47 C429 1N0 C428 4U7 C431 100N Q401 BC857 3 2 1 6 L401

#650 4 R430 6K8 C426 10N R431 100K C425 4U7 R429 27K

+8-VOLTS 3 3 2 BAV70 D401 1 BAV70 D401 Q402 BC817 R432 10 R433 100 C427 4U7 AF-OUT

+8VOLTS R159 47 C174 47U C175 100N C176 100N 4 C184 33P R156 100 C187 1N0 R160 10 C181 100N C180 100N 1 2 3 8 6 L119

#655 QUAD 7 DEC 6 DEC 4 VCC 1 5 16 LIM IN GND 15 IC101 3371D 2 3 9 AF OUT 13 RSSI C190 470P C179 10N C189 470P 10 3371D IC101 11 R152 390K 51.2MHZ 47K RV153 1 CW 3 2 R161 1K0 C191 560P C198 1P0 R198 2K2 C199 1N0 R157 10K C193 4U7 R155 100K C192 33P R158 1K0 R138 100K Q115 BC848 C197 100N IC101 3371D 12 14 C182 33P R194 0 CMPRTR-OUT FILTER QUAD-COIL DETECT-AUDIO 455-OUT NSE-DET TYP:650MVP-P.@-70DBM.INPUT IF PCB

(DWG NO-C731, IPN:220-01201-00) MIXER GND 4 P5 2 P5 P5 10 P5 7 P5 1 P5 8 P5 9 P5 5 P5 6 P5 3 R214 680 R209 2K2 L201 100N R219 1K0 L202 820NH C253 12P C207 10N Q201 BC857 C202 1N0 R212 2K2 R213 1K2 C208 100P R263 180K Q211 BC848 D SG Q202 MMBFJ310 L214 330NH R221 100 C230 22P C210 100P C255 2P7 R197 100 R196 100 1V0.P-P 60%-MOD D I/OPAD SG Q200 MMBFJ310 L204

#662 C250 22P R201 100 C254 1N0 C252 18P C251 120P TP1 R151 3K3 C186 10N 3V0 C211 56P CV212 5/40P C244 56P C247 2P7 R200 1K0 X4 MULTIPLIER

+13.8V-UNSW TO LOOM CONNECTOR P2 PIN-6

& RF POWER-AMP D1 18V C1 33P L1

#4S3B C415 1000U PCB-GND TRACK-FUSE C412 47U 5 SB 3 VCC 4 6

1020 BS O/P 8 2 7 GND SUB 1 9 IC402 470U C414 R426 4R7 R427 4R7 C416 470P AUDIO PA C413 100N C2 33P C3 33P SK7HMCH 13.8V-UNSW GND GND AUDIO-O/P IGN EXTERNAL SPKR-GND P3 6 P3 3 P3 5 P3 4 P3 7 P3 1 P3 2 R K P S L N R T X E R O F T U C C411 100N C403 470P PL2U P7 1 SPKR GND P7 2 INT SPKR INTERNAL SPKR R437 1K0 C185 10N

+8-VOLTS R117 10 C130 10N TYP:4V0.@-70DBM.INPUT R118 100 C129 10N C142 5P6 4V0 Q103 951 R116 4R7 R113 4R7 R119 10 C134 5P6 C136 6P8 DELAY LINE C140 C138 6P8 5P6 L114

#662 C135 15P L116

#662 C141 39P C139 15P R114 820 R115 12K C133 39P C137 120P L117 4 6 RF BALUN 3 2 1 L118 RF BALUN 3 2 1 4 6 2 3 BAT17DS D107 1 BAT17DS D108 3 2 1 3 BAT17DS D107 3 BAT17DS D108 C128 22P L110 330N R112 47 C127 6P8

+8V

+8-VOLTS L120 M21B C158 1N0 C149 33P UNDER-WALL DECOUPLING 5

IC202 33078D 6

7 R278 100K C206 100N R248 0 R242 22 R420 27K R243 3K3 C222 100N R421 27K R244 22 L109 PRINTED D110 DIODEMXR L108 4 6 RF BALUN 3 2 1 3 4 2 1 1 2 3 L107 6 4 RF BALUN R107 0 R108 100K R106 100K XF102 6DFB C110 33P Q101 BFG520X R273 10 C241 1N0 R272 150 C126 3P3 1P8 C125 C124 3P3 1ST MIXER R105 18 L121 M21A C108 33P C100 10N

+8-VOLTS C109 33P Q102 BC857 R104 100 R102 560 R101 3K9 C104 100N R103 2K2 D100 BAV99 3 1 3 2 D100 BAV99 C107 33P C106 33P XF101 6DFA

+13V-ECON

+13.8V-UNSW

+5-VOLTS

+13.8V

+8V-CNTRL 47K RV222 2 1 CW 3 REF-MOD ADJ R224 22K Q203 BC848 R226 12K R223 22K R225 22K 2 3 BAV70 D202 R228 3K3 SYNTHESISER C200 10N 6 GND EN CLK DATA F 11 9 10 8 13 R F 3 V F PV PR OUT LD 15 16 5 7 PD 145158-2 SYNTHESISER IN IN OUT OSC OSC 1 2 IC201 OUT REF 14 MC 12

+V 4

+8V-SYNTH R236 47 R418 680

+30V

+30V VIA R434 R217 47 Q204 BC848

+5V R231 220 R234 120 C218 4U7 Q207 BC857 5V4 Q206 BC848 Q208 BC848 R229 22 C215 4U7 R235 330 C216 10N R232 2K2 R230 470 Q205 BC857 R237 100 7V8 R241 1K5 C221 C220 1U0 10N R239 22K Q210 BFR31 D SG R227 470 R233 1M0 C217 47U Q209 BC857 R238 8K2 R240 100K C219 4U7 3 8

IC202 33078D 2

4 1 LOOP FILTER 6V2 C214 33P C213 47U

+5V R245 22 PRESCALER C242 10N R276 2K2

+8V L200 M21B C223 33P C243 33P 2 VCC 7 NC MC IC203 12022AD IN 1 6 4 OUT SW 3 IN 8 GND 5 C224 33P C205 22N C203 22N C248 100U C245 10N R255 100 R250 2K2 C229 47U Q213 BC848 R262 10 C235 100N R267 3K3 R268 56 C226 100N R266 3K3 R253 68 0 1 2 L D E T N R P I 1 3 BAR14-1 D208 R260 1K5 R251 560 L213 100NH R271 150 C246 1N0 R256 1K8 L212 PRINTED C232 1P2 D208 BAR14-1 3 2 L211 100NH C249 1N0 Q214 941 C231 10N Q215 MMBR571 R274 470 C240 1N0 TX:+4V5 RX:+3V3 C321 33P

+8V-CNTRL R341 47K C324 10N M21B L304 C326 33P Q308 BC807 C328 1N0

+8V-TX R338 27K R340 10K Q306 BC807 R345 10K C325 33P R342 390K C322 100N C312 1N0 R302 1K2 L302 330NH R303 100 C305 33P Q300 951 R344 2K2 R343 4K7 L308 8.5T/3.0 R306 1K0 Q305 BC848 R339 10K C310 100N R314 10 L307 C355 33P C359 1N0 R351 10 C361 100N C357 1N0 R346 680 Q307 BC848 R329 1K0 C329 33P L300 330NH C309 33P R308 1K0 C308 1N0 C307 100N R305 10 R309 1K0 C304 1N0 L311 8.5T/3.0 L309 15NH L310 PRINTED C313 4P7 C314 4P7 R310 47 R333 2K2 L312 330NH Q304 BD234 L306 M21B R353 10 C356 100N C315 33P NOT-STD 4R7 R315 12 D E Y A L E D V 8

L313 1T/3.0 Q302 MRF559 C360 33P R311 180 R316 150 Q303 BC848 R312 680 C320 33P R313 1K0 C319 3P3 C316 1N0 IC405 MHW820-1 2 VS1 3 VS2 1 VIN 10 VS3 VOUT 12 C352 33P 0.5P NOT-FITTED R317 470 R318 470 E G N A L F

+13.8V-UNSW C330 33P C338 33P C348 33P C354 330N C349 33P C353 1N0 L325

#4S3B 2 6 3 C 0 U 1 L326

#4S3B C318 33P C317 33P C363 1N0 R352 10 C364 100N 5 6 3 C 0 U 1 R337 0 W C 3 1 2 RV324 470K C337 33P C311 33P C367 1N0 R326 220K R347 100 D304 BA482 C336 33P R328 330 R349 1K0

+8-VOLTS L327 M21B C358 1N0 R348 330 C332 Q309 33P BC848 C366 33P C331 33P R330 220K R321 470K C347 33P R354 47K C351 1N0 L317 8.5T/3.0 C350 33P D301 1SS97 R332 100 R327 1K0 L331 M21B L318 8.5T/3.0 L319 8.5T/3.0 L320 3.5T/3.0 C333 33P C335 33P L316 8.5T/3.0 L315 C334 2.5T/3.0 33P D303 UM9401 C340 33P UM9401 D302 L321 8.5T/3.0 C339 33P R336 100 D203 BB535 D204 BB535 L207 616 C238 3P9 L206 330NH L208 330NH Q212 941

#570 C227 5P6 C234 1P0 R277 56 R257 1K2 C236 3P3 R258 10 L205 330NH R247 33 C225 33P 1 2 2 1 1 2 2 1 D205 BB535 D206 BB535 R261 33 VCO C237 3P3 L209 330NH R259 1K0 R252 1K0 R249 22 C256 1N0

+6DBM/50OHM R275 10 C301 1N0 R280 27 C303 33P R279 180 R281 180 R301 220 PRINTED Q301 951 C306 3P9 R307 68 F G H I J K L M N O P Q R S T U V 3A 2A 0A P3 REV/ISS A ADDED NON-STD COMPONENT - C234, 1P0. ASSORTED MODS. ASSORTED MOODS (FROM ISS-P1). AMENDMENTS B C C234 NOT FITTED AS STANDARD M.HALL JOE JOE JOE JOE JOE JOE CHKD D DRAWN D.O. 19/7/94 18/4/94 15/2/94 DATE APVD E

