Tait TM8100 mobiles, TM8200 mobiles Service Manual

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TM8100 mobiles TM8200 mobiles

Service Manual

MMA-00005-05 Issue 5 November 2007

2 TM8100/TM8200 Service Manual

Contact Information

Tait Radio Communications Corporate Head Office

Tait Electronics Limited P

.O. Box 1645 Christchurch New Zealand

For the address and telephone number of regional offices, refer to the TaitWorld website:

We b si t e : ww

w.taitworld.com

Technical Support

For assistance with specific technical issues, contact Technical Support:

E-mail: support@taitworld.com We b si t e : www.taitworld.com/technical

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

The word TAIT and the TAIT logo are trademarks of T

ait Electronics Limited.

All trade names referenced are the service mark, trade

mark or registered trademark of the respective

manufacturers.

Disclaimer

There are no warranties extended or granted by this document. Tait Electronics Limited accepts no responsibility for damage arising from use of the information contained in the document or of the equipment and software it describes. It is the responsibility of the user to ensure that use of such information, equipment and software complies with the laws, rules and regulations of the applicable jurisdictions.

Enquiries and Comments

If you have any enquiries regarding this document, or any comments, suggestions and notifications of errors, please contact Technical Support.

Updates of Manual and Equipment

In the interests of improving the performance, reliability or servicing of the equipment, Tait Electronics Limited reserves the right to update the equipment or this document or both without prior notice.

Intellectual Property Rights

This product may be protected by one or more patents of Tait Electronics Limited together with their international equivalents, pending patent applications and registered trade marks: NZ338097, NZ508054, NZ508340, NZ508806, NZ508807, NZ509242, NZ509640, NZ509959, NZ510496, NZ511155, NZ511421, NZ516280/519742, NZ519118, NZ519344, NZ520650/537902, NZ522236, NZ524369, NZ524378, NZ524509, NZ524537, NZ524630, NZ530819, NZ534475, NZ534692, NZ535471, NZ536945, NZ537434, NZ546295, NZ547713, NZ521450, AU2003281447, AU2002235062, AU2004216984, AU2005207405, CA2439018, CA2554213, EU 03784706.8, EU02701829.0, EU04714053.8, EU05704655.9, GB23865476, GB2386010, GB2413249, GB0516092.4, US11,232716, US10/597339, US10/ 520827, US10/468740, US5,745,840, US10/547653, US10/546696, US10/547964, US10/523952, US11/

572700.

To Our European Customers

Tait Electronics Limited is an environmentally responsible company which supports waste minimization and material recovery. The European Union’s

Waste Electrical and Electronic Equipment Directive requires that this product be disposed of separately from the general waste stream when its service life is over. Please be environmentally responsible and dispose through the original supplier, your local municipal waste “separate collection” service, or contact Tait Electronics Limited.

TM8100/TM8200 Service Manual 3 © Tait Electronics Limited November 2007

Contents

Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Scope of Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Hardware and Software Versions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Associated Documentation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Publication Record . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Alert Notices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Part A – Description of the Radio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

1 Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

2 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

3 Circuit Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

Part B – Servicing the Radio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .103

