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Sansui G-7500 Service Manual

Sansui G-7500
18 pages
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Sansui G-7500 Specifications

General IconGeneral
Damping Factor50
Tuning rangeFM, MW
Speaker load impedance4 - 16 ohms
Frequency Response5Hz to 50kHz
Input Sensitivity2.5mV (MM), 150mV (line)
Signal-to-Noise Ratio90 dB

Summary

Block Diagram

Audio Section Block Diagram

Functional block diagram of the audio signal path.

Tuner Section Block Diagram

Block diagram illustrating the FM/AM tuner signal flow.

Operation

Protector Circuit Operation

Explanation of the protector circuit's functions and detection methods.

Adjustments

AM IF, RF Adjustment & Dial Calibration

Procedures for calibrating AM IF, RF, and dial alignment.

FM Adjustment Procedures

Procedures for FM IF, RF adjustments, and dial calibration.

FM Stereo Adjustment Procedures

Procedures for PLL VCO, separation, and muting level adjustments.

Audio Section Adjustments

Adjustments for driver circuits and power meter calibration.

Parts Lists & Circuit Boards

F-2980 Power Supply & Driver Circuit Board

Component layout and parts list for the power supply and driver circuit.

Schematic Diagram

Audio Section Schematic

Detailed schematic for the audio signal path.

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