Service manual

Basic Service Manual
68P81076C05-O
CONTENTS
© 1993 by Motorola, Inc., Radio Products Group
8000 W. Sunrise Blvd., Ft. Lauderdale, FL 33322
Printed in U.S.A. 5/93. All Rights Reserved.
, Motorola, ASTRO, SABER, FLASHport, SMARTNET, Stat-Alert, SABER SI, CoveragePLUS, Private-Line,
and Digital Private Line are trademarks of Motorola, Inc.
TITLE PAGE
FOREWORD................................................................................................................................................... inside front cover
LIST OF TABLES ..................................................................................................................................................................... ii
LIST OF ILLUSTRATIONS....................................................................................................................................................... ii
RELATED PUBLICATIONS AVAILABLE SEPARATELY......................................................................................................... ii
PORTABLE RADIO MODEL NUMBERING SYSTEM............................................................................................................. iii
SPECIFICATIONS FOR VHF RADIOS ................................................................................................................................... iv
SPECIFICATIONS FOR UHF RADIOS.................................................................................................................................... v
SPECIFICATIONS FOR 800MHz RADIOS............................................................................................................................. vi
SECTION I. INTRODUCTION
A. General ...........................................................................................................................................................1
B. Radio Description............................................................................................................................................1
C. ...............................................................................................................................................1
SECTION II. BASIC MAINTENANCE
A. Introduction to This Section ............................................................................................................................3
B. Preventive Maintenance .................................................................................................................................3
C. Handling Precautions......................................................................................................................................3
SECTION III. RECOMMENDED TEST EQUIPMENT,
SERVICE AIDS, AND TOOLS
A. Recommended Test Equipment .....................................................................................................................5
B. Service Aids and Recommended Tools..........................................................................................................6
C. Field Programming Equipment .......................................................................................................................6
SECTION IV. PERFORMANCE CHECKS
A. Introduction to This Section ............................................................................................................................7
B. Setup...............................................................................................................................................................7
C. Test Mode.......................................................................................................................................................7
SECTION V. RADIO ALIGNMENT PROCEDURE
A. Introduction to This Section ..........................................................................................................................11
B. General .........................................................................................................................................................11
C. Reference Oscillator Alignment ....................................................................................................................13
D. Transmit Power Alignment............................................................................................................................14
E. Transmit Deviation Balance (Compensation) Alignment ..............................................................................15
F. Transmit Deviation Limit Alignment ..............................................................................................................16
G. Front-End Filter Alignment (VHF/UHF Only).................................................................................................17
SECTION VI. DISASSEMBLY/REASSEMBLY PROCEDURES
A. Disassembly..................................................................................................................................................19
B. Servicing Major Subassemblies....................................................................................................................21
C. Reassembly ..................................................................................................................................................22
™
Digital SABER
™
Portable Radios
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