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Yaesu FRG-7 User Manual

Yaesu FRG-7
23 pages
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Yaesu FRG-7 Specifications

General IconGeneral
TypeCommunications Receiver
ModesAM, SSB, CW
Tuning Steps1 kHz
Selectivity2.4 kHz (-6 dB)
Audio Output Power1.5 W
Frequency Range150 kHz to 30 MHz

Summary

General Description

Specifications

Semiconductors Complements

Lists the integrated circuits, transistors, and diodes used in the receiver.

Installation

Power Requirement

Explains the power supply options for the FRG-7, including AC, DC, and battery.

Antenna and Ground

Details the antenna connection requirements and the importance of a good ground connection.

Controls and Switches

Major Front Panel Controls

Details primary controls like BAND, ATT, TONE, TUNING DIAL, FINE TUNING, VOLUME, and MODE for operation.

Indicators and Auxiliary Controls

Covers indicators (S-METER, LOCK) and secondary controls (LIGHT, POWER, PHONES, RECORD, MHz, PRESELECT).

Rear Panel Connections

External Connectors and Jacks

Details jacks for external speaker, DC power, antenna, and ground connections.

Power and Fuse Information

Information on the AC cord, fuse, and battery pack for power supply.

Operation

Frequency Selection and Amateur Reception

Guides on selecting frequencies and operating the receiver for amateur SSB bands.

Broadcast Reception

Instructions for receiving broadcast signals on AM mode and noise reduction.

Block Diagram

Circuit Description

Maintenance & Alignment

Test Equipment Required

Lists the necessary test equipment for maintenance and alignment procedures.

RF Unit Alignment Procedures

Alignment steps for the RF Unit's passband circuit, balanced mixer, and antenna coils.

Further RF Unit Alignment

Additional alignment steps for the RF Unit's selective filter and lock level controls.

OSC Unit and IF AF Unit Alignment

Alignment procedures for the OSC Unit (MHz setting) and IF AF Unit (IF tracking, S-meter, BFO).

Parts List

Circuit Diagrams

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