Motorola GM1200E Manual de usuario

European Publications Department (RPG) Fleet, Hampshire, England

Issue: May 1998

GM1200E

Mobile Radio

Basic Service Manual

68P64115B12

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

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

Basic Service Manual vii

Basic Service Manual

Contents

Chapter

1.0 General

Gives a brief introduction into the manual; the service policy, models and

technical speciﬁcations.

2.0 Maintenance

Describes how to disassemble/assemble the radio for maintenance purposes

and provides lists of test equipment.

3.0 Accessories

Gives service details and provides a list of accessories available for the radio.

4.0 RadioTuning Procedure

Provides detailed radio tuning procedure for all bands available.

Appendix

A.0 PL (CTCSS) / DPL Codes

B.0 External Device Connectors

C.0 Non Prescribed Data (NPD) Application Notes

Contents

viii Basic Service Manual

General 1-i

Chapter 1

General

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

5.0 Model Chart

................................................................................................ 3

5.1 Service Options ........................................................................................... 4

6.0 Technical Speciﬁcations

........................................................................... 5

6.1 General........................................................................................................ 5

6.2 Transmitter................................................................................................... 5

6.3 Receiver....................................................................................................... 6

6.4 Self-Quieting Frequencies........................................................................... 6

Table of Contents

1-ii General

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