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Realistic PRO-2022 - Service Manual

Realistic PRO-2022
64 pages
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PRO-2022
Desk-Top
Programmabie
Scanner
Catalo
g
Number:
20-127/9127
©
1989,
Tandy
Corporatlon.
All
Rights
Reserved
.
RealIstic
and
Radio
shack
are
reglstered
trademarks
of
Tandy
Corporatlon
.
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Summary

Specifications

Scanner Specifications

Detailed technical parameters for the scanner's performance and features.

Block Diagram

System Block Diagram

A visual representation of the scanner's internal functional blocks and signal flow.

Principles of Operation

Operating Principles

Explanation of how the scanner's circuits and components function.

General Operation Outline

Scanner Operation Guide

Step-by-step instructions for using the scanner's basic functions and modes.

Alignment and Adjustment

Alignment Procedures

Detailed steps for calibrating and tuning the scanner's internal components.

Memory Check

Memory Check Procedure

Procedure to verify the scanner's memory circuit functionality and data retention.

Reception Check

Reception Check Flowchart

Diagnostic flowchart to test and troubleshoot signal reception issues.

Troubleshooting

Troubleshooting Guide

Common problems, causes, and solutions for scanner malfunctions.

Printed Circuit Board Layouts

PCB Diagrams

Visual layouts of the main, headphone, and keyboard circuit boards.

Disassembly and Exploded View

Exploded View of Scanner

Illustration of all parts in relation to each other for disassembly.

Electrical Parts List

Electrical Components List

Comprehensive list of electronic components with part numbers and specifications.

Mechanical Parts List

Mechanical Components List

List of mechanical parts, screws, and hardware with their reference numbers.

Semiconductor Lead Identification and IC Diagram

IC Identification and Diagrams

Details and diagrams for integrated circuits used in the scanner.

Transistor Lead Identification

Transistor Identification

Identification and lead details for various transistors.

Diode Identification and Lead Polarity

Diode Identification

Visual identification and polarity for different types of diodes.

Microprocessor Port Format

Microprocessor Pinout

Detailed list of microprocessor pins and their corresponding functions.

Appendix

VHF-MID Band Alignment

Specific alignment instructions and parts changes for the VHF-MID band.

Power Transformer Specification

Power Transformer Details

Technical specifications, voltage, and current ratings for the power transformer.

Realistic PRO-2022 Specifications

General IconGeneral
BrandRealistic
ModelPRO-2022
CategoryScanner
LanguageEnglish

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