Sansui AU-7500 Service Manual

Details on the power indicator light and the switch for selecting speaker systems.

Explanation of the triple tone controls, low/high filters for sound shaping.

Information on headphone jack usage, muting, and loudness functions for listening.

How to use the volume and balance controls for optimal sound output.

Guide to using the selector control and mode switch for program sources.

Operation of tape monitor, 4-channel adapter, and tape-to-tape reprint switches.

Instructions for connecting speaker systems, turntables, and microphones.

Detailed steps for using the amplifier, including source selection and control adjustments.

How to connect tape decks using pin jacks, DIN sockets, and 4-CH adaptor.

Steps for recording, playback, and monitoring audio signals with tape decks.

Guide to copying tapes between decks and important recording considerations.

How to upgrade to a 4-channel system using a rear amplifier or adapter.

Using the AU-7500 with an electronic crossover for multi-amp speaker systems.

Information on rear AC outlets and proper cable connection techniques.

Guidance on speaker phasing, preventing howling and hum.

List of items included with the amplifier, such as manuals and plugs.

Steps to adjust the amplifier's voltage selector for different power supplies.

Advice on managing internal heat and proper placement of the amplifier.

Checklist for common connection and operating procedure mistakes.

Guidance on identifying and replacing blown power and quick-acting fuses.

Steps for adjusting the output level of the power amplifier sections.

Procedure for setting the correct current levels in the power amplifier.

Detailed parts list for the driver block F-2034, including part numbers and stock codes.

List of components for the protector block F-2041.

List of components for the protector block F-1215A.

Detailed parts list for the tone control block F-2014.

List of components for the loudness block F-2042.

Detailed parts list for the power supply block F-2013-1.

Detailed parts list for the equalizer block F-2028.

List of components for the switch block F-2023.