Motorola GM1200E User manual

European Publications Department (RPG) Fleet, Hampshire, England

Issue: July 1998

GM1200E

Mobile Radio

Detailed Service Manual

68P64115B15

ii

Cautions andWarnings

iii

CAUTION

ELECTROSTATIC SENSITIVE DEVICES

PRECAUTIONS SHOULD BE TAKENTO MINIMIZE THE RISK OF DAMAGE BY

ELECTROSTATIC DISCHARGETO ELECTROSTATIC SENSITIVE DEVICES (ESDs).

ANY DEVICES EMPLOYING METAL OXIDE SILICON (MOS) TECHNOLOGY ARE

PARTICULARLY SUSCEPTIBLE.

CIRCUIT DIAGRAMS MARKED WITH THE ABOVE SYMBOL INDICATE ELECTRONIC

CIRCUITS (PECs) FOR WHICH ESD HANDLING PRECAUTIONS ARE NECESSARY.

THE USER SHOULD REFER TO BS5783, 1984: HANDLING OF ELECTROSTATIC

SENSITIVE DEVICES. THIS BRITISH STANDARD SUPERSEDES DEF STAN 59-98,

ISSUE 2.

Cautions andWarnings

iv

Cautions andWarnings

v

WARNING

SAFETYWARNINGS

THE ELECTRICAL POWER USED IN THIS EQUIPMENT IS AT A VOLTAGE HIGH

ENOUGH TO ENDANGER LIFE.

BEFORE CARRYING OUT MAINTENANCE OR REPAIR, PERSONS CONCERNED

MUST ENSURE THAT THIS EQUIPMENT IS ISOLATED FROM THE ELECTRICAL

SUPPLY ANDTESTS ARE MADE TO ENSURETHAT ISOLATION IS COMPLETE.

WHEN THE SUPPLY CANNOT BE ISOLATED, MAINTENANCE AND REPAIR MUST BE

UNDERTAKEN BY PERSONS WHO ARE FULLY AWARE OF THE DANGERS INVOLVED

AND WHO HAVE TAKEN ADEQUATE PRECAUTIONS TO PROTECTTHEMSELVES.

COMPONENTS CONTAINING BERYLLIUM OXIDE ARE USED IN THIS EQUIPMENT.

DUST FROM THIS MATERIAL IS A HEALTH HAZARD IF INHALED OR ALLOWED TO

COME INTO CONTACT WITH THE SKIN.

GREAT CARE MUST BE TAKEN WHEN HANDLING THESE COMPONENTS WHICH

MUST NOT BE BROKEN OR SUBJECTED TO EXCESSIVE HEATING. DEFECTIVE

COMPONENTS MUST BE DISPOSED OF IN ACCORDANCE WITH CURRENT

INSTRUCTIONS.

LEAD ACID BATTERIES MAY BE FITTED ASTHE STANDBY BATTERY.CARE MUST BE

TAKEN WHEN REMOVING OR INSTALLING THESE BATTERIES TO:

1. ENSURE THAT THE TERMINALS ARE NOT SHORTED TOGETHER.

2. PREVENT SPILLAGE OF THE CORROSIVE ELECTROLYTE.

Cautions andWarnings

vi

Detailed Service Manual vii

Detailed Service Manual

Contents

Contents

Chapter

1.0 Introduction

Gives a brief introduction into the manual and the service policy.

2.0 Control Head - Level 3 Information

Provides level 3 service information on the Display/Keypad Control Head (K6)

detailed in the following chapters:

2.1 Introduction/Theory of Operation

2.2 PCB/Schematic Diagrams and Parts Lists

3.0 UHF/VHF Radio - Level 3 Information

Provides level 3 service information on the UHF/VHF radio detailed in the

following chapters:

3.1 Introduction/Theory of Operation

3.2 PCB/Schematic Diagrams and Parts Lists

Contents

viii Detailed Service Manual

Introduction 1-i

Chapter 1

Introduction

Table of Contents

Table of Contents

Paragraph Page

1.0 Introduction

................................................................................................ 1

2.0 Scope of Manual

........................................................................................ 1

3.0 How to UseThis Manual

............................................................................ 1

4.0 Warranty and Service Support

................................................................. 1

4.1 Warranty Period........................................................................................... 1

4.2 After Warranty Period.................................................................................. 2

4.3 Piece Parts .................................................................................................. 2

4.4 Technical Support........................................................................................ 2

4.5 Associated Documentation.......................................................................... 2

Table of Contents

1-ii Introduction

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