L322 1T/4.0 L323 1.0T/4.5 L324 1T/3.5 R350 27K C341 2P7 C342 1P0 C343 3P3 C344 3P3 C345 1P0 C346 2P7 I/OPAD S4 R441 27K 0 TAIT ELECTRONICS T2000-800 800MHZ MOBILE RADIO IPN:

220-01305-03 ISSUE:

A PROJECT:

T2000-800 DESIGNER:

M.HALL FILE NAME:

2K8MBL3A ID:

2.SC. 1 FILE DATE:

20/12/94 NO.SHEETS:

2 W

9 8 7 6 5 2 1 P2 TO CNTRL PCB PDL12M AUDIO-PA GND 4 EXTRNL IGN

+13V-ECON

+13.8V-US

+5-VOLTS 3

+13.8V

+8V-CNTRL

+8VTX PWR-SENSE PWR-CNTRL P2 1 P2 2 P2 3 P2 4 P2 5 P2 6 P2 7 P2 8 P2 9 P2 10 P2 11 P2 12 DELAYED +8V VIA Q308

A B C D E F G H J K L M N P Q R P6 2X5 WAY TOP ENTRY PLUG P5 2X5 WAY TOP ENTRY PLUG L212 PRINTED L210 PRINTED D E T N R P I 7 0 3 L D E T N R P I 0 1 3 L P2 12 WAY PADDLE CONNECTOR P3 7 WAY HORIZ MOUNT CAP HOUSING P1 16 WAY PADDLE CONNECTOR P7 2 WAY PLUG SHIELD A3M2594 RX SHIELD IC101 3371D MIXER OSC IN 1 OUT 2 16 IN 3 OUT C179 10N

+30V R217 47 8 V+

IC202 33078D 4 V-

+8-VOLTS TOPFIDA FIDUCIAL TOPFIDB FIDUCIAL C206 100N 8 IC402

1020 7 9 8 7 6 5 4 3 2 1 0

9 8 7 6 5 4 3 2 1 0 P1 ORIGINAL REV/ISS AMENDMENTS J.F. DRAWN J.F. CHKD D.O. APVD DATE 24/2/93

TAIT ELECTRONICS T2000-700 340MHZ MOBILE RADIO IPN:

220-01305-03 ISSUE:

A PROJECT:

T2000-700 DESIGNER:

JOE FILE NAME:

2K8MBL3A ID:. 2.SC. 2 FILE DATE:

20/12/94 NO.SHEETS:

2

9 8 7 6 5 4 3 2 1 0 A B C D E F G H J K L M N P Q R

+8V-RX QUADCOIL 455KHZ COMP-IN ND-OUT FILTER 7 S5 1 S5 9 S5 6 S5 5 S5 3 S5

#R826 47K R827 1M0

#R829 220K

#R828 560 C814 22N R819 1K0 R820 1K5 C812 22N R824 2K2 C815 1N0 R825 180K 2 3 2 GND OUT IN 3 BPF 1

#R823 470

#CF803 CFU455D2 Q805 BFS19 D801 BAV99 BAV99 D801 1 3

#R822 680 CFU455D2

#CF802 BPF OUT IN 3 1 GND 2 R811 100 IF C806 470P Q803 BFS19 Q802 BFS19 R818 47K C811 6P8 R817 470 X803 10.245M C810 22N R816 10K C807 10N R812 390 R809 33K R808 39K SFE10.7MS2 CF801 BPF 3 OUT IN GND 2 R815 1 270

#C813 18P Q804 BFS19 R821 22

#R807 22K

#R806 330 C850 10N 1 3 I/P 10.7M

#X801 XF GND 2 C809 5P6 R813 22 R814 390 R810 5K6 C808 10N BAT17DS D800 2 3 1 3 D800 BAT17DS

#C805 0P5

#C803 0P5 R803 56 R804 1K0 C802 10N

#R805 2K2 Q801 BFS19 R801 39 R802 100K C801 4N7 S5 4 S5 2 MIXER-IN GND CCT SHOWN AS NARROW-BAND DET-AUDIO 8 S5

#C818A 4N7

#C818 2N2

#R831 47K FITTED FOR W/B ONLY BAND-OPTIONS INDICATORS

#R832A 0 0

#R832B FITTED FOR M/B ONLY

#C818 FITTED FOR N/B ONLY

#C818A & #C818 FITTED FOR NARROW-BAND ONLY AUDIO 10 S5

#R832 10

#R833 27K S5 2X5 WAY SIDE ENTRY SKT TBADMARK BADMARK BBADMARK BADMARK 9 8 7 6 5 4 3 2 1 0 00A UPDATE OF CIRCUIT REFERENCE RPS 04/12/96 REV/ISS AMENDMENTS DRAWN CHKD D.O. APVD DATE

TAIT ELECTRONICS T2000 SERIES 2 I F BOARD IPN:

220-01384-00 ISSUE:

A PROJECT:

T2000 DESIGNER:

RPS FILE NAME:

138400A ID:. 2.SC. 1 FILE DATE:

04-12-96 NO.SHEETS:

1

A B C D E F G H J K L M N P Q R

TX AUDIO

#R904 10 RV906 2K0 X 3 CW 1 2 R908 47K C903 100U C904 47N TSP901 1

#R903 10 RV907 2K0 X 2 1 CW 3 R957 3K9

#R909 47K

#R910 15K

#R911 47K

#C906 1P5 5

IC901 34002D 6

7 4N7 C924 C905 4N7 C907 47P 3

IC901 34002D 2

R902 1M0 C902 4P7 R901 22K C901 100N R900 10K

+8V-IN R913 33 8 V+

IC901 34002D 4 V-

C908 4U7 TANT TBADMARK BADMARK 3V4.P-P.MAX AUDIO:2.3KHZ X X R912 10K S6 2X5 WAY SIDE ENTRY SKT BBADMARK BADMARK

9 8 7 6 5 4 3 2 1 0 LF-SIGNAL 7 S6 GND 3 S6 MOD-IN AF-SIGNAL GND TX-AUDIO 6 S6 9 S6 4 S6 2 S6 8 S6

+8V-IN

+8V-IN

+8V-IN TCXO 1 S6 R931 2K2 C918 10N R914 4K7 REV/ISS AMENDMENTS DRAWN CHKD D.O. APVD DATE

5PPM VCTCXO OPTION.

+5V C914 10N

&R915 1K0

&R918 33K

&R930 10K TCXO HIGH STABILITY VCTCXO OPTION.

&R923 1M0

&IC902 VCC FM 12.8M GND OUT

&R924 1M0

&Q901 BFS17

&R917 82

&R916 1K5

&X901 12.8M

&R925 100K 3 2

&D901 BBY40

&C922 10N

&C919 120P

&C920 120P

&R920 6K8

&R919 22K

&R921 10K

-T

&R922 2K2

&C921 18P

+8V-IN S6 10

+8V-IN C915 10N

&R929 47K 3 CW &RV927 100K 15T 2 X1

&R928 0 S6 5 MOD-I/P R932 47 C913 4U7 TANT 1 5 VOUT N/C IC903 78L05 8 4 VIN N/C GROUND 2367

&R926 330K C916 100N C917 100N

#R835A FITTED FOR W/B MID & WIDE BAND VARIANTS

#R835B FITTED FOR M/B ARE THE SAME . BAND-OPTIONS INDICATORS 0 0 0 5ppm 3ppm 2.5ppm

#R835C FITTED FOR N/B OPTIONS FOR THE TCXO TEMP STABILITY XTAL

-30 TO +60 MODULE -30 TO +60 VXO2605A1

-30 TO +75C VCTCXO VXO2605A-1:1

(T2000-800) TAIT ELECTRONICS TCXO SERIES 2 IPN:

220-01389-00 T2000 ISSUE:

A ID:. 2.SC. 1 FILE DATE:

12/9/96 PROJECT:

SERIES 2 DESIGNER:

RPS FILE NAME:

138900A NO.SHEETS:

1

9 8 7 6 5 4 3 2 1 0

 

 

3 2 2 2 1 2 0 2 9 1 8 1 7 1 6 1 5 1 4 1 3 1 2 1 1 1 0 1 9 8 7 6 5 4 3 2 1 7 0 6 P T 8 0 6 P T E S U F 0 1 6 P T 1 1 6 P T 5 0 6 P T E L B A S D I C L A 6 0 6 P T 9 0 6 P T 2 0 6 P T 1 0 6 P T 3 0 6 P T 4 0 6 P T D R A O B D I BOARD ID T2010/15 220-01377-01 A

A B C D E F G H J K L M N P 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1

9 2 5 C S3 IC509 R568 5 9 6 R 8 0 5 V R

3 0 5 C 6 9 5 R

5 9 5 R

RV507 Q507 2 2 5 R 1 2 5 R IC504 8 0 5 R 6 0 5 R 5 0 5 R 7 1 5 C 1 2 5 C C505 4 2 5 R 3 8 5 R 5 2 5 R 8 2 5 R 7 2 5 R R531 4 0 5 C 1 0 5 X 6 0 5 C 7 0 5 C C540 0 3 5 R L501 4 9 6 R C541 SK505 9 6 5 R R570 C520 R599 2 7 5 R 1 7 5 R R627 0 2 6 C 2 3 6 R 1 2 6 C 4 3 6 R C629 IC602 9 0 5 C 3 3 6 R 3 4 6 R 8 9 6 R 1 0 5 C 1 4 6 R 9 0 5 R 6 4 6 R C545 C626 R647 C501A R510 C514 C515 2 0 5 X

#SPEC1

#SPEC2

#SPEC3

#SPEC4

#SPEC5

#SPEC6

#SPEC7

#SPEC8

#SPEC9

#SPEC10 8 2 5 C 3 0 5 R Q502 Q503 R580 2 4 5 R 3 4 5 R 2 0 5 C R504 6 8 5 R 5 8 5 R 4 1 5 R 5 1 5 R R511 R512 7 4 5 C 6 0 6 C IC604 0 0 6 R 2 1 6 R 5 1 6 R 6 1 6 R R684 R618 7 1 6 R C612 C648 C605 8 8 6 R 7 8 6 R