4 General Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107

5 Disassembly and Reassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135

6 Servicing Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155

7 Power Supply Fault Finding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 169

8 Interface Fault Finding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179

9 Frequency Synthesizer Fault Finding . . . . . . . . . . . . . . . . . . . . . . . . 185

10 Receiver Fault Finding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 247

11 Transmitter Fault Finding (>25W) . . . . . . . . . . . . . . . . . . . . . . . . . 267

12 Transmitter Fault Finding (25W) . . . . . . . . . . . . . . . . . . . . . . . . . . 341

13 CODEC and Audio Fault Finding. . . . . . . . . . . . . . . . . . . . . . . . . . 399

14 Fault Finding of Control Head with Graphical Display . . . . . . . . . . . 423

15 Fault Finding of Control Head with 1-, 2- or 3-Digit Display. . . . . . 447

16 Spare Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 455

Part C – Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .465

17 TMAA01-01 Line-Interface Board . . . . . . . . . . . . . . . . . . . . . . . . . 469

18 TMAA01-02 RS-232 Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 489

19 TMAA01-05 and TMAA01-07 Options Extender Boards . . . . . . . . 497

20 TMAA02-02 DTMF Microphone . . . . . . . . . . . . . . . . . . . . . . . . . 507

21 TMAA02-06 Support Kit for Concealed & Dynamic Microphones. . 511

22 TMAA02-07 Concealed Microphone . . . . . . . . . . . . . . . . . . . . . . . 519

23 TMAA02-08 Keypad Microphone . . . . . . . . . . . . . . . . . . . . . . . . . 521

24 TMAA03-02 Security Bracket . . . . . . . . . . . . . . . . . . . . . . . . . . . . 525

25 Installing a Remote Kit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 529

26 Installing an Enhanced Remote Kit . . . . . . . . . . . . . . . . . . . . . . . . . 545

27 TMAA03-31 Control Head Interface Box . . . . . . . . . . . . . . . . . . . . 561

4 TM8100/TM8200 Service Manual

28 TMAA03-34 Extender Box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 567

29 TMAA04-04 Crossband Linking Cable. . . . . . . . . . . . . . . . . . . . . . 573

30 TMAA04-05 Ignition Sense Kit . . . . . . . . . . . . . . . . . . . . . . . . . . . 579

31 TMAA04-06 Linking and Interface Cable . . . . . . . . . . . . . . . . . . . . 581

32 TMAA10-01 Desktop Microphone . . . . . . . . . . . . . . . . . . . . . . . . 589

33 TMAA10-02 Handset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 593

34 TMAA10-03 and TMAA10-06 High-Power Remote Speakers . . . . 597

35 TMAA10-04 Remote PTT Kit and TMAA10-05 Hands-Free Kit . . 599

36 TMAA10-07 Desktop Microphone . . . . . . . . . . . . . . . . . . . . . . . . 607

37 TMAA10-08 Desktop Microphone . . . . . . . . . . . . . . . . . . . . . . . . 609

38 TOPA-SV-024 Test Unit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 613

TM8100/TM8200 Service Manual 5 © Tait Electronics Limited November 2007

Preface

Scope of Manual

This manual contains information to service technicians for carrying out level-1 and level-2 repairs of TM8100 and TM8200 radios and accessories.

Level-1 repairs entail the replacement of faulty parts and circuit boards; level-2 repairs entail the repair of circuit boards, with the exception of certain special items on the boards. The manual does not cover level-3 repairs, which entail the repair of the special items.

Hardware and Software Versions

This manual describes the following hardware and software versions. The IPNs (internal part numbers) of the boards are listed below; the last two digits in the IPN represent the issue of the board. The board information in this manual covers all production-issue boards up to the issue listed below.

■ Main board (A4 band) 25W : 220-02074-04

■ Main board (B1 band) 25W : 220-01700-14

■ Main board (B1 band) 50W : 220-01723-04

■ Main board (C0 band) 25W : 220-01742-04

■ Main board (D1 band) 25W : 220-01717-02

■ Main board (H5 and H6 bands) 25W : 220-01697-11

■ Main board (K5 band) 30/35W : 220-02146-06

■ Main board (G2, H5 and H7 bands) 40W : 220-01722-04

■ Control-head board (1-digit display) : 220-02070-01

■ Control-head board (2-digit display) : 220-01699-03

■ Control-head board (3-digit display) : 220-02151-02

■ Control-head board (graphical display) : 220-01718-01

■ Control-head board (RJ45) : 220-01720-05

■ Programming application (TM8100) : version 3.02

■ Programming application (TM8200) : version 4.02

■ Calibration application : version 4.05

6 TM8100/TM8200 Service Manual

Associated Documentation

The following associated documentation is available for this product:

Manuals ■ MMA-00002-xx TM8100 User’s Guide

■ MMA-00003-xx TM8200 User’s Guide

■ MMA-00051-xx TM8235 User’s Guide

■ MMA-00028-xx TM8100/TM8200 Installation Guide

■ MMA-00006-xx TM8100 Operator’s Guide

■ MMA-00004-xx TM8200 Operator’s Guide

PCB Information ■ MMA-00016-xx TM8100/TM8200 Main Board A4 25W

■

MMAB12-B1-00-814

TM8100/TM8200 Main Board B1 25W (board IPN 220-01700-05)

