Table Of Contents - Motorola CP150 Service Manual

Commercial series
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Table of Contents

Foreword
Product Safety and RF Exposure Compliance .......................................................................... inside cover
Computer Software Copyrights ................................................................................................. inside cover
Document Copyrights ................................................................................................................ inside cover
Disclaimer.................................................................................................................................. inside cover
List of Figures ........................................................................................................................................... viii
List of Tables ..............................................................................................................................................xi
Related Publications...................................................................................................................................xi
1.1
Test Equipment.............................................................................................................................. 1-1
1.2
Service Aids................................................................................................................................... 1-2
DC Power Distribution ........................................................ 2-1
2.1
DC Regulation and Distribution ..................................................................................................... 2-1
Controller Theory of Operation.......................................... 3-1
3.1
Controller ....................................................................................................................................... 3-1
3.1.1
Microprocessor Circuitry ................................................................................................... 3-1
3.1.1.1
3.1.1.2
3.1.1.3
3.1.1.4
3.1.1.5
3.1.1.6
3.1.1.7
3.1.1.8
3.1.1.9
3.1.1.10 Battery Gauge.......................................................................................................... 3-4
3.1.2
Audio Circuitry .................................................................................................................. 3-4
3.1.2.1
3.1.2.2
3.1.2.3
3.1.2.4
3.1.2.5
3.1.2.6
3.1.2.7
136-162 MHz VHF Theory Of Operation ............................ 4-1
4.1
Introduction .................................................................................................................................... 4-1
4.2
VHF Receiver ................................................................................................................................ 4-1
Memory Usage ........................................................................................................ 3-2
Control and Indicator Interface ................................................................................ 3-2
Serial Bus Control of Circuit Blocks ......................................................................... 3-2
Interface to RSS Programming................................................................................ 3-3
Storage of Customer-Specific Information............................................................... 3-3
Sensing of Externally-Connected Accessories ........................................................ 3-3
Microprocessor Power-Up, Power-Down and Reset Routine.................................. 3-3
Boot Mode Control................................................................................................... 3-4
Microprocessor 7.3975 MHz Clock.......................................................................... 3-4
Transmit and Receive Low-Level Audio Circuitry .................................................... 3-4
Audio Power Amplifier ............................................................................................. 3-5
Internal Microphone Audio Voice Path .................................................................... 3-5
PTT Circuits ............................................................................................................. 3-6
VOX Operation ........................................................................................................ 3-6
Battery Charging Through Microphone Jack ........................................................... 3-6
Programming and Flashing Through Microphone Jack ........................................... 3-6
i

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