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Yaesu FRG-9600 Service Manual

Yaesu FRG-9600
47 pages
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Yaesu FRG-9600 Specifications

General IconGeneral
BrandYaesu
ModelFRG-9600
CategoryReceiver
LanguageEnglish

Summary

CAT System Programming

Operating Manual Errata

Corrects information provided in the FRG-9600 Operating Manual regarding signal polarity and programming codes.

CAT Test Program Listing

Presents a BASIC program for testing the CAT system interface for frequency and mode selection.

Circuit Description

Front End Stages

Describes initial signal processing and RF input stages, including attenuators and band selection.

Signal Path Overview

Details the overall signal processing flow for SSB, AM, and narrow FM modes, including IF stages.

Control and Interfacing Functions

Explains S-meter, squelch, and mode/scan control logic and their computer interfacing.

Alignment Procedures

Test Equipment and Precautions

Lists necessary test equipment and critical setup steps before performing alignment.

Core Calibration Steps

Covers adjustments for oscillators, RF path, and system gain for optimal performance.

Component Identification and Parts

Unit Parts Layouts

Shows component placement diagrams for various functional units of the FRG-9600.

Chip Description and Markings

Provides details on the identification and types of integrated circuits, transistors, and diodes used.

FRG-9600 Parts List

Comprehensive list of all components, including part numbers and descriptions, used in the FRG-9600.

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