■ MMA-00031-xx TM8100/TM8200 Main Board B1 25W

(boards after IPN 220-01700-05)

■ MMA-00050-xx TM8100/TM8200 Main Board C0 25 W

■ MMA-00032-xx TM8100/TM8200 Main Board D1 25W

■

MMAB12-H5-00-814

TM8100/TM8200 Main Board H5/H6 25W

(board IPN 220-01697-05)

■ MMA-00033-xx TM8100/TM8200 Main Board H5/H6 25W

(boards after IPN 220-01697-05)

■ MMA-00069-xx TM8100/TM8200 Main Board K5 30/35W

■ MMA-00020-xx TM8100/TM8200 Main Board B1 50W

■ MMA-00021-xx TM8100/TM8200 Main Board G2/H5/H7 40W

■ MMA-00035-xx TM8100 Control-Head Board (2-Digit Display)

■ MMA-00036-xx TM8100 Control-Head Board (1-Digit Display)

■ MMA-00015-xx TM8200 Control-head Board (Graphical Display)

■ MMA-00058-xx TM8200 Control-Head Board (3-Digit Display)

■ MMA-00034-xx TM8200 Control-Head Board (RJ45)

■ MMA-00037-xx TM8100/TM8200 PCB Information

(printed, pre-punched and shrink wrapped; comprises the latest releases of MMA-00015-xx, MMA-00016-xx, MMA-00020-xx, MMA-00021xx, MMA-00031-xx, MMA-00032-xx, MMA-00033-xx, MMA-00034-xx, MMA-00035xx, MMA-00050-xx, MMA-00058-xx, MMA00069-xx).

The characters xx represent the issue number of the documentation.

All available documentation is provided on the TM8100/TM8200 Service CD, product code TMAA20-01. Updates may also be published on the Tait support website.

TM8100/TM8200 Service Manual 7 © Tait Electronics Limited November 2007

3DK Manuals The following manuals are mainly of concern to third-party developers.

The manuals are supplied on the 3DK (third-party developer’s kit) resource CD.

■ MMA-00011-xx TM8100/TM8200 3DK Hardware Developer’s

Kit Application Manual

■ MMA-00014-xx TMAA30-02 TM8000 3DK Application Board

Software Programmer’s Manual

■ MMA-00013-xx TMAA30-02 TM8000 3DK Application Board

Service Manual

■ MMA-00038-xx TM8100/TM8200 Computer-controlled Data

Interface Protocol Definition

Publication Record

Alert Notices

Within this manual, four types of alerts are given to the reader: warning, caution, important and note. The following paragraphs illustrate each type of alert and its associated symbol.

Warning!! This alert is used when there is a potential risk

of death or serious injury.

Caution This alert is used when there is the risk of minor or

moderate injury to people.

Important This alert is used to warn about the risk of equipment dam-

age or malfunction.

Issue Publication Date Description

01 March 2005 first release

02 May 2005 update for 40W/50W radios

03 August 2005 update to board issue 10 (B1, H5 and H6 bands)

of 25W radios, incorporation of accessories manual

04 June 2006 include TM8200 3-digit-display control head, A4

and C0 bands, and information on issue -05 main board for B1, H5 and H6 bands

05 November 2007 include G2 and K5 bands,

update product codes of control heads, new space frame and speaker clamp for control heads with 1-, 2- or 3-digit display

8 TM8100/TM8200 Service Manual

Note This alert is used to highlight information that is required to

ensure that procedures are performed correctly.

Abbreviations

Abbreviation Description

ACP Adjacent Channel Power

ADC Analog-to-Digital Converter

AGC Automatic Gain Control

ALC Automatic Level Control

ASC Accredited Service Centre

C4FM Compatible Four-level Frequency Modulation

CCTM Computer-Controlled Test Mode

CODEC Coder-Decoder

CSO Customer Service Organisation

CTCSS Continuous-Tone-Controlled Subaudible Signaling

DAC Digital-to-Analog Converter

DC Direct Current

DSP Digital Signal Processor

DTMF Dual-Tone Multi-Frequency

EPTT External PTT (Press-To-Talk)

