Table Of Contents - Motorola GM-950 Manual

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1.0 Overview..................................................................................................... 1
2.0 Exploded View Diagram ............................................................................ 2
3.0 Theory of Operation .................................................................................. 2
3.1 General ........................................................................................................ 2
3.2 Power Supplies............................................................................................ 3
3.3 Voltage Regulator Circuit............................................................................. 3
3.4 Power On / Off ............................................................................................. 3
3.5 Microprocessor Circuit ................................................................................. 4
3.6 Serial Peripheral Interface (SPI) .................................................................. 4
3.7 Keypad Keys................................................................................................ 5
3.8 Status LED and Back Light Circuit............................................................... 5
3.9 Liquid Crystal Display (LCD)........................................................................ 5
3.10 Microphone Connector ................................................................................ 6
3.11 Electrostatic Transient Protection ................................................................ 6
Introduction/Theory of Operation
Chapter 4D.1
Introduction/Theory of Operation

Table of Contents

Table of Contents
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4D.1-i