Motorola MCX600E - Radio Maintenance Procedures

Maintenance 3-i
Chapter 3
Maintenance
Table of Contents
Table of Contents
Paragraph Page
1.0 Overview ..................................................................................................... 1
2.0 Disassemble the Radio ............................................................................. 1
2.1 Remove the Control Head ........................................................................... 1
2.2 Remove the Top Cover................................................................................ 2
2.3 Remove the Transceiver Board................................................................... 2
3.0 Assemble Radio ......................................................................................... 3
3.1 Replace the Transceiver Board ................................................................... 3
3.2 Replace the Top Cover and Control Head................................................... 3
4.0 Exploded View Diagrams and Parts ......................................................... 4
5.0 Service Aids ............................................................................................... 5
6.0 Test Equipment .......................................................................................... 6
7.0 Radio Tuning Procedure ............................................................................ 7
7.1 General........................................................................................................ 7
7.2 PA Bias Voltage........................................................................................... 8
7.3 Transmitter Power ....................................................................................... 9
7.4 Battery Threshold ........................................................................................ 9
7.5 Reference Oscillator .................................................................................. 10
7.6 Front-End Pre-Selector.............................................................................. 10
7.7 Rated Volume............................................................................................ 11
7.8 Squelch...................................................................................................... 11
7.9 Transmit Voltage Limit............................................................................... 12
7.10 Transmit Deviation Balance (Compensation) ............................................ 12
7.11 Transmit Deviation Limit ............................................................................ 13
7.12 Signalling Alignments ................................................................................ 13
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