#IC512

#IC510

#R714

#R714A R724

#R722 1 2 7 R 3 2 7 R

Q506 Q508 Q509 C705 7 0 7 R 5 0 7 R 6 0 7 R

#C701 0 2 7 R 5 2 7 R 6 2 7 R R628 R625 C622 9 1 6 C 9 2 6 R R526 0 2 5 R R644 Q520 8 7 5 R 5 7 5 R 9 7 5 R R533 5 9 5 R Q510 R584 7 2 7 R R581 R534 R582 R696 R516 Q504 IC511 IC501 S15 IC507 P 2 2 9 5 R 3 9 5 R C702 7 3 5 R 0 1 7 R

R536 R535 Q505 R532 R541 0 4 5 R 4 4 5 R 9 3 5 R 7 9 6 R IC506 R529 4 0 7 R 0 0 7 R 9 9 6 R 3 9 6 R 1 0 7 R 2 0 7 R 3 0 7 R 2 1 7 R

1 0 5 R 2 0 5 R Q501 7 0 5 R

#R711 C635 7 5 6 R R655 0 3 6 C

1 6 6 R 0 6 6 R Q603 4 3 6 C 9 5 6 R 7 4 5 R R538 8 5 6 R 4 6 6 R 0 3 6 C D500 3 1 5 R 1 9 6 R 0 1 6 R 3 0 7 C

0 0 7 C

S14 C524 9 1 5 C 3 4 5 C 2 6 6 R IC513 R663 R686 Q608 Q604 2 4 5 C 8 1 5 C R656 1 5 6 R

1 3 6 C

6 3 6 C 7 2 6 C C632 2 5 6 R R666 Q607 Q606 R650 R654 R653

#Q508 9 4 6 R 6 4 5 C

#R713 C641 R674 R606 C633 1 0 6 R C600 IC614 7 4 6 C C639 S8 P1 C628 1 3 6 R 0 4 6 R R630 R635 0 9 6 R Q601 R636 R642 Q602 R607 2 4 6 C R679 R681 6 7 6 R 3 4 6 C 5 7 6 R 8 0 7 R 4 4 6 C

#C704 S13 C624 C651 R523 5 2 6 C 5 4 6 R C604 R689 R692 9 3 6 R 3 7 6 R C623 8 3 6 R 7 3 6 R 6 4 5 R 1 5 6 R 5 4 6 C S2 C650 R648 2 8 6 R 8 1 5 R 9 1 5 R 0 3 5 C 3 0 6 C C610 2 2 6 R C618 3 0 6 R 4 0 6 R 5 0 6 R 3 1 6 R C608 C609 R614 C601 8 0 6 R 1 1 6 R 3 1 6 C 4 4 5 C C602 C611 IC601 4 1 6 C R619 R609 3 2 6 R C617 4 2 6 R 0 2 6 R 5 1 6 C C616 R626 R602 R621 S1 IC603 C640 4 7 5 R 2 2 5 C C500 5 2 5 C 6 2 5 C 7 2 5 C C607 7 7 6 R 2 7 6 R 7 3 6 C R683 8 7 6 R 1 7 6 R 5 8 6 R C646 8 3 6 C R668 Q605 R680 R669 5 6 6 R 7 6 6 R R670 A B C D E F G H J K L M N P

A B C D E F G H I J K L N O P Q R S U V W

+5V

+5V R527 47K TP609 R583 1K0 MC34064D IC504 LVI 1 RES 2 IN C504 100N GND 4 R D A T A D S K L C S

T S R S

C505 100N R528 0 RESET E N O T S K N L B T E T U M M

. N I

G S I R529 47K R525 47K IC505 1 RESET 4 VPP 44 VCC R530 4K7

+5V

+5V TP610 M E N O T S T S R S

K L C S

T A D S K N L B T E T U M M

. N I

G S I D N G D D N G 6 9 1 P 1 P 0 1 1 P 4 1 P 7 1 1 P 1 1 1 P 3 2 1 P 1 5 1 P 1 P 2 2 R D A V 5

1 P 1 4 P 2

+5V R D A T S R S

K L C S

T A D S E N O T S K N L B T E T U M M

. N I

G S I SELCALL CONNECTORS

+5V 16 VCC 74HC595 IC509 SHIFT REG 14 DI 11 12 CK LE RST 10 OE GND 8 13 15 1 2 3 4 5 6 7 Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7 9 SQH R568 1K0

+5V R700 10K R701 10K R702 10K R703 10K R704 10K R705 10K R706 10K R707 10K 0

D C B 1

D C B 2

D C B 3

D C B 4

D C B 5

D C B 6 D 7 D

+5V R544 10K M1702

#IC503 1 VCC R532 47K STONE TBLNK M.MUTE SIG-IN 9 13 14 10 12 11 3 5 6 4 GRP ADR SRST GCLK SCLK SDAT XTLI 7 XTLO 8 GND 2 R571 47K R572 47K

#X502 5MHZ R580 10M R599 0 C514 22P C515 22P 2 IRQ 41 TCAP 5 6 7 8 9 10 11 12 21 20 19 18 16 15 14 13 PA7 PA6 PA5 PA4 PA3 PA2 PA1 PA0 PB7 PB6 PB5 PB4 PB3 PB2 PB1 PB0 PD7 TCMP SS/PD5 SCK/PD4 MOSI/PD3 MISO/PD2 TDO/PD1 RDI/PD0 3 17 23 39 NC NC NC NC 40 38 37 36 35 34 33 32 24 25 26 27 28 29 30 31 PC7 PC6 PC5 PC4 PC3 PC2 PC1 PC0 SK505 68HC705CP OSC1 43 OSC2 42 GND 22 R531 10M X501 4M C506 22P C507 22P 13 12 R570 47K C520 22N 11 IC511 74HC132S R569 100K

#R595 SIGNALLING ADJUST

+5V R694 1K0 R592 100K 10K

#R596 39K 1 CW 2 3

#RV508 50K 100N C521 R593 100K IC511 6 5 4

+5V 74HC132S R533 47K R534 47K R695 1K0 R696 1K0 L501 330NH C540 150P IC511 74HC132S 3 1 2

+5V

+5V R535 2K7 C541 150P MTD3055

#Q508 D S G S2-3 S2-3 R536 47K Q505 BC857W HOOK SWITCH R537 10K

+5V R547 47K R541 10K R539 10K R540 10K R538 10K 74HC132S IC511 9 10

+5V 4021 16 VCC 8 4021 16 VCC IC506 SHIFT REG 2 Q6 12 Q7 3 Q8 IC507 SHIFT REG 2 Q6 12 Q7 3 Q8

#R714

#R714A 0 0 BCD-0 BCD-1 BCD-2 BCD-3 BCD-4 BCD-5 D6 D7 7 6 5 4 13 14 15 1 11 D0 D1 D2 D3 D4 D5 D6 D7 DS 10 R697 1K0 CK P/S C GND 10 9 8 P/S C CK GND 8 9 7 6 5 4 13 14 15 1 11 D0 D1 D2 D3 D4 D5 D6 D7 DS R698 1K0

RF DECOUPLING C528 150P C529 150P T C530 150P S15 6 S15 7 S15 8 Q5 Q6 GND 9 S15 BCD-0 10 S15 11 S15 12 S15 13 S15 14 S15 15 S15 16 S15 BCD-1 BCD-2 BCD-3 BCD-4 BCD-5 N/U N/U

+5V SQH RESET CLK P/S D8 1 2 3 4 5 6 7 DGND 8

+13.8V-UNSW 9

+13.8V 10 11 12 13 14 15 16 TXD RXD PTT-IN GND AF MIC-I/P VOL S8 S8 S8 S8 S8 S8 S8 S8 S8 S8 S8 S8 S8 S8 S8 S8 S15 1 S15 2 RXD TXD 6 P2 15 P2 10 P2 9 P2 24 P2 2 P2 5 P2 22 P2 21 P2 P2 19 3 P2

+5V RX-LINE-OUT PTT-TO-OPT/SCLK AUX-ON/OFF/RST PTT-FRM-OPT TX-LINE-IN DGND GND RX_LINE-IN RX-GATE TX_LINE_OUT L R T N C H C D C B D A E H L O R N O C O T R E L B M A R S R O X O V

+13.8V-UNSW

+13.8V R546 10K

+5V DET-AF-OUT DET-AF-OUT S15 2X8 WAY TOP ENTRY SMD SKT P1 24WAY PLUG S1 2X8 WAY TOP ENTRY SMD SKT P2 24WAY PLUG S2 2X6 WAY TOP ENTRY SMD SKT S3 SMD-PAD-ONLY S8 2X8 WAY TOP ENTRY SMD SKT S14 2X8 WAY TOP ENTRY SMD SKT S13 2X6 WAY TOP ENTRY SMD SKT

#IC510 74HC132S 4 6 5

#IC510 74HC132S 1 3 2

+5V

+5V 14 V+

#IC512 74HC132S

#C703 100N 14 V+

#IC510 74HC132S 7 V-

7 V-

D R A O B M E D O M O T T E K C O S Y A W 0 2 BCD-0 BCD-1 BCD-2 BCD-3 BCD-4 BCD-5 D6 D7 S3 1 S3 2 S3 3 S3 4 S3 5 S3 6 S3 10 S3 11 BCD-0 BCD-1 BCD-2 BCD-3 BCD-4 BCD-5 N/U N/U PTT-FRM-OPT PTT-FRM-OPT SIG-SQUELCH SIG-SQUELCH S3 8 S3 9 S3 12 S3 13 S3 14 S3 15 S3 16 S3 7 S3 20 S3 19 S3 17 S3 18 BUSY RX-GATE IN-LOCK MIC-MUTE TX-SIG-IN

+5V GND DGND 1E6 PWR_CTRL PWR_CTRL_FRM_MODEM BUSY RX-GATE IN-LOCK MIC-MUTE TX-SIG-IN

+5V

+8V BOARD ID

#SPEC1

#SPEC2

#SPEC3

#SPEC4

#SPEC5

#SPEC6

#SPEC7

#SPEC8

#SPEC9

#SPEC10 0 220 1K0 2K2 4K7 6K8 10K 47K 100K 220K 4 V+

IC601 LM324D 4 V+

IC602 LM324D 11 V-

11 V-

4 V+

IC603 LM324D 11 V-

+5V 8 V+

IC604 358D 14 V+

IC511 74HC132S 4 V-

7 V-

+5V Q604 BC848W Q608 BC848W R662 1K0 2 R659 2K7 C634 4N7 R658 150K R664 22K R649 1M0 C546 3N3 Q606 BC848W MIC AUDIO R652 4K7 C632 4U7 TANT R686 47K R663 47K

