Sansui AU-6900 - Service Manual

Location and list of parts for the F-2596 power amplifier circuit board.

Location and list of parts for the F-2599 equalizer circuit board.

Location and list of parts for the F-2600 switching circuit board.

Location and list of parts for the F-2601 pick-up load switching circuit board.

Location and list of parts for the F-2602 lever switch circuit board.

Location and list of parts for the F-2603 volume/balance circuit board.

Location and list of parts for the F-2608 volume/balance circuit board.

Location and list of parts for the F-2609 lever switch circuit board.

Location and list of parts for the F-2610 tone control circuit board.

Location and list of parts for the F-2611 filter circuit board.

Location and list of parts for the F-2606 tone control circuit board.

Location and list of parts for the F-2607 filter circuit board.

Location and list of parts for the F-2604 tone control circuit board.

Location and list of parts for the F-2605 filter unit circuit board.

Visual representations of semiconductor components used in the circuits.

List of miscellaneous parts not categorized elsewhere, including terminals and jacks.

Visual representation of the unit's assembly and part locations.

Diagram illustrating the operational flow of the power amplifier section.

Diagram showing the block flow of power supply and protector circuits.

Guidance for diagnosing and resolving issues within the power amplifier.

Guidance for diagnosing and resolving issues in power supply and protection circuits.

Explanation of how the tone control circuit functions.

Detailed circuit diagram for the AU-5900 model.

Detailed circuit diagram for the AU-6900 model.

Detailed circuit diagram for the AU-7900 model.

Procedure for adjusting the driver circuit board for optimal performance.

Steps for replacing power transistors in the amplifier.