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Sansui A-7 Service Manual

Sansui A-7
16 pages
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Sansui A-7 Specifications

General IconGeneral
Input Sensitivity2.5mV (MM), 150mV (line)
Frequency Response10Hz to 50kHz
Input Impedance50k ohms (line)
Channel separation60dB (line)
Speaker load impedance8 ohms

Summary

SPECIFICATIONS

Sansui A-9 Amplifier Specifications

Detailed technical specifications for the Sansui A-9 integrated amplifier, including power output and frequency response.

Sansui A-7 Amplifier Specifications

Detailed technical specifications for the Sansui A-7 integrated amplifier, including power output and frequency response.

Sansui A-5 Amplifier Specifications

Detailed technical specifications for the Sansui A-5 integrated amplifier, including power output and frequency response.

BLOCK DIAGRAMS

Sansui A-9 Block Diagram

Functional block diagram illustrating the internal circuitry and signal flow of the Sansui A-9 amplifier.

Sansui A-7 Block Diagram

Functional block diagram illustrating the internal circuitry and signal flow of the Sansui A-7 amplifier.

Sansui A-5 Block Diagram

Functional block diagram illustrating the internal circuitry and signal flow of the Sansui A-5 amplifier.

PARTS LOCATION & LISTS

Power Amplifier Circuit Board Parts

Location and part numbers for components on the F-3336 Power Amplifier circuit board.

Input, EQ & Control Circuit Board Parts

Location and part numbers for components on Mic, EQ, and Control Volume circuit boards.

Signal & Power Circuit Board Parts

Location and part numbers for components on Tone, Main Amp, and Power Supply circuit boards.

OTHER PARTS IDENTIFICATION

Sansui A-9 Other Parts

Identification of external controls, indicators, and internal components for the Sansui A-9 model.

Sansui A-7 Other Parts

Identification of external controls, indicators, and internal components for the Sansui A-7 model.

Sansui A-5 Other Parts

Identification of external controls, indicators, and internal components for the Sansui A-5 model.

SCHEMATIC DIAGRAMS

Amplifier System Schematics

Comprehensive schematic diagrams detailing the complete circuitry of the Sansui A-9/A-7/A-5 amplifiers.

ADJUSTMENT PROCEDURES

Driver Circuit Bias Adjustment

Step-by-step guide for setting the driver circuit bias current on A-9/A-7 models.

PACKING LIST

Shipping Packaging Contents

List of packaging materials included with the amplifier for safe transport and delivery.

ACCESSORY LIST

Included Accessories List

List of accessories, such as operating instructions and manuals, supplied with the unit.

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