#R651 1K0

#C631 100N N 0 0 1 2 0 7 C 7 U 4 T N A T 0 3 6 C

C547 0805

#R713 0 0 1 7 R

0 R674 10K C641 1N0 R673 10K

+8V R653 2K7 R654 220 C633 47U R660 10K R656 2K2 R657 1K2 R691 2K2 TP606 15N C630

+8V R680 2K7 Q605 BC857W R670 10K R655 2K2 C635 100N Q603 BC848W TP607 R661 47K

#R711 0 C637 4P7 R665 470K

LM324D IC603

2 3 1 R668 470K R675 47K C647 100N R672 10K R671 4K7 R669 1K8 R667 1M0 ALC DISABLE C640 47U C636 100N

+8V R650 1K0 C638 100N Q607 BC848W C639 47U R666 150K R685 0 TAIT ELECTRONICS T201X HC05 COMMON CONTROL BOARD IPN:

220-01377-01 ISSUE:

A PROJECT:

SERIES 2 DESIGNER:

SD FILE NAME:

0137701A ID:

2.SC. 1 FILE DATE:

21/8/96 NO.SHEETS:

2 W 9 8 7 6 5 4 3 1 0

C502 10N DET-AF-OUT TP608 Y S U B S13-2 S13-3 S13-4 S13-5 S13-6 S13-7 N I

I G S X T

K C O L

N I

+13.8V

+5V R699 1K0 TP601 3 1 2S 3 1 S 1 3 1 S 3 1 S 3 1 S 3 1 S 3 1 S 3 4 5 6 7 8 9 3 1 S 3 1 S 0 1 3 1 S 1 1 3 1 S 2 1 4 1 S 1 2 3 4 5 4 1 S 4 1 S 4 1 S 4 1 6S 4 1 7S 4 1 S 4 1 S 8 9 4 1 S 4 1 S 0 1 4 1 S 1 1 4 1 S 2 1 4 1 S 3 1 4 1 S 4 1 4 1 S 5 1 4 1 S 6 1 5 1 4S 5 1 S 5 N I

C L A T U O

F A

T E D

T U O E N L

X R I

T U O E N L

X T I I N _ E N L _ X T I

F A D T G X R

P E E B X R

I G S

F L

X T

D N G S N O T P O I

W S N U V 8 3 1

. V 5

Y S U B

. V 8 3 1

OPTION CONNECTORS

T P O O T

T T P

T P O M R F

T T P K C O L

N I

E T U M C M

I H C L U Q S G S

I

H S U H Y C N G R M E

W S

L L A C

F F O N O X U A

N R O H I S S R U N

U N

L A N R E T X E R513 0 3 1 BAV70 D500 BAV70 D500 3 2 OPTIONS BOARD

#IC512 74HC132S 5 6 4 MIC-MUTE PTT ENABLE SIG-SQUELCH R689 22K

T P O M R F

T T P R690 22K R615 2K2 R617 6K8 R684 680

6 358D IC604

5 7 R618 1M0 R616 2K2 C612 4U7 TANT TX-CTCSS TP603 RX-CTCSS RX-CTCSS FILTER SHAPE SWITCH 5

IC601 LM324D 6

7

+8V R636 100K R635 220K Q601 BC848W IC614 4053BD 14 12 11 13 TP602 R623 6K8 10 C618 10N C622 10N C617 10N R625 6K8 12

13

IC602 100N

#C701

#IC510 74HC132S 11 13 12

#IC510 8 9 10 74HC132S

#IC512 74HC132S 2 3 1

#IC512 74HC132S 11 13 12

#IC512 74HC132S 8 10 9 S13-3 S13-5 S13-7

#R712 0

#C700 100N R648 220K

+8V R642 100K C650 150P Q602 BC848W

+8V RX-GATE 9

N P I

, 3 1 S M O R F P E E B X R

16 V+

IC614 4053BD V-

8 6 INH VEE 7 7

N P I

, 1 S O T I O D U A D O M C624 10N C625 10N R644 1M0 R641 150K C651 150P C627 100N R645 100K R646 330K TANT 4U7 C626 AUDIO BUS TO OPTION CONNECTORS S13-6 S13-4 S13-2 R634 6K8 LM324D 8 IC602 10

9

R633 10K R638 10K C623 100N IC614 4053BD 5 3 9 4 R637 100K R640 1M0 RX-AUDIO

#C704 4U7 TANT R708 0 TP605

IC603 LM324D 8 R679 47K 10 9

C642 220P R676 47K

LM324D IC603

6 5 7 R677 10K TX-AUDIO C644 C643 15N 15N

+8V R678 100K R683 10K R682 1K8 C646 4U7 TANT R630 1M0 R631 1K0 C628 10N C545 100P

IC602 LM324D

6 5 7 TP604 R681 10K R643 330K C629 220P R647 2K2 R604 220K R605 220K C602 82P 3 2

IC601 LM324D

1 0 1 6 C 7 U 4 T N A T R608 22K 0

+8V R603 100K C544 100P R622 10K R609 220K R687 10K R688 10K

+4V HALF-RAIL C605 4U7 TANT C648 47U R602 8K2

13 LM324D IC601

12 C614 C615 C616 14 15N 15N 15N R619 10K R620 27K

IC601 LM324D 8 9

R626 27K R621 390K R624 10K LM324D 14 C619 C620 C621 10N 10N 10N R627 390K R628 10K R629 27K R632 390K 1A 0A MODS TO PROTOTYPE RELAYED AND ADDED OPTION BOARDS REV/ISS A AMENDMENTS B C SD SD DRAWN D.O. CHKD D APVD E 2/8/96 2/7/96 DATE F G H I J K L M N O P Q R S T U V TO MAIN PCB C645 150P R651 15K

+5V

+8V R507 4K7 Q503 BC869 Q501 BC848W

+8V-TX R503 2K2 Q502 BC848W R543 2K2

+13V-ECON

+13V-ECON R585 680 R586 680 R504 220 R501 47K R502 47K

+13.8V-UNSW

+5V

+8V S2-2 S2-3 C524 47U

+13.8V

+8V

+8V-TX R518 1K0 R519 1K0 R509 2K2 1 POWERCONTROL C501 680P

LM324D IC602

2 3 R510 10M C501A 1N0

+5V R521 10K R522 4K7 G S D

+5V 1 CW RV507 50K 2 3 R506 10K R508 100K LOWPOWER SET C509 1N0 R725 R726 10K 27K C519 100N

+8V R721 47K

#R723 220K Q506 BC857W Q508 BC857W Q509 BC857W R724 27K

#R722 330K C705 100N R720 0

+5V C500 47U C522 150P R511 470K R512 100K R516 47K BEEP TONE ATTENUATOR

+13V-ECON 3 S15

+13.8V IC513 8 VIN 1 VOUT 78L08 GROUND 2 3 6 7 C543 100P C518 100N C542 100P SK16M TO MAIN PCB

+5V R574 10 R542 47K

+5V

+5V 8

+V IC501 GND 5 3 D 2 C 1 S 6 ORG ST93C66 4Q 7DU R526 10K Q507 BFR31 C517 680P R520 47K R505 150K

+13.8V

+13V-ECON

+5V R581 22K R582 220K Q510 BC848W R595 100K Q504 BC848W R584 15K R727 TP611 47K Pwr_Ctrl _frm_Modem 1T5 PWR_CTRL_FRM_MODEM R575 10K R579 1K0 Q520 BC848W R578 100K

+5V R610 4K7 Y S U B Y S U B E T A G X R

E T A G X R

E T A G X R

2 358D IC604

3 1 R515 100K R514 100K

+8V R639 2K2 C525 150P C526 150P C527 150P LOCK DETECT R524 100K C503 10N R693 1K0 R523 470K S2-2

+13.8V-UNSW N I

I E N L

X R T U O

F A

T E D N I

I G S X T

3 1 S N I

I G S X T

R612 220 R600 2K2 R601 82K TANT 4U7 C604 TANT 4U7 C601 R606 1M0

+8V-TX C600 15N 15 10 IC614 4053BD R692 2 22K 1 C603 220P C606 100N CTCSS R607 100K R613 100K C607 100N R614 220K C609 47P C608 10N C611 100P R611 220K C613 4N7

AUDIO-PA OPTIONS-GND EXTERNAL IGNITION

+13.8V-UNSW

+5V

+13.8V

+8V

+8V-TX PWR-SENSE PWR-CNTRL DGND

+5V SY-ENALBE SY-DATA SY-CLK LCK-DET

+8V

+8V-SYNTH AF-SIG MOD LF-SIG DET-AF GND BUSY RSSI DGND 1 S2 2 S2 3 S2 4 S2 5 S2 6 S2 7 S2 8 S2 9 S2 10 S2 11 S2 12 S2 16 S1 15 S1 14 S1 13 S1 12 S1 11 S1 10 S1 9 S1 8 S1 7 S1 6 S1 5 S1 4 S1 3 S1 2 S1 1 S1 12

IC603 LM324D 13

14 9 8 7 6 5 4 3 2 1

 

 

2 2 1 2 0 2 9 1 8 1 7 1 6 1 5 1 4 1 3 1 2 1 1 1 0 1 9 8 7 6 5 4 3 2 1 1 D A P 6 0 6 P T 8 0 6 P T 7 0 6 P T M O R 6 1 A M O R 5 1 A T S E T E D O M K R A M D A B B 6 D A P F F A B C D E F G H J K L M N P 2 D A P 2 0 6 P T E L B A S D I C L A 3 D A P A A 220-01344-02 220-01344-02 Y R O T C A F Y L N O T E S E R L A U N A M ID ID D R A O B D I

1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 2 0 2 1 2 2 A B C D E F G H J K L M N P

