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Sansui AU-505 - Service Manual

Sansui AU-505
12 pages
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Summary

OPERATIONS

TO PLAY RECORDS

Instructions for playing records using the amplifier.

TO RECEIVE BROADCASTS

Guide for tuning and listening to radio broadcasts.

TO USE A MICROPHONE

Steps for connecting and using a microphone with the amplifier.

To Record into a Tape Deck

Steps to record audio from the amplifier onto a tape deck.

To Reproduce Recorded Tape

Instructions for playing back recorded audio from a tape deck.

SIMPLE MAINTENANCE HINTS

REAR-PANEL AC OUTLETS

Details on the switched and unswitched AC outlets on the rear panel.

VOLTAGE ADJUSTMENT

Guide on how to adjust the amplifier for different voltage regions.

SHOULD THE POWER FUSE BLOW

Steps to diagnose and replace a blown main power fuse.

ABOUT THE QUICK-ACTING FUSES

Information on quick-acting fuses protecting power transistors.

DISASSEMBLY PROCEDURE

REMOVING THE FRONT PANEL, BONNET AND BOTTOM PLATE

Guide for dismantling the amplifier's exterior components.

SPECIFICATIONS

PRINTED CIRCUIT BOARDS AND PARTS LIST

EQUALIZER;TONE CONTROL BLOCK <F-1303 A>

Parts list for the F-1303A Equalizer/Tone Control circuit board.

PRINTED CIRCUIT BOARDS AND PARTS LIST

FILTER BLOCK <F-2001>

Parts list for the F-2001 Filter circuit board.

POWER AMP. BLOCK <F-1266 A>

Parts list for the F-1266A Power Amplifier circuit board.

PRINTED CIRCUIT BOARDS AND PARTS LIST

About Servicing

Advice on contacting Sansui dealers or service stations for assistance.

OTHER PARTS AND THEIR POSITIONS ON CHASSIS

List of Accessories

List of included accessories with the amplifier.

Sansui AU-505 Specifications

General IconGeneral
Total Harmonic Distortion0.8%
Damping Factor30
Input Sensitivity2.5mV (MM)
Signal to Noise Ratio70dB (MM)
Speaker Load Impedance4 to 16 Ohms
OutputPre out
Power Output20W per channel into 8Ω (stereo)
Channel Separation50dB (1kHz)

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