Your radio’s settingsUse the following table to list your radio’s programmed settings.Channel listFunction key settingsID Description ID Description

Safety and compliance warnings

Health, safety and electromagnetic compatibility in Europe

EN 60950 requirements (25 watt radios)

Your radio's settings

About this guide

Copyright information

Getting started

Radio indicators

Basic operation

Receiving a call

Monitor

Scanning

Voting

Troubleshooting

Removing the microphone

Describing the radio's audible tones

Tait general software licence agreement

propos de ce guide

commandes de la radio

recevoir un appel

ajuste del volumen

Tait TM8100 User Manual

contact information

limited warranty

Preface

Enquiries and Comments

Typographical Conventions

Associated Documentation

Publication Record

List of Acronyms

Chapter 1 Description of Radio

Introduction

control head

product codes

specifications

General Description

operation in receive mode

operation in transmit mode

Circuit Descriptions

power supply

Chapter 2 Servicing of Radio

General Information

servicing precautions

smt repair techniques

Servicing Procedure

Disassembly and Re-assembly of Radio

rear view

Servicing of Control Head

Servicing of Main Board

Diagnosis of Faults on Main Board

TM8100 mobiles

Contact Information

Tait General Software Licence Agreement

Abbreviations

Safety and Servicing Information

Antenna Load

Allen UNC Screws

Regulatory Information

TMAA01-01 Line-Interface Board

Adjustment Points on the Line-Interface Board

Configuration Procedure

Adjusting RV1, RV2 and RV3

Installing the Line-Interface Board

Programming Information

Interface Specification

Line-Interface Board Application

Line-Interface Board Specifications

Radio With Line-Interface Board: Receiver + Line Input

Logic Interface

PCB Information

TMAA01-01 Grid Reference List (PCB IPN 226-00124-04)

Line-Interface Board Layout (top side)

Line-Interface Board Layout (bottom side)

Line-Interface Board Circuit Diagram

TMAA01-05 Options-Extender Board

Power Supply Line

Installing the Options-Extender Board

Options-Extender Board Layout (top side)

Options-Extender Board Layout (bottom side)

Options-Extender Board Circuit Diagram

TMAA02-02 DTMF Microphone

Installing the Microphone Clip

Circuit Description

TMAA02-06 Support Kit for Concealed & Dynamic Microphones

Radio Programming

Concealed and Dynamic Microphone Support Board (top side)

Concealed and Dynamic Microphone Support Board (bottom side)

Concealed and Dynamic Microphone Board Circuit Diagram

TMAA10-01 Desktop Microphone

Adjustment

TMAA10-02 Handset

Handset Installation

TMAA10-03 High-Power Remote Speaker

Power Connector Wiring

TMAA10-04 Hands-Free Kit

Installing the Remote PTT

Hands-Free Pre-Amplifier Board Layout (top side)

Hands-Free Pre-Amplifier Board Layout (bottom side)

Hands-Free Pre-Amplifier Board Circuit Diagram

TOPA-SV-024 Test Unit

Operation

Rx / Tx/PTT switch

PCB Information (PCB IPN 220-01418-02A)

Circuit Diagram

Part A – Description of the Radio

frequency bands

compliance information

Description

user interfaces

microphone connector

hardware and software architecture

transmitter circuitry

receiver circuitry

frequency synthesizer circuitry

frequency control loop

codec and audio circuitry

power supply circuitry

interface circuitry

digital board

control-head board with graphical display

control-head board with 1-, 2- or 3-digit display

Part B – Servicing the Radio

tools, equipment and spares

setting up the test equipment

replacing board components

shielding cans and connectors

computer-controlled test mode (cctm)

defining frequency bands

visual and audible indications

Disassembly and Reassembly

removing and mounting the control head

disassembling the radio body

reassembling the radio body

disassembling and reassembling the control head

Servicing Procedures

final tasks

Power Supply Fault Finding

Interface Fault Finding

Frequency Synthesizer Fault Finding

initial checks

power supplies

phase-locked loop

loop filter

receive vco and related circuitry (uhf radios)

vco and related circuitry (vhf radios)

power supply for fcl

vcxo and tcxo outputs

signals at tp501 and tp

vcxo and codec circuitry

Receiver Fault Finding

faulty receiver sensitivity

excessive loss of sensitivity

moderate or slight loss of sensitivity

incorrect rssi readings

faulty radio mute

high receiver distortion

Transmitter Fault Finding (25W)

CODEC and Audio Fault Finding

faulty speaker audio

no speaker audio at auxiliary connector

faulty receiver

faulty modulation

faulty modulation using auxiliary connector

Fault Finding of Control Head with Graphical Display

cctm commands

power supply faulty

lcd display faulty

lcd backlighting faulty

lcd heating faulty

function key leds or status leds faulty

keypad backlighting faulty

on/off key faulty

function, scroll, or selection keys faulty

ptt faulty

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

Spare Parts

Part C – Accessories

test equipment setup

installing the line-interface board

installation procedure

programming information

line-interface board specifications

circuit description

Document Conventions

Safety and Regulatory Warnings

Safe Radio Mounting

Vehicles Powered by Liquefied Petroleum Gas

Preparing the U-Bracket Installation

Power Source and Ignition Control

Installing the Radio

Selecting the Mounting Position

Mounting the U-Bracket

Installing the Antenna

Connecting the Power Cable to the Power Source

Connecting a Remote Speaker

Installing the Microphone

Checking the Installation

Blank Control Head