#S13

#S14 T P 6 1 0

#S16

#S17

#S18 C 5 2 4 I C 6 0 1 D 5 0 2 Q 5 0 6 C 6 3 5 A C 6 3 5 R626 C618 C622 C621 R634 R633 R543 R544 R 5 4 5 R 6 1 0 C522 S 2 C645 R651 R652 R 6 3 7 R 6 3 8 R 8 1 2 C 5 1 0 R 6 3 0 R 5 9 0 R 6 3 9 C 6 2 3 R 6 4 0 R631

#R731

#R730

#C661

#C660 C 5 3 0 R620 C614 R611 C613 C 6 1 0 C 6 0 3 R 6 9 2 R615 C801 R616 C802 C805 R684 C 8 0 8 R810 R600 R 6 0 8 R605 C602 R604 R603 R622 R688 R687 R617 C 8 0 3 C804 R 8 0 4 D 8 0 0 C 6 2 8 C 6 0 5 I C 6 1 4 C 6 4 8 T B A D M A R K I C 8 0 1 R538 Q 5 1 0 R537 C 5 3 7 C624 R584 D 5 0 3 R 6 4 8 C 6 5 0 Q 6 0 2 R 6 4 2 R645 C651 C625 R644 C627 C 8 0 6 R643 R641 C629 R646 C 6 2 6 R 6 4 7 I C 8 0 2

#C662 R811 C814

#T3K44 R 7 2 1 R 8 0 3 R805 R806 R807 R808 R809 R690 C540 C541 R619 R 6 0 9 R 6 2 3 R624 C617 C 6 1 5 R 6 0 2 R 6 2 1 C 6 1 6 R627 R632 R628 R625 C619 C620 R629 R 8 0 1 Q 8 0 2 R802 C607 R 6 1 4 C 6 1 1 C 6 0 9 R 6 1 3 C 6 0 8 R 6 8 9 Q 8 0 0 R 6 0 7 R 6 0 6 C 8 1 5 L 5 0 1

S 8

S 9 C532 R559 R560 C600 R500 I C 5 1 0 R659 C652

C 6 3 1

C 7 0 6

#R656 R653 C653 R705 R712 Q 7 0 0 C705 R710 R709 R704 R702 R701 R711 R706 C 6 4 1 R 6 7 4 C 6 4 2 R 6 7 6

Q 5 1 1 R 6 7 1 R 6 6 9 R 6 8 0 R 6 6 8 R 6 7 3 C 6 3 8 C 6 4 7 R 6 7 5 R 6 6 6 R 6 8 5 R 6 6 7 R 6 7 0 Q 6 0 5 R 6 7 2 R 6 6 5 C 6 3 7 C 7 0 1

R 7 0 0

C 7 0 3

C 7 0 4 C 7 0 0 C 6 3 9 I C 6 0 3 R635 Q 6 0 1 R636

#C632

#R720 R650 Q 6 0 7 R681 R679 C643 C644 R683 R678 R682 C630 R 6 7 7 C 6 4 6

R 7 3 2

R 7 3 3 R691 C636 R 6 6 4 R 6 5 8 R 6 6 0 R 6 4 9 Q 6 0 6 R 6 6 2

#012

#014

#015

#016

#017

#018

#019

#F01

#F02

#F03 S 1 C 6 0 1 I C 5 1 3 I C 5 1 4 C 5 2 7 C 5 2 5 C526 C514A C514 C514B C 6 4 0 I F D B C721 I C 5 5 5 C571 C570 T P 6 0 9 R716

#R713 R715 R714 C720 R507

#R717

#R717A

C 6 6 3 R570

#T3K45 Q508 R 5 8 3 R 5 8 0 R 5 7 8 R 5 8 2 R 5 8 1 Q 5 0 7 R 5 9 2 R 5 9 1 R663 R686 Q 6 0 8 Q 6 0 4 R550 Q 5 0 5 R547 R549 R548 R519 Q 5 1 7 R 5 5 4 R 5 1 6 C 5 3 6 R403 R400 Q 5 1 6 R402 Q 5 1 5

#R517 C523 Q 5 1 4

#R524 R512 R514 R 5 0 4 R 5 2 0 R 5 1 5 C 5 1 2 R511 R 5 0 3 R 5 2 9 R 5 0 9 R 5 2 3 R 5 1 0 C 5 0 1 R518 R 5 0 R 5 0 8 C 5 0 9 C811 Q509 C 5 1 7 6R 5 0 5 R522 R521 C529

C 8 1 2

C 8 1 0 R 5 6 7 R 5 6 6 A

R 5 7 1 C 8 1 3 C534 I F D A Q 5 1 3 R565 R 5 6 6 C 5 3 5 R562 R564

#R579

I C 6 0 5 R 5 7 3

R 5 9 3

I C 5 1 7 I C 6 0 4 R568 R569 C502 R563 R 5 5 1 C533 C511 C520

I C 6 0 6 P 1 I

C 5 0 0 S K 5 0 1 I C 5 0 5

R V 5 0 8

R 5 9 6 C 5 3 8 R 5 8 9

R 5 9 7 R 5 9 8 R 5 9 4 C 5 1 6

#RV599 R V 5 0 7 I C 5 0 2 C722 C550 C560 IC511 R553 R532 R533 R534 R699

#R552 R700

I C 5 0 3 Q 5 0 1 R 5 7 2 R 5 5 6 C 5 0 4 R 5 3 5 C 5 1 9 R 5 3 0 R 5 3 1 R501 R502 X501 R 5 4 0 C 5 0 7 C 5 0 6 C 5 0 5 I C 5 0 4 R 5 2 5 A R 5 2 5 R 5 2 6 C 5 0 3 Q 5 0 4 R539 R 5 4 1 C508

A B C D E F G H I J K L M N O P Q R U V W 1 0 6 TC 7 U 4

+5V R689 10K DET-AF 2C2 R690 15K L501 330NH CTCSS-TX 2G5 C540 150P C541 150P

#IC605 74HC132S 11 13 12 PTT-TO-OPT AUX-ON/OFF

/PTT-FRM-OPT 2R0 2R0 2R0

#IC605 74HC132S 8 10 9

#IC605 74HC132S 1 3 2

#IC605 74HC132S 5 6 4

#IC606 74HC132S 4 6 5

#IC606 3 1 2 74HC132S 2 IC614 4053BD 15 1 10

+8V R801 100K

9 IC801 LM324D

10 2 0 6 P T

6 LM324D IC801

5 C805 100N 150K C803 4P7 C801 22N C802 10N C804 180P R615 R684 R616 R617 8 27K 120K 150K 7 Q802 BC848W R802 220K 2K3 Q1 R721 4K7 3

IC801 LM324D 2

R803 470K R804 47K R600 220 C808 100N R810 220 2C2 LF-SIG 12 R806 100K

IC801 LM324D R808 2K2 14 D800 BAV99W D800 BAV99W 1 2 3 1 3 R805 680 C806 4U7 T 13

R807 47K 2K5 RX-CTCSS R809 4K7

+8V-TX R606 470K BFR31 Q800 S G D C815 15N R692 22K R607 100K R613 100K R614 220K C607 100N C609 47P C608 10N C611 100P 300HZ FILTER 150HZ FILTER

#T3K45 Scambler/Vox Option

T S R F F O N O _ X U A

K L C S T P O _ O T _ T T P T P O _ M R F _ T T P D N G D D N G

T U O E N I L

X R N I _ E N I L _ X R N I _ E N I L _ X T 9 0 1 4 2 5 2 2 5 4 K 3 T

5 4 K 3 T

5 4 K 3 T

5 4 K 3 T

5 4 K 3 T

5 4 K 3 T

5 1 1 2 5 4 K 3 T

5 4 K 3 T

2 3 6 T U O _ E N I L _ X T 5 4 K 3 T

E T A G X R

9 1 5 4 K 3 T

V 5

5 4 K 3 T

+5V

+8V

+8V R811 22 S

+5V T

+5V 4 V+

C814 100N IC801 LM324D 4 V+

IC601 LM324D 4 V+

IC603 LM324D 4 V+

IC604 LM324D 8 V+

IC802 358D 11 V-

11 V-

11 V-

11 V-

4 V-

14 V+

#IC605 74HC132S 7 V-

14 V+

#IC606 74HC132S

#C663 100N 7 V-

+8V 16 V+

IC614 4053BD V-

8 6 INH VEE 7

#R700 1K0

+8V R702 R704 2K2 330 R701 4K7 C700 4U7 T C701 47U R705 2K2 MIC-AUD 2V4 R706 2K2 R712 10K

#C706 100N Q700 BC848W

#C703 100N T 7 U 4 4 0 7 C

R709 R710 1K0 220 R711 2K2 C705 4N7

#IC606 74HC132S 8 10 9

#IC606 74HC132S 11 13 12 10

IC603 LM324D 9

10

IC604 LM324D 9

8 8 0 U 2 T U O

F A

T E D 3 K 2 0 Q 0 G 2

T U O E N I L

X R

#C660 100N

#C661 100N

#R730 0 7 U 2 F A 2 C 2 D O M 0 G 2 0 L 2 E T A G X R

N I

E N I L

X R R648 220K 0 G 2

F A D T G X R

1 J 2 P E E B X R

C624 10N 6 W 2 I O D U A A P

R645 100K C625 10N RX-CTCSS FILTER SHAPE SWITCH C651 150P T 4U7 C626

#R720 0

#C632 4U7 T

+8V R642 100K C650 150P Q602 BC848W 9

N P I

, 3 1 S O T P E E B X R

R635 220K

+8V R636 100K Q601 BC848W IC614 4053BD 14 12 11 13

+8V R687 10K C603 220P 3 2

IC601 LM324D

R603 100K R604 220K R605 220K 0 1 6 TC 7 U 4 1 R608 22K R688 10K C605 4U7 T C602 82P R611 220K C613 4N7 6

7 LM324D IC601

5 C614 C615 C616 15N 15N 15N C618 10N C622 10N 12 C617 10N R625 6K8

IC601 LM324D 14 13

R626 27K R623 6K8 10

IC601 LM324D 8 9

C619 C620 C621 10N 10N 10N R634 6K8 5

IC802 358D 6

7 R638 10K C623 100N IC614 4053BD 5 3 9 4 R637 100K R640 1M0 R644 1M0 R641 150K C627 100N R630 1M0 R631 1K0 C628 10N RX-AUDIO R646 330K

