TM8100 Mobile Radio Service Manual Introduction 15
May 2004 © Tait Electronics Limited
1 Introduction
Scope of Section This section introduces the TM8100 mobile radio system. There are six
subsections covering the following aspects:
■ introduction to items that make up system
■ additional information on radio body
■ additional information on control head
■ repair levels that govern servicing of radio
■ explanation of product codes for radio body and control head
■ general specification for TM8100 radios
The radio body and control head are the principal items of the system
and are the prime concern of this service manual.
1.1 TM8100 Mobile Radio System
Main Items of System The TM8100 mobile radio system is a high-performance
microprocessor-controlled transceiver with a comprehensive range of
accessories. The system is designed primarily for installation in vehicles
but can also be used in desktop, remote-monitoring and similar
applications. The system consists of the following items:
■ radio body
■ control head
■ audio accessories
■ mounting for radio
■ desktop power supply (optional)
Separate calibration and programming applications are used to calibrate
and program the radio. The service manual covers the servicing of the
radio body and control head only. The accessories manual covers
servicing of all the remaining items.
Radio Body The radio body contains the transmitter, receiver and microprocessor
circuitry. The radio body also allows for the fitting of an internal options
board to provide additional functions. There are three standard external
connectors on the radio body: an RF connector, power connector, and
auxiliary connector. If an internal options board is fitted, there might or
might not be an associated external options connector. The auxiliary
and external options connectors allow for the connection of various
external devices.
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