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Also see for TM8105:
Applications manual
User guide
User manual
Table of content
Contents
contact information
Table Of Contents
Table Of Contents
Issue
Associated Documentation
Publication Record
Abbreviations
Chapter 1 Description of the Radio
Introduction
frequency bands
product codes
compliance information
Description
user interfaces
microphone connector
hardware and software architecture
operation in receive mode
operation in transmit mode
Circuit Descriptions
transmitter circuitry
receiver circuitry
frequency synthesizer circuitry
frequency control loop
codec and audio circuitry
power supply circuitry
interface circuitry
digital board
Chapter 2 Servicing the Radio
General Information
servicing precautions
replacing board components
shielding cans and connectors
smt repair techniques
defining frequency bands
visual and audible indications
disassembly and reassembly
Disassembly and Reassembly
disassembling the radio body
reassembling the radio body
disassembling and reassembling the control head
servicing procedures
Servicing Procedures
final tasks
power supply fault finding
Power Supply Fault Finding
interface fault finding
Interface Fault Finding
frequency synthesizer fault finding
Frequency Synthesizer Fault Finding
loop filter
power supply for fcl
vcxo and tcxo outputs
signals at tp501 and tp
vcxo and codec circuitry
receiver fault finding
Receiver Fault Finding
excessive loss of sensitivity
moderate or slight loss of sensitivity
incorrect rssi readings
faulty radio mute
high receiver distortion
Transmitter Fault Finding (40W/50W)
Transmitter Fault Finding (25W)
codec and audio fault finding
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
power supply faulty
lcd display faulty
lcd backlighting faulty
lcd heating faulty
function key leds or status leds faulty
keypad backlighting faulty
ptt faulty
Fault Finding of Control Head with 1- 2- or 3-Digit Display
spare parts
Spare Parts
Chapter 3 Accessories
TMAA01-01 Line-Interface Board
programming information
power supply
TMAA01-02 RS-232 Board
TMAA01-05 Options-Extender Board
TMAA02-02 DTMF Microphone
TMAA02-06 Support Kit for Concealed & Dynamic Microphones
TMAA02-07 Concealed Microphone
TMAA02-08 Keypad Microphone
TMAA03-02 Security Bracket
installing a remote kit
Installing a Remote Kit
installing an enhanced remote kit
Installing an Enhanced Remote Kit
TMAA04-04 Crossband Linking Cable
operational testing
TMAA04-05 Ignition Sense Kit
TMAA10-01 Desktop Microphone
TMAA10-02 Handset
TMAA10-03 and TMAA10-06 High-Power Remote Speakers
TMAA10-04 Remote PTT Kit and TMAA10-05 Hands-Free Kit
TMAA10-07 Desktop Microphone
TOPA-SV-024 Test Unit
limited warranty
14
Introduction
TM8100/TM8200 Service Manual
© Tait Electronics Limited
June 2006
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
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This manual is suitable for:
TM8105
TM8110
TM8115
TM8235
TM8250
TM8252
TM8255
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