IC802 358D

2 3 1 R679 47K 14 12

IC603 LM324D

13 C644 C643 15N 15N

+8V R678 100K R683 10K R682 1K8 C646 4U7 T C642 220P R676 47K

LM324D IC603

2 3 1 R677 10K R674 10K C641 1N0 R673 10K C647 100N R672 10K Q605 BC857W R670 10K R671 4K7 R675 47K TX-AUDIO R622 10K R609 220K R620 10K R619 27K R621 390K R624 10K R627 390K R628 10K R629 27K R632 390K R633 10K R643 330K C629 220P R647 2K2 R681 10K R602 8K2 C648 47U

#T3K45 24WAY PLUG RAM#

#OPTION

#IC500 M48Z35MH1TR T2050 T203X T2020 T2040 T2060 T203XD T2040D T203X T2040 T2050 X2E012 X2E014 X2E015 X2E016 X2E017 X2E018 X2E019 FRENCH01 FRENCH02 FRENCH03 M48Z18 M48Z18 M48Z18 M48Z18 M48Z18 M48Z18 M48Z18 M48Z18 M48Z35MH1TR

BBADMARK BADMARK TBADMARK BADMARK FIDA LOCALFID FIDB LOCALFID KA SOT323 DIODES K A BAV99W C SOT323 PNP B E BC857W C SOT323 NPN B E BC848W G SOT23 FET S D BFR31 C DPAK PNP B E MJD2955 CHIP TANTALUMS VARIANT COMPONENT DESIGNATIONS

#IC605

#IC606

#C660

#C661

#C662

#R730

#R731

#R732

#R733

#R713

#RV508

#C810

#R552

#IC503

#S8

#S9

#R656

#R717

#R717A

#S13

#S14

#S16

#S17

#S18 CONTROL HEAD TRUNKED OR CONVENTIONAL OR LTR CONNECTORS FOR A DATA RADIO STADARD OR FFSK PRE-EMP

#R596 39KS 39KS 39KS 39KS 39KS 39KS 39KS 39KS 39KS 39KS

#R597 10KJ 10KJ 10KJ 10KJ 10KJ 10KJ 10KJ 10KJ 10KJ 10KJ

150PJ 150PJ 150PJ

#C812 10NJ 10NJ

#R571 220KJ 220KJ

#RV599 50KVAR13 50KVAR13 10NJ 220KJ 50KVAR13 0J 0J 220KJ 220KJ 470KJ 470KJ 470KJ

50KVAR13 50KVAR13 50KVAR13 50KVAR13 50KVAR13

10NJ 10NJ 150PJ 150PJ 150PJ

MICROPHONE

#R700

#C703

#C704 4U7F16Z3528 4U7F16Z3528 4U7F16Z3528 4U7F16Z3528 4U7F16Z3528 4U7F16Z3528 4U7F16Z3528 4U7F16Z3528 4U7F16Z3528 4U7F16Z3528

0J

0J 0J

0J

0J 0J 4021BD SK16MSMD 4021BD 4021BD SK16MSMD SK16MSMD 4021BD SK16MSMD SK8MSMD SK8MSMD SK8MSMD

SK8MSMD MJD2955 SK8MSMD SK8MSMD MJD2955 MJD2955

#Q511 MJD2955 MJD2955 MJD2955

#C706 100NT 100NT 100NT 100NT

#C631 100NT 100NT 100NT 100NT 100NT 100NT

#IC517 FX469LS FX469LS

FX469LS FX469LS FX469LS FX469LS FX469LS FX469LS 0J 0J

0J 0J 0J

0J

0J 0J 0J

0J

#P1 2000UART 2000UART 2000UART 2000UART 2000UART 2000UART 2000UART 2000UART 2000UART 2000UART

SK12MSMD SK12MSMD SK16MSMD SK16MSMD SK12MSMD SK12MSMD SK12MSMD SK12MSMD SK12MSMD SK12MSMD

#T3K44 3K44OPT 3K44OPT 3K44OPT 3K44OPT 3K44OPT 3K44OPT 3K44OPT 3K44OPT 3K44OPT 3K44OPT

#T3K45 3000OPT 3000OPT 3000OPT 3000OPT 3000OPT 3000OPT 3000OPT 3000OPT 3000OPT 3000OPT FITTED FOR PROTOTYPE BUILD QTY:

1.0 IPN:

N27C101J-15 IC N27C101J-15 1MBIT OTP ROM PLCC32 MECH PRT 0J

0J 0J

0J

0J 0J J 1A 1A REV/ISS SELCALL/DSP CONNECTIONS JUST A COUPLE OF SMALL MODS -NOT!

AMENDMENTS B A C SD DBH DRAWN D.O. CHKD D APVD E 5-7-96 DATE F G H I K L M N O P Q R S T U V 9 8 7 6 5 4 3 2 1 0

#C662 100N

#R733 0

#R732 0 0 G 2 N I

C L A 0 G 2 0 G 2 N I

E N I L

X T

T U O E N I L

X T

#R731 0 RF DECOUPLING C529 150P C530 150P 0 N 2 5 K 2 E T U M C M

I E T U M C M I

7 U 2 N I

I C M

#C631 100N Q608 BC848W R660 47K R663 47K R686 47K

+5V Q604 BC848W R662 1K0 Q606 BC848W R658 150K C630 15N R691 2K2

+8V R680 2K7 C637 4P7 R665 470K

6 5 7 LM324D IC603

R668 470K R664 22K R649 1M0 C636 100N

+8V R650 1K0 C638 100N Q607 BC848W R669 1K8 R667 1M0 C640 47U C639 47U R666 150K R685 0 ALC DISABLE BOARD ID

#012 680

#014 2K2

#015 4K7

#016 6K8

#017 10K

#018 27K

#019 47K

#F01 100K

#F02 220K

#F03 470K

#012 680J

#014

#015 2K2J 4K7J 6K8J

VARIANT

#017

#016 INDICATORS

#018

#019

#F01

#F02

#F03

10KJ 27KJ

47KJ 100KJ 220KJ 470KJ

TAIT ELECTRONICS T2000 ENHANCED HC11 PLATFORM AUDIO CCTRY IPN:

220-01344-02 ISSUE:

A PROJECT:

T2000 DESIGNER:

SD FILE NAME:

2K0RB02A ID:

2.SC. 1 FILE DATE:

21-8-96 NO.SHEETS:

2 W

9 8 7 6 5 4 3 2 1 0

+13.8V C514A 1N0 IC514 8 VIN 1 VOUT 78L08 GROUND 2 3 6 7 C514B 1N0 C514 100N

+8-VOLTS IC513 8 VIN 1 VOUT 78L05 GROUND 2 3 6 7 C635A 47U C635 47U C645 150P R651 15K

+5V R572 10K Q501 BC848W R501 47K R502 47K

+13.8V C524 47U

+5V

+8V R509 2K2 POWERCONTROL IGNITION 4 S2 2X6 WAY TOP ENTRY SMD SKT 7

+13V-ECON

+13.8V-UNSW

+13V-ECON

+13.8V-UNSW

+5V

+13.8V

+8V 7 S2 2X6 WAY TOP ENTRY SMD SKT 2X6 WAY TOP ENTRY SMD SKT 8 S2 9 S2 6

+8V-TX 10 PWR-SENSE 11 PWR-CNTRL 12

+8V-TX R518 1K0 R523 1K0 To RF PCB PA-AUDIO 1 S2 OPTIONS-GND EXTERNAL 2 3 5 6 2X6 WAY TOP ENTRY SMD SKT S2 2X6 WAY TOP ENTRY SMD SKT S2 2X6 WAY TOP ENTRY SMD SKT S2 2X6 WAY TOP ENTRY SMD SKT S2 2X6 WAY TOP ENTRY SMD SKT 2X6 WAY TOP ENTRY SMD SKT S2 2X6 WAY TOP ENTRY SMD SKT S2 2X6 WAY TOP ENTRY SMD SKT S2 2X6 WAY TOP ENTRY SMD SKT

+8V R610 0 16 15 13 12 11 10 9 8 6 5 4 3 2 1 S1 2X8 WAY TOP ENTRY SMD SKT S1 2X8 WAY TOP ENTRY SMD SKT S1 2X8 WAY TOP ENTRY SMD SKT S1 2X8 WAY TOP ENTRY SMD SKT S1 2X8 WAY TOP ENTRY SMD SKT S1 2X8 WAY TOP ENTRY SMD SKT S1 2X8 WAY TOP ENTRY SMD SKT S1 2X8 WAY TOP ENTRY SMD SKT S1 2X8 WAY TOP ENTRY SMD SKT 2X8 WAY TOP ENTRY SMD SKT S1 2X8 WAY TOP ENTRY SMD SKT S1 2X8 WAY TOP ENTRY SMD SKT S1 2X8 WAY TOP ENTRY SMD SKT S1 2X8 WAY TOP ENTRY SMD SKT S1 2X8 WAY TOP ENTRY SMD SKT S1 2X8 WAY TOP ENTRY SMD SKT

+8-VOLTS To RF PCB DGND

+5V-SYNTH SY-ENABLE 14 SY-DATA SY-CLK MOD 7 S1 LCK-DET

+8-VOLTS

+8V-SYNTH AF-SIG LF-SIG DET-AF GND BUSY RSSI DGND 9 8 5 4 3 2 1 0

A B C D E F G H I J K O P Q R S T U V W D N G D D N G D D N G D D N G D 4 3 T K S D M S Y R T N E P O T Y A W 6 X 2 6 1 S

T K S D M S Y R T N E P O T Y A W 6 X 2 6 1 S

1 T K S D M S Y R T N E P O T Y A W 6 X 2 6 1 S

2 1 T K S D M S Y R T N E P O T Y A W 6 X 2 8 1 S

1 1 T K S D M S Y R T N E P O T Y A W 6 X 2 8 1 S

0 1 T K S D M S Y R T N E P O T Y A W 6 X 2 8 1 S

3 D A 1 1 A 4 D A 2 D A 5 D A 1 D A 6 D A 0 D A 7 D A 0 A 1 A 0 1 A 2 A 4 3 A A 9 A 8 5 A A 7 6 A A 2 1 A 3 1 A 4 1 A 9 8 7 6 5 4 3 2 1 9 8 7 6 5 4 3 2 1 9 8 7 6 5 2 T K S D M S Y R T N E P O T Y A W 6 X 2 8 1 S

