Tandy Radioshack Realistic PRO-2026 Service Manual

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PRO-2026
100-CHANNEL DIRECT ENTRY
PROGRAMMABLESCANNER
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Catalog Number : 20-148
CONTENTS
Page
Specifications 2
Block Diagram 4
Alignment Procedures 4
Troubleshooting 12
Printed Circuit Boards 14
Wiring Diagram .........................................................................................•.......................17
Electrical Parts List 18
Disassembly/Exploded View 34
Mechanical Parts List 35
IC and Transistor Voltage Chart 36
Semiconductor Lead Identification 38
Schematic Diagrams 39
IC Internal Diagram 43
11
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