ESD Electrostatic Discharge

FCL Frequency Control Loop

FE Front-End

FEC Forward Error Correction

FPGA Field-Programmable Gate Array

GPIO General Purpose Input/Output

GPS Global Positioning System

GUI Graphical User Interface

IC Integrated Circuit

IPN Internal Part Number

IF Intermediate Frequency

TM8100/TM8200 Service Manual 9 © Tait Electronics Limited November 2007

IQ In-Phase and Quadrature

ISC International Service Centre

LCD Liquid-Crystal Display

LED Light-Emitting Diode

LNA Low-Noise Amplifier

LO Local Oscillator

LPF Low-Pass Filter

NPN Negative-Positive-Negative

PA Power Amplifier

PCB Printed Circuit Board

PLL Phase-Locked Loop

PNP Positive-Negative-Positive

PSU Power Supply Unit

PTT Press-To-Talk

RISC Reduced Instruction Set Computing

RSSI Received Signal Strength Indication

SFE Software Feature Enabler

SMA Sub Miniature Version A

SMD Surface-Mount Device

SMT Surface-Mount Technology

SMPS Switch-Mode Power Supply

SPI Serial Peripheral Interface

TCXO Temperature-Compensated Crystal Oscillator

TEL Tait Electronics Limited

UHF Ultra High Frequency

VCO Voltage-Controlled Oscillator

VCXO Voltage-Controlled Crystal Oscillator

VHF Very High Frequency

Abbreviation Description

10 TM8100/TM8200 Service Manual

TM8100/TM8200 Service Manual 11 © Tait Electronics Limited November 2007

Part A – Description of the Radio

1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

1.1 Frequency Bands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

1.2 RF Output Power. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

1.3 Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

1.4 Product Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

1.5 Labels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

1.6 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

2 Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

2.1 Mechanical Design . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

2.2 User Interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

2.3 Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

2.4 Hardware and Software Architecture . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

2.5 Operation in Receive Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

2.6 Operation in Transmit Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

3 Circuit Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

3.1 Transmitter Circuitry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67

3.2 Receiver Circuitry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70

3.3 Frequency Synthesizer Circuitry. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

3.4 Frequency Control Loop . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80

3.5 CODEC and Audio Circuitry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81

3.6 Power Supply Circuitry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85

3.7 Interface Circuitry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90

3.8 Digital Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93

3.9 Control-Head Board with Graphical Display . . . . . . . . . . . . . . . . . . . . . 96

3.10 Control-Head Board with 1-, 2- or 3-Digit Display . . . . . . . . . . . . . . . . 99

3.11 RJ45 Control Head. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102

12 TM8100/TM8200 Service Manual

TM8100/TM8200 Service Manual Introduction 13 © Tait Electronics Limited November 2007

1 Introduction

The TM8100 and TM8200 series is a range of high-performance microprocessor-controlled radios for analog voice and data communication. The radios are designed for installation in vehicles but can also be used in desktop, remote-monitoring and similar applications.

This manual includes the information required for servicing the radio and its accessories.

This section describes the different options available for:

■ frequency bands

■ RF output power

■ accessories

■ product codes.

This section also gives an overview of the labels on the product and the specifications.

Figure 1.1 TM8200 mobile radios

TM8235 radio with 3-digit-display control head

TM8250 or TM8255 radio with graphical-display control head

TM8252 radio with RJ45 control head

14 Introduction TM8100/TM8200 Service Manual

Figure 1.2 TM8100 mobile radios

rear view (25W radio)

TM8115 radio with 2-digit-display control head

TM8110 radio with 1-digit-display control head

TM8105 radio with blank control head

TM8100/TM8200 Service Manual Introduction 15 © Tait Electronics Limited November 2007

1.1 Frequency Bands

The radios are available in the following frequency bands:

■ 66 to 88MHz (A4)

■ 136 to 174MHz (B1)

■ 174 to 225MHz (C0)

■ 216 to 266MHz (D1)

■ 350 to 400MHz (G2)

■ 400 to 470MHz (H5)

■ 450 to 530MHz (H6)

■ 450 to 520MHz (H7)

■ 762 to 870MHz (K5 Tx)

762 to 776MHz and 850 to 870MHz (K5 Rx)

The frequency bands are implemented by different main boards in the radio body. The control heads are identical for all frequency bands.

