TM8100/TM8200 Service Manual Circuit Descriptions 63
© Tait Electronics Limited June 2006
3 Circuit Descriptions
Introduction This section describes and illustrates the circuitry of the main board and the
control-head boards.
The main board is divided into the following circuitry modules:
■ transmitter
■ receiver
■ frequency synthesizer (including FCL)
■ CODEC and audio
■ power supply
■ interface
■ digital board.
Figure 3.1 gives an overview of the of the circuitry modules of the main
board and shows how they are interconnected.
Sample Schematics For up-to-date schematics refer to the relevant PCB information (refer to
“Associated Documentation” on page 6).