Pioneer SA-9100 Service Manual

Graph showing power output vs. frequency.

Graph showing damping factor vs. frequency.

Graph showing RIAA equalization accuracy.

Graph showing phono input level vs. distortion.

Graph of distortion at different power outputs.

Response curves for low and high filters.

Frequency response with tone controls.

Frequency response with sub tone controls.

List of transistors and diodes used in the unit.

Technical specs for the power amp.

Technical specs for the preamplifier.

Power requirements, dimensions, weight, and other specs.

Description of the bass tone control.

Function of the power switch and indicator.

Controls speaker output selection.

Description of the treble tone control.

Limits output level for speaker protection.

Adjusts listening volume.

Selects input sources and modes.

Indicates protector circuit activation.

Connection for stereo headphones.

Filters out low-frequency noise.

Temporarily reduces volume.

Bypasses tone controls for flat response.

Filters out high-frequency noise.

Enhances sound at low volumes.

Adjusts left/right channel volume balance.

Details the equalizer amplifier stage.

Explains the control amplifier circuit.

Describes the low and high filter circuits.

Details the power amplifier stages.

Explains the speaker protection circuit.

Describes the power supply sections.

Layout of components on the top side.

Layout of components on the bottom side.

Steps to adjust idle current.

Steps to adjust neutral potential.

Overall system diagram and misc. parts list.

Schematic and parts for equalizer amp.

Schematic and parts for control amp.

Schematic and parts for filter amp.

Schematic and parts for power amp.

Schematic and parts for protection circuit.

Schematic and parts for power supply A.

Schematic and parts for power supply B.

Schematic and parts for switch A.

Schematic and parts for switch B.

Schematic and parts for switch C.

Schematic and parts for volume control.