T K S D M S Y R T N E P O T Y A W 6 X 2 8 1 S

T K S D M S Y R T N E P O T Y A W 6 X 2 8 1 S

T K S D M S Y R T N E P O T Y A W 6 X 2 8 1 S

T K S D M S Y R T N E P O T Y A W 6 X 2 8 1 S

T K S D M S Y R T N E P O T Y A W 6 X 2 8 1 S

T K S D M S Y R T N E P O T Y A W 6 X 2 8 1 S

T K S D M S Y R T N E P O T Y A W 6 X 2 8 1 S

T K S D M S Y R T N E P O T Y A W 6 X 2 8 1 S

T K S D M S Y R T N E P O T Y A W 6 X 2 7 1 S

T K S D M S Y R T N E P O T Y A W 6 X 2 7 1 S

T K S D M S Y R T N E P O T Y A W 6 X 2 7 1 S

T K S D M S Y R T N E P O T Y A W 6 X 2 7 1 S

T K S D M S Y R T N E P O T Y A W 6 X 2 7 1 S

T K S D M S Y R T N E P O T Y A W 6 X 2 7 1 S

T K S D M S Y R T N E P O T Y A W 6 X 2 7 1 S

T K S D M S Y R T N E P O T Y A W 6 X 2 7 1 S

T K S D M S Y R T N E P O T Y A W 6 X 2 7 1 S

T K S D M S Y R T N E P O T Y A W 6 X 2 6 1 S

T K S D M S Y R T N E P O T Y A W 6 X 2 6 1 S

T K S D M S Y R T N E P O T Y A W 6 X 2 6 1 S

T K S D M S Y R T N E P O T Y A W 6 X 2 6 1 S

T K S D M S Y R T N E P O T Y A W 6 X 2 6 1 S

T K S D M S Y R T N E P O T Y A W 6 X 2 6 1 S

2 1 T K S D M S Y R T N E P O T Y A W 6 X 2 7 1 S

1 1 T K S D M S Y R T N E P O T Y A W 6 X 2 7 1 S

0 1 T K S D M S Y R T N E P O T Y A W 6 X 2 7 1 S

Q E R I W R

A E D O M V 5 S +

A Q R 5 X 1 A I T E S E R

2 1 T K S D M S Y R T N E P O T Y A W 6 X 2 6 1 S

1 1 T K S D M S Y R T N E P O T Y A W 6 X 2 6 1 S

0 1 T K S D M S Y R T N E P O T Y A W 6 X 2 6 1 S

A11 A0 A1 A10 A2 A3 A4 A9 A5 A8 A6 A7 A12 A13 A14 A15

+5V A0 A1 A2 AD3 AD4 AD2 AD5 AD1 AD6 AD0 AD7 P EXPANSION CONNECTORS XIRQ IRQ R/W AS

/RES E MODA 3 V 2 2 V 2 2 V 2 0 A 1 A 2 A V 5

6 V 5

4 4 K 3 T

K N L B T 4 4 K 3 T

E T U M M

. 4 4 K 3 T

4 2 1 1 3 2 T S R S 4 4 K 3 T

K L C S T A D S 0 1 4 4 K 3 T

4 4 K 3 T

N I

G S I 4 4 K 3 T

9 4 1 5 D N G D 4 4 K 3 T

D N G 2 2 4 4 K 3 T

M Selcall N E N O T S 7 1 4 4 K 3 T

L R D A 4 4 K 3 T

1 V 2 1 V 2 1 V 2 1 V 2 1 V 2 1 V 2 1 V 2 0 V 2 0 D A 1 D A 2 D A 3 D A 4 D A 5 D A 6 D A 7 D A AD0 AD1 AD2 AD3 AD4 AD5 AD6 AD7 0 V 2 Q R I Q R I

/RES

+5V

+5V R556 10K PTT 2V4 C504 100N MC34064D IC504 LVI 1 RES 2 IN GND 4 R525A 330 R525 330 R526 4K7 C503 100N

+5V REMOTE SWITCH

+13.8V-UNSW PAD2

+13.8V TO MODEM R543 2K2

#Q511 MJD2955

+13.8V TX HIGH LOW MAX 5V0 4V3-5V0 0V C502 100N

+5V R570 4K7

+5V TEST MODE PD4 2V5 PD5 2V5 C519 100N R535 1K0 R553 47K 52 VRH 51 VRL 26

+V R530 47K R531 4K7 R532 47K R533 47K R534 4K7

/RES

A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 12 11 10 9 8 7 6 5 27 26 23 25 4 28 29 3 2 30 24 22 31 A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16 NC OE CE PGM

+5V

#R713 0 R716 0603

+5V R507 0 1 VPP 32 VCC IC501 SK501 27C101J-15 128K X 8 EPROM PLCC 13 14 15 17 18 19 20 21 O0 O1 O2 O3 O4 O5 O6 O7 GND 16

#R717 0

#R717A 0 R519 100K I/OPAD I/OPAD M O R 5 1 A M O R 6 1 A 1E8 CTCSS-TX E C M A R E C M O R 5 R 2 5 R 2 PAD1 POWERCONTROL R554 100K TOMODEM A8 A9 A10 A11 A12 A13 A14 A15 A0 A1 A2 A3 A4 A5 A6 A7 A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 20 CS 11 12 13 15 16 17 18 19 D0 D1 D2 D3 D4 D5 D6 D7

#IC500 M48Z35 32KX8 RAM C721 100N

+5V 28

+V A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 GND 14 10 9 8 7 6 5 4 3 25 24 21 23 2 26 1 WE OE 27 22 W 2V2 2V3

/OE C720 100N AD0 AD1 AD2 AD3 AD4 AD5 AD6 AD7 R714 0 R715 0603 AD0 AD1 AD2 AD3 AD4 AD5 AD6 AD7 AD0 AD1 AD2 AD3 AD4 AD5 AD6 AD7

(A17)

+5V

/RES

+5V C571 100N C570 100N 25 24 MODE1MODE2 RS 58 13 63 VDDVDD AS E R/W 60 44 16 56 2 54 17 8 6 1 83 94 91 49 59 ASCSPROG CECSR1 A16RCSR2 CSCSRAM PA1CSEE OEA16ROM A15ROM PEOA13RA PE1A12RA ADRA13EE CTCA12EE DCDDATB ECLK WERWOUT RWINPUT LE SCLK DI RXSCIIN RXSCIOUT TXSCIIN TXSCIOUT PA3S1 RXCTCI01 RXSNCI11 TBLNKY1 SDALKDTI CSCLKDTO MMTTXINO 4 100 82 SGSQLCHI PE4SGSQO MMTIBSYI RXCDBSYO 9 89 10 61 14 11 97 87 81 90 3 68 7 93 95 86 5 71 70 15 27 67 69 73 66 72 98 31 92 65 64 85 84 20 21 28 29 50 30 74 75 76 77 78 79 80 99 SH10 SH11 SH12 SH13 SH14 SH15 SH16 SH17 SH20 SH21 SH22 SH23 SH24 SH25 SH26 SH27 SH30 SH31 SH32 SH33 SH34 SH35 SH36 SH37 SH40 SH41 SH42 SH43 SH44 SH45 SH46 SH47 IC555 GATE ARRAY D65626 40 41 42 43 45 46 47 48 51 52 55 53 32 19 18 57 ADA0 ADA1 ADA2 ADA3 ADA4 ADA5 ADA6 ADA7 A8 A9 A10 A11 A12 A13 A14 A15 39 22 23 37 36 35 34 33 ALD0 ALD1 ALD2 ALD3 ALD4 ALD5 ALD6 ALD7

+13.8V R547 100K R537 47K R538 22K Q0 Q1 TP606 1J5 1I6 TP607 TP608 R549 1K0 R550 100K TP609 BC848W Q505

+13V-ECON Q510 BC848W CLKDIV2 CLKIN 96 26 DGND 12 38 62 88 BEEP-TONE ATTENUATOR ECONOMYCCT

+5V R521 10K R522 4K7 C517 680P G S D Q509 BFR31 50K RV507

+5V 3 2 CW 1 LOWPOWER ADJUST R508 100K C509 1N0 R506 10K R505 150K R400 10K Q515 BC857W R403 27K Q516 BC857W R402 27K Q517 BC848W R510 10M C501 680P 14

13 LM324D IC604

12

+8V R503 47K

#R517 220K Q514 BC857W C522 100N

+8-VOLTS R639 2K2 C523 100N

+5V R529 0

#R524 330K R516 100K C525 150P C526 150P R511 470K R512 100K C527 150P C512 1N0 LOCK DETECT

6 LM324D IC604

5 7 R515 100K R514 100K R520 2K2 MOD LF-SIG DET-AF 1P5 1M7 1E8 PAD3 DETECT-AUDIO TO MODEM

/RES I/OPAD XIRQ IRQ I/OPAD R/W E AS MODA MANUAL RESET FACTORY ONLY I/OPAD I/OPAD Q506 BC848W R500 470 3 2 R544 47K R545 47K 3 1 D502 BAV99W D502 BAV99W C600 1N0 MIC-IN 1V5 1O5 AF R659 680 C652 1N0 6 5 6 R

0 C653 1N0 R653 680 A15 A14 A13 A12 A11 A10 A9 A8 AD7 AD6 AD5 AD4 AD3 AD2 AD1 AD0 IC505 68HC11A1 25 24 23 22 21 20 27 28 29 30 31 32 33 34 50 48 46 44 49 47 45 43 PD5 PD4 PD3 PD2 PD1 PD0 PA7 PA6 PA5 PA4 PA3 PA2 PA1 PA0 PE7 PE6 PE5 PE4 PE3 PE2 PE1 PE0 RESET XIRQ 17 18 19 IRQ R/W 6 5 E 4 3 2 35 36 37 38 39 40 41 42 16 15 14 13 12 11 10 9 8 AS MODA MODB PB7 PB6 PB5 PB4 PB3 PB2 PB1 PB0 PC7 PC6 PC5 PC4 PC3 PC2 PC1 PC0 XTAL 7 EXTAL