1.2 RF Output Power

The radio bodies are available with >25W and 25W RF output power.

The two RF output power options are implemented by different main boards in the radio body, mechanically different radio bodies, and different power connectors. The control heads are identical for all RF output power options.

The >25W radio is available in the following frequency bands:

■ B1 (50W)

■ G2 (40W)

■ H5 (40W)

■ H7 (40W)

■ K5 (35W/30W)

The 25W radio is available in the following frequency bands:

■ A4

■ B1

■ C0

■ D1

■ H5

■ H6

>25W

25W

16 Introduction TM8100/TM8200 Service Manual

1.3 Accessories

Tait offers a large variety of audio accessories, installation kits, internal options boards and other accessories such as a desktop power supply.

For more information on these accessories refer to “Part C – Accessories”

on page 465.

Audio Accessories The radios allow for the connection of a comprehensive range of audio

accessories:

■ rugged microphone (standard)

■ DTMF microphone

■ keypad microphone

■ handset

■ concealed microphone (TM8200) and concealed microphone kit

(TM8100)

■ high-power remote speaker

■ remote PTT kit and hands-free kit.

Installation Kits The radio is delivered with a vehicle installation kit, including a U-bracket.

Installation of the radio is described in the user’s guide or the installation guide.

Optional installation kits are:

■ remote control-head kit for remote installation of the control head

■ security bracket for secure and quick-release installation

■ ignition-sense kit.

Internal Options Boards

The radio provides space for an internal options board inside the radio body connecting to an internal options connector. An aperture for an external options connector is also provided.

Tait offers the following internal options boards:

■ line-interface board

■ RS-232 board

■ options-extender board.

Control-Head Options Boards

The radio provides space for a control-head options board inside the blank control head of the TM8105 and TM8252 radios.

Desktop Power Supply

A desktop power supply including the parts for mounting the radio is available for desktop installations.

TM8100/TM8200 Service Manual Introduction 17 © Tait Electronics Limited November 2007

1.4 Product Codes

This section describes the product codes used to identify products of the TM8100 and TM8200 mobile radio product lines.

General The product codes of the TM8100 and TM8200 mobile radio product lines

have the format:

TMAabc–ddee

where:

■ a identifies the product category:

A=accessory, B=radio body, C = control head, S=software feature

■ b, c, dd and ee identify specific product features.

Radio Bodies The product codes of the radio bodies have the format:

TMABbc–ddee[f]

where:

■ b identifies the architecture of the digital board:

1=conventional analog 2=conventional analog (dual-mode capability) 3 identifies the digital boards of the digital TM9100 product line.

■ c identifies the RF output power:

2=25W, 3=25W (trigger-base), 4=30 to 59W, 5=30 to 59W (trigger-base).

■ dd identifies the frequency band:

A4=66 to 88MHz, B1 = 136 to 174 MHz, C0 =174 to 225MHz, D1=216 to 266MHz, G2 =350 to 400MHz, H5=400 to 470MHz, H6=450 to 530MHz, H7= 450 to 520 MHz, K5 = 762 to 870MHz (Tx), 762 to 776MHz and 850 to 870MHz (Rx).

■ ee identifies any radio options:

00=BNC RF connector, 01= mini-UHF RF connector

■ [f] (optional) identifies a combination of software features as loaded at

the time of manufacture

Control Heads The product code of the control heads has the format:

TMACbc–dd[ee]

where:

■ bc identifies control-head user interface and hardware options

■ dd identifies badging and configuration variants

■ [ee] (optional) identifies variations from the standard firmware and or

data load at the time of manufacture.

18 Introduction TM8100/TM8200 Service Manual

Note Product codes not listed here identify control-head configurations

of the digital TM9100 product line.

bc:

Control-head user interface and hardware options

Badging and configuration variants

10 blank control head, no display, 9-pin D-

range connector

0T0ATait, TM8105

Auriga

20 2-digit-display control head 0T

OE AT

Tait, TM8115 ECG, TM8115 Tait, Auriga (dual badge)

30 RJ45 control head, two RJ45 connectors 0T Tait, TM8252

31 RJ45 control head for multi-body, two

RJ45 connectors, RS485

0T 1T

Tait, TM8200 Tait, TM8200, termination resistor in Tait, TM8200, termination resistor out

