Pioneer SA-6500 Service Manual

Overview of the main controls and switches on the front panel.

Details the microphone input jack and headphone output jack.

Illustrates how to connect various audio sources and outputs to the amplifier.

Explains the use of switched and unswitched convenience outlets.

Steps to remove the top cover of the amplifier unit.

Steps to detach the bottom plate from the amplifier chassis.

Steps for removing the front panel, including knobs and screws.

Procedure to remove the AF amplifier assembly from the chassis.

Identifies components and controls on the front panel.

Identifies components behind the front panel after removal.

Identifies components visible from the top of the amplifier chassis.

Identifies input/output terminals and connectors on the rear panel.

Explains the high gain IC equalizer amplifier and RIAA response.

Details the CR network tone control system and its amplifier stage.

Explains the direct-coupled OCL power amplifier and its stages.

Explains the circuit that reduces shock noise during power switching.

Details the circuit that protects speakers from excessive voltage.

Defines symbols used for screws, washers, and nuts in exploded views.

Detailed exploded view of front panel components and their labels.

Detailed exploded view of the sub chassis, power transformer, and AF amplifier assembly.

Detailed exploded view of rear panel connectors and terminals.

Illustrates the heat sink and associated components.

Details the mounting plate for the PC board and components.

Diagram of the printed circuit board layout for the AF amplifier.

Overview of schematic diagrams and lists for various components.

Lists part numbers for various components like switches, resistors, capacitors, etc.

Details transistor/IC appearance, rotary switch diagrams, and IC circuit diagrams.

Detailed schematic diagrams of the main amplifier and AF amplifier assemblies.

Printed circuit board layout with component and connection points.

List of semiconductor parts including transistors and diodes with part numbers.

List of switch components and their part numbers.

List of choke coils and their part numbers.

List of capacitor components with their values and part numbers.

Comprehensive list of resistors with their values and part numbers.

Continuation of the resistor list with part numbers.

Vinyl bag and operating instructions manual included in the package.

Connection cord and vinyl pouch for accessories.

Protective side pads and sheet cover for cushioning the unit.

The main packing case for the amplifier.