+5V R540 4K7 C507 27P

+5V 16 VCC C550 100N 2 Q6 12 Q7 3 Q8

#R552 0 4021

#IC503 SHIFT REG 7 6 5 4 13 14 15 1 11 D0 D1 D2 D3 D4 D5 D6 D7 DS 12 2 0 5 C I 3 0 0 C H 4 7 CK P/S C GND 10 9 8 R551 10K GND 1 RX-CTCSS 1M7 SQH 2V6 MIC/MUTE 1V5 X501 8.064M R539 1M0 IC502 74HC00 6 RAMCE 5 ROMCE 4 2G5 2G5 IC502 74HC00 12 13 11 CEN 2V0 TC7S04F IC511 2 4 8 IC502 74HC00 9 10 RESET 2V2 DS 2V5

+5V R700 47K R699 47K PTT TO MODEM PAD6 R541 100K Q504 BC848W C508 100N C506 22P C505 39P C532 1N0 R560 220 R559 220 T2020/T2040 TO CONTROL HEAD

+13.0VUNSW DGND RX-DATA TX-DATA GND AF MIC-IN PA-AUDIO R652 10K

/RESET

+5V SQH PD4 PD5 DS 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7

#S9 2X4 WAY TOP ENTRY SMD SKT

#S9 2X4 WAY TOP ENTRY SMD SKT

#S9 2X4 WAY TOP ENTRY SMD SKT

#S9 2X4 WAY TOP ENTRY SMD SKT

#S9 2X4 WAY TOP ENTRY SMD SKT

#S9 2X4 WAY TOP ENTRY SMD SKT

#S9 2X4 WAY TOP ENTRY SMD SKT

#S9 2X4 WAY TOP ENTRY SMD SKT 1O5

#S8 2X8 WAY TOP ENTRY SMD SKT

#S8 2X8 WAY TOP ENTRY SMD SKT

#S8 2X8 WAY TOP ENTRY SMD SKT

#S8 2X8 WAY TOP ENTRY SMD SKT

#S8 2X8 WAY TOP ENTRY SMD SKT

#S8 2X8 WAY TOP ENTRY SMD SKT

#S8 2X8 WAY TOP ENTRY SMD SKT

#S8 2X8 WAY TOP ENTRY SMD SKT To Control Head

+5V SQH 2K5 PD4 PD5 DS 2N8 2N8 2O5

+13.8V-UNSW DGND 8

+13.8V-UNSW 5

+13.8V IC510 2 4 TC7S04F

#S8 2X8 WAY TOP ENTRY SMD SKT 9

+13.8V

#S8 2X8 WAY TOP ENTRY SMD SKT 10 TXDATA

#S8 2X8 WAY TOP ENTRY SMD SKT 11 RXDATA PTT 2P8

#S8 2X8 WAY TOP ENTRY SMD SKT 12 PTT

#S8 2X8 WAY TOP ENTRY SMD SKT

#S8 2X8 WAY TOP ENTRY SMD SKT 13 14 GND AF MIC-AUD

#S8 2X8 WAY TOP ENTRY SMD SKT 15 MIC-AUD 1P7 4

#S8 2X8 WAY TOP ENTRY SMD SKT 16 VOL-CONT To UART PCB

/OE A0 2G1 2K9

+5V P1 2 P1 1 P1 17 P1 18 P1 20 P1 4 P1 5 P1 16 P1 19 P1 3 P1 14 P1 13 P1 12 P1 11 P1 10 9 P1 P1 8 7 P1 15 P1 6 P1

/OE A0

+5V DGND DGND A2 A1 RESET CGND W AD0 AD1 ASD2 AD3 AD4 AD5 AD6 AD7 CEN IRQ A2 A1 RESET W AD0 AD1 AD2 AD3 AD4 AD5 AD6 AD7 CEN IRQ 2K9 2K9 2T5 2G1 2O9 2O9 2P9 2P9 2P9 2P9 2P9 2Q9 2T5 2Q9 9 8 7 6 3 2 1 0 DET-AF-OUT 1I5 P1

#T3K44 24WAY PLUG TAIT ELECTRONICS T2000 ENHANCED HC11 PLATFORM CONTROLBOARD IPN:

220-01344-02 ISSUE:

A PROJECT:

T2000 DESIGNER:

SD FILE NAME:

2K0RB02A ID:

2.SC. 2 FILE DATE:

21-8-96 NO.SHEETS:

2 W R581 2K2

+8V

+8V-TX Q508 BC869 R580 2K2 Q507 BC848W

+5V R578 47K R582 470 R583 470 R591 680 R592 680 C520 100N 24 VDD XTAL/CLK TX SYNC TX DATA TX ENABLE NC RX ENABLE RX SIG

#IC517 FX469LS RX SYNC BANDPASS CLKD DATA UNCLKD DATA R566A 100K R566 100K XTAL CLK TX SIG 2 21 5 6 16 9 13 17 23 22 11 NC NC 1 3 7 8 10 18 14 15 19 20 C DET 4 NC

+5V

#R579 0603 2400BSEL TIME CON 4800BSEL BIAS GND 12

#R593 0603 R565 2K7 R562 10K Q513 BC848W TX-SWITCH

+8V C534 100N

+8V R569 100K C811 100N R568 100K R564 1K0 3

IC604 LM324D 1

#C810 150P

#C812 150P R567 2 100K

#R571 220K C813 5P6 C536 4U7 T C535 100N R573 100K C538 100N 1 CW R598 2 220K 3

#RV599 50K FFSK LEVEL C511 10N

+5V 5 V+

IC510 TC7S04F 3 V-

R563 3K9 R594 100K

#R597 10K R589 100K C533 100N C516 100N

#R596 39K 1 CW 2 3

#RV508 50K TP610 PTT-TO-OPT

/PTT-FRM-OPT AUX-ON/OFF 1F8 1F7 1F8 Options Dsp connections to sheet 2

+5V R584 47K C537 4U7

+5V 5 V+

IC511 TC7S04F 3 V-

C722 100N C560 100N

+5V 14 V+

IC502 74HC00 7 V-

R504 4K7 AUDIO CONNECTIONS TO SHEET-2. 1M5 1S5 1L5 1T5 1J5 1T5 RX-GTD-AF TX-LINE-IN RX-LINE-IN TX-LINE-OUT RX-LINE-OUT ALC-IN 1N5 RX-BEEP T K S D M S Y R T N E P O T Y A W 6 X 2 T K S D M S Y R T N E P O T Y A W 6 X 2 T K S D M S Y R T N E P O T Y A W 6 X 2 T K S D M S Y R T N E P O T Y A W 6 X 2 T K S D M S Y R T N E P O T Y A W 6 X 2 T K S D M S Y R T N E P O T Y A W 6 X 2 T K S D M S Y R T N E P O T Y A W 6 X 2 3 1 S

3 1 S

3 1 S

3 1 S

3 1 S

3 1 S

3 1 S

3 1 S

1 2 3 4 5 6 7 8 T K S D M S Y R T N E P O T Y A W 6 X 2 0 9 5 R K 0 7 4 T U O

F A

T E D

T U O E N L

X R I

T U O E N L

X T I N I

C L A N I

I E N L

X R N I

I E N L

X T

F A D T G X R

N I

I G S X T

T K S D M S Y R T N E P O T Y A W 6 X 2 T K S D M S Y R T N E P O T Y A W 6 X 2 3 1 S

9 P E E B X R

3 1 S

0 1 I G S

F L

X T R548 10K T K S D M S Y R T N E P O T Y A W 6 X 2 T K S D M S Y R T N E P O T Y A W 6 X 2 3 1 S

2 1 W S N U V 8

. 3 1

C510 10N R812 0 3 1 BAV99W D503 1M5 RX-GATE

+13.8V

+5V

+13.8V-UNSW 3 2 D503 BAV99W 5 V 1 E T U M C M

I 4 1 S

T K S D M S Y R T N E P O T Y A W 8 X 2 8 E T U M C M

I 3 1 S

1 1

D N G S N O T P O I K 4 1 S

T K S D M S Y R T N E P O T Y A W 8 X 2 1 4 1 S

T K S D M S Y R T N E P O T Y A W 8 X 2 2 4 1 S

T K S D M S Y R T N E P O T Y A W 8 X 2 3 4 1 S

T K S D M S Y R T N E P O T Y A W 8 X 2 4 4 1 S

T K S D M S Y R T N E P O T Y A W 8 X 2 5 4 1 S

T K S D M S Y R T N E P O T Y A W 8 X 2 6 4 1 S

T K S D M S Y R T N E P O T Y A W 8 X 2 7 4 1 S

T K S D M S Y R T N E P O T Y A W 8 X 2 9 H C L E U Q S G S

I

4 1 S

T K S D M S Y R T N E P O T Y A W 8 X 2 0 1 Y C N E G R E M E

4 1 S

T K S D M S Y R T N E P O T Y A W 8 X 2 1 1 W S

L L A C 4 1 S

T K S D M S Y R T N E P O T Y A W 8 X 2 2 1 H S U H 4 1 S

T K S D M S Y R T N E P O T Y A W 8 X 2 3 1

F F O N O X U A

4 1 S

T K S D M S Y R T N E P O T Y A W 8 X 2 4 1 4 1 S

T K S D M S Y R T N E P O T Y A W 8 X 2 5 1 N R O H I S S R 4 1 S

T K S D M S Y R T N E P O T Y A W 8 X 2 6 1 L A N R E T X E

T P O M R F

T T P

K C O L

N I

V 8

. 3 1

V 5

Y S U B OPTION CONNECTORS E T A G X R

T P O O T

T T P M 1A 1A SELCALL/DSP CONNECTIONS JUST A COUPLE OF SMALL MODS -NOT!

REV/ISS A AMENDMENTS B C SD DBH DRAWN D.O. CHKD D APVD E 5-7-96 DATE F G H I J L N O P Q R S T U V