32 RJ45 control head, two RJ45 connectors,

customer-specific product

0T Tait, TM8124

34 RJ45 control head for dual-head, two

RJ45 connectors, RS485

0T Tait, TM8200

40 graphical-display control head 0T

0E 1T 2T

Tait, TM8200 ECG, TM8200 Tait, TM8200, yellow Tait, TM8200, green

42 graphical-display control head 1T2TTait, TM8200, yellow

Tait, TM8200, green

50 1-digit-display control head 0TATTait, TM8110

Tait, Auriga (dual badge)

60 3-digit-display control head 0T Tait TM8235

TM8100/TM8200 Service Manual Introduction 19 © Tait Electronics Limited November 2007

1.5 Labels

Four external labels are attached to the bottom of the radio body:

■ compliance information

■ serial number and product code

■ hot surface safety warning

■ RF exposure safety warning.

1.6 Specifications

For up-to-date specifications, refer to the area on the TaitWorld website reserved for TM8100 and TM8200 products.

Figure 1.3 Labels of the TM8100 and TM8200 product lines

Contains intellectual property licenced by Digital Voice Systems Inc, Motorola Inc and Tait Electronics Ltd. Details in user documentation.

N46

IC: 737A-TMAH6C FCC ID: CASTMAH6C

TAIT

Made in

New Zealand

TMAH6C

S/N 19061964

TMAB22-H600

450-530 MHz

Tait Electronics Ltd, NZ

20 Introduction TM8100/TM8200 Service Manual

TM8100/TM8200 Service Manual Description 21 © Tait Electronics Limited November 2007

2 Description

This section describes the mechanical design and architecture of the radio, explains the operation of the transceiver and the control head, and gives pinouts of the radio connectors.

2.1 Mechanical Design

Overview The radio consists of the following main components:

■ control head B

■ radio body C.

The control head

B clips firmly to the front face of the radio body C,

where a seal

E provides IP54 class protection. A control-head loom D

connects the control head to the radio body. Two dot-dash-dot marks at the bottom of the radio body indicate the positions where a screwdriver is applied to separate the control head from the radio body.

Figure 2.1 Components of the radio

3068z_01

22 Description TM8100/TM8200 Service Manual

2.1.1 Radio Body

Overview The radio body consists of the following main components (see Figure 2.2

on page 23):

■ cover B

■ lid D

■ internal options board (optional)

■ chassis G

■ main-board assembly F.

Cover The black plastic cover B wraps over the top and sides of the radio body.

Apertures in the sides of the cover allow access to the four external screw bosses of the radio body used for mounting the radio to the U-bracket.

Lid The aluminium lid D is attached to the chassis G with four M4x16 Torx-

head screws

C. A seal fitted inside a groove at the underside of the lid

provides for IP54 class protection. The rear of the lid has an aperture for an external options connector, which may be fitted if an internal options board is used. If no external options connector is used, the aperture is sealed with a bung for IP54 class protection. The lid contains two of the four screw bosses to attach the radio to the U-bracket of the installation kit.

Internal Options Board (Optional)

On the inside of the lid, nine screw points are provided for mounting an internal options board, which can be sized and shaped as required. The internal options board connects to the internal options connector of the main board. Tait offers a range of internal options board, which are described in the accessories section of this manual. For more information on how to create your own internal options board, contact Tait Electronics Limited.

Chassis The aluminium chassis g is different for the >25W radio and the 25W

radio.

The chassis

G houses the main-board assembly F, which is attached with

five screws

E to screw bosses inside the chassis and with two screws I

through the rear of the chassis to the heat-transfer block.

The rear of the chassis has apertures for the RF, power and auxiliary connectors of the main board. If the auxiliary connector is not used, the aperture is sealed with a rubber bung

J for IP54 class protection.

The RF connector has a rubber seal

H which is fitted inside the aperture

for the RF connector.

25W>25W

Figure 2.2 Components of the radio body

cover

chassis

screw M4x 16 (x4)

auxiliary connector bung

lid assembly

screws M4x 16 (x2)

screw M3x 10 (x5)

seal

main-board assembly

gap pad (>25W radio only)

3630z_01

>25W

thermal paste

24 Description TM8100/TM8200 Service Manual

The front of the chassis has an aperture for the control-head connector. The control-head seal is fitted inside a groove around the flange at the front face of the chassis and provides for IP54 class protection when the control head is fitted. Two dot-dash-dot marks at the underside side of the chassis indicate the leverage points for removing the control head from the radio body.

