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TRC-447

40-CHANNEL MOBILE CB

WITH WX ALERT

Catalog Number: 21-1576

CONTENTS

Page

Specifications ................................................................................................................................................. 2

Block Diagram ................................................................................................................................................ 5

Alignment and Adjustment ............................................................................................................................. 6

Troubleshooting ........................................................................................................................................... 10

Wiring Diagram ............................................................................................................................................ 16

Printed Circuit Boards .................................................................................................................................. 17

Exploded View and Disassembly Instructions.............................................................................................. 20

Mechanical Parts List ................................................................................................................................... 23

Electrical Parts List ...................................................................................................................................... 24

Semiconductor Lead Identification ............................................................................................................... 43

IC Internal Diagrams .................................................................................................................................... 44

IC and Transistor Voltage Chart................................................................................................................... 46

Schematic Diagrams .................................................................................................................................... 50

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 2004 RadioShack Corporation.

RadioShack is a registered trademark of RadioShack Corporation.

21-1576