The sides of the chassis contain two of the four screw bosses to attach the radio to the U-bracket of the installation kit.

For heat dissipation, the chassis has heat fins at the rear, grooves at the bottom, and holes in the front.

The heat fins at the rear of the >25W radio are longer than those of the 25W radio. The grooves at the bottom of the >25 W radio are deeper than those of the 25W radio.

For additional heat dissipation, the >25W radio has an additional L-shaped gap pad

1) between the chassis and the main board.

25W>25W

>25W

Main-Board Assembly

The main-board assembly consists of the following components (see Figure 2.3):

■ main board 1^ with SMT components, digital board D, shielding cans,

and connectors

■ heat-transfer block H

■ mounting and sealing elements for the connectors at the rear of the

radio body.

Figure 2.3 Components of the main-board assembly

M3x10 screw (x3)

D-range screwlock fastener (x2)

>25W radios: M2.2x10 PT screw (x2)

25W radios: K30x8 PT screw (x2)

power connector seal

power connector

gap pad (>25W radio only)

digital board

hexagonal nut

internal options connector

lock washer

auxiliary connector

RF connector

inner foam D-range seal

main board

heat-transfer block

control-head connector

outer foam seal

thermal paste

3631z_01

>25W

26 Description TM8100/TM8200 Service Manual

The main board 1^ is attached to the heat-transfer block H with three M3x10 Torx-head screws

B and the fastening elements J, 1# and 1$ of the

auxiliary and RF connectors.

The inner foam D-range seal

G seals the auxiliary connector against the

heat-transfer block. The power connector seal

1) seals the power connector

against the heat-transfer block.

The power connector seal

1) of the >25W radio (blue) is different to the

seal of the 25W radio (black).

Main Board The main board 1^ is a printed circuit board in SMT design with

components on the top and bottom sides. A digital board

D is reflow-

soldered to the main board. Most components are shielded by metal cans.

There are different main boards for each frequency band and each RF output power configuration.

The internal options connector

E for connecting an internal options board

and the factory connector (not illustrated) for factory use are soldered to the top side of the main board. The control-head connector

1& (facing the front

of the radio) and the auxiliary

F, power 1! and RF 1% connectors (facing

the rear of the radio) are located on the bottom side of the main board.

The >25W radio has a black power connector

1! and the 25W radio has a

white power connector.

For more information on the connectors, refer to “Connectors” on

page 38.

For heat dissipation, one of the screw bosses inside the chassis is in contact with the underside of the main board. A larger copper plate at the underside of the main board connects to the body of the heat-transfer block.

The >25 W radio has an additional gap pad between the heat-transfer block and the main board

1^ which connects to an additional copper plate at the

bottom side of the main board.

Heat-Transfer Block The aluminium heat-transfer block H dissipates heat from the main board

to the heat fins of the chassis. The heat-transfer block has a contact surface to the larger copper plate at the underside of the main board

1^, and a

contact surface to the rear of the chassis. All contact surfaces are coated with thermal paste.

Two self-adhesive foam seals

G and I around the aperture of the auxiliary

connector on either side of the heat-transfer block and the power connector seal

1) inside the aperture of the power connector are fitted to the heat-

transfer block.

25W>25W

>25W

2.1.2 Control Head with Graphical Display

Overview The control head can be divided into the following main areas:

■ front panel with control elements, indicators, LCD, speaker, and

concealed microphone (optional)

■ space frame and seals

■ control-head board with SMT components, shielding cans, connectors,

and volume potentiometer

■ control-head loom with female-female adapter

■ adapter flange.

The circled numbers in this section refer to the items in Figure 2.4 on

page 29.

Front Panel Assembly

The front panel assembly 1^ consists of an injection-moulded plastic part with an integrated transparent light pipe element for the radio

STATUS LEDs,

a transparent lens which cannot be replaced, a cloth membrane which is fixed to the speaker grille, and a foam seal inside a rectangular LCD recess behind the lens. A label

1* with the radio model number is attached to the

front panel assembly with self-adhesive coating and can be replaced for rebranding purposes.

Three clips on the rear side of the front panel assembly snap onto the space frame to hold the keypads

1# and 1#, the LCD assembly 1@ and the speaker

1! in place. The rear side of the front panel assembly also has four screw

bosses to fasten the control-head board

Knob for Volume-Control Potentiometer

The knob for the volume-control potentiometer 1& is fitted to the shaft of the volume-control potentiometer, which is soldered to the control-head board

Keypads The main keypad 1# (for the function, selection, and scroll keys) and the

power keypad

1$ protrude through apertures in the front panel assembly 1^.

The rear sides of these keypads connect directly to the relevant contacts on the control-head board

LCD Assembly The graphical-display LCD assembly 1@ sits on a foam seal inside a

rectangular recess of the front panel assembly

1^. Another foam seal is

attached to the rear of the LCD with self-adhesive coating. The LCD assembly has a loom, which runs through a slot in the space frame

J and

connects to a connector on the rear side of the control-head board

28 Description TM8100/TM8200 Service Manual

Speaker The speaker 1! sits inside a round recess of the front panel assembly, where

a cloth membrane is fixed to the speaker grille. The speaker clamp

1) holds

the speaker in position. The speaker cable plugs into the speaker connector on the rear side of the control-head board

Note In some configurations the speaker may be disconnected.

Concealed Microphone (Optional)

A concealed microphone 1% consisting of the microphone capsule and a rubber seal can be fitted in a round recess inside the front panel assembly

1^.

The microphone leads are soldered to two pads on the top side of the control-head board. Before the microphone is fitted, a small hole is drilled in the recess to provide an acoustic path to the microphone. The hole is covered by the rubber seal to ensure that the control head remains sealed to IP54 standards. For more information refer to “TMAA02-07 Concealed

Microphone” on page 519.

Space Frame The aluminium space frame J snaps into the three clips of the front panel

assembly

1^. The front side of the space frame holds the keypads, the LCD

assembly, and the speaker in place and at the same time allows access to their electrical contacts. The rear side of the space frame has four through-holes for the screws

E of the control-head board F and two screw bosses to fit

the adapter flange

C. Two light pipes H and I are fitted in recesses in the

space frame and direct light from LEDs on the control-head board to the front panel. A slot at the top edge of the space frame allows the loom of the LCD assembly

1@ to run to the control-head board.

Seals Two identical ring seals G fitted to grooves around the perimeter of the

space frame provide for IP54 class protection.

Figure 2.4 Components of the control head with graphical display

M4 x 12 Taptite screw (x2)

adapter flange

control-head loom assembly with female-female adapter

3 x 10 PT screw (x4)

control-head board

space frame seal (x2)

short light pipe

long light pipe

space frame

speaker clamp

speaker

LCD assembly

main keypad

power keypad

concealed microphone (optional)

front panel assembly

knob for volume-control potentiometer

3451z_02

30 Description TM8100/TM8200 Service Manual

Control-Head Board The control-head board F is a printed circuit board in SMT design with

components on the top and bottom sides. Some SMT components are shielded by metal cans.

The control-head board is fitted to the front panel assembly

1^ through the

space frame

J with four 3x10 PT screws E.

The side facing the radio body has the connectors for the connection of the control-head loom, the LCD loom, the speaker, an optional control-head options board, and pads for the leads of the optional concealed microphone.

The side facing the front panel has the volume-control potentiometer, the microphone connector, the indicator and backlight LEDs, and the contacts for the keypads.

Control-Head Loom The control-head loom D connects the connector on the control-head

board to the control-head connector of the radio body. For more information refer to “Control-Head Connectors” on page 44.

Adapter Flange The adapter flange C is an injection-moulded plastic part, which is fitted to

the space frame with two M4x 12 Taptite screws

Figure 2.5 Connectors of the control-head board

connector for control-head options board

connector for loom of LCD assembly

pads for leads of concealed microphone

connector for control-head loom

connector for speaker

+ 590 hidden pages

Tait TM8100 mobiles, TM8200 mobiles Service Manual

Specifications and Main Features

Frequently Asked Questions

User Manual