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Pioneer SA-6500 II Service Manual

Pioneer SA-6500 II
30 pages
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Pioneer SA-6500 II Specifications

General IconGeneral
BrandPioneer
ModelSA-6500 II
CategoryAmplifier
LanguageEnglish

Summary

1. Specifications

Semiconductors

Lists ICs, transistors, and diodes used in the amplifier.

Amplifier Specifications

Details circuitry, power output, and frequency response.

Performance Characteristics

Covers distortion, damping, tone controls, and hum/noise.

General Information

Includes power requirements, dimensions, and weight.

2. Front Panel Facilities

Front Panel Controls

Descriptions of Bass, Treble, Volume, Balance, and Tone controls.

Front Panel Switches

Details on Speakers, Function, Power, Loudness, and Tape Monitor switches.

3. Connection Diagram

Input and Output Connections

Diagrams for connecting Turntable, Tuner, Tape decks, Speakers, and Headphones.

Power and Grounding

Shows AC cord connection, outlets, and grounding.

4. Block Diagram

Signal Path Blocks

Block diagrams for Equalizer, Tone, and Power Amplifier stages.

Auxiliary System Blocks

Block diagrams for Power Supply and Protection circuits.

Block Diagram Notes

Explanations for switch symbols and control assignments.

5. Level Diagram

Input Signal Levels

Illustrates signal levels for PHONO and TUNER/AUX/TAPE inputs.

Output Signal Levels

Illustrates signal levels for SPEAKER and HEADPHONE outputs.

6. Circuit Description

Circuitry Details

Describes the Equalizer, Tone Control, and Power Amplifier circuits.

Protection and Muting Circuits

Explains the Muting and Speaker Protection circuits.

7. Disassembly Procedures

Top Cover Removal

Instructions for removing the top cover.

Bottom Panel Removal

Instructions for removing the bottom panel.

Front Panel Removal

Instructions for removing the front panel.

AF Amplifier Assembly Removal

Instructions for removing the AF amplifier assembly.

8. Parts Location

Front Panel Components

Labeled diagram of front panel components.

Front View (Panel Removed)

Labeled diagram of front components with panel removed.

Top View (Cover Removed)

Labeled diagram of top components with cover removed.

Rear Panel Components

Labeled diagram of rear panel components.

9. Adjustment Procedures

Idle Current Adjustment

Procedure and diagram for setting idle current.

10. Exploded Views

Exterior Assembly View

Exploded view of the main exterior parts.

Part 1 Exploded View

Exploded view of Part 1 components.

Part 2 Exploded View

Exploded view of Part 2 components.

Part 3 Exploded View

Exploded view of Part 3 components.

Part 1 Detailed View

Detailed exploded view of Part 1.

Part 2 Detailed View

Detailed exploded view of Part 2.

Part 3 Detailed View

Detailed exploded view of Part 3.

AF Amplifier Assembly Exploded View

Exploded view of the AF amplifier assembly.

11. Schematics and Parts Lists

Miscellaneous Parts List

Lists switches, transformer, capacitors, lamps, and fuses.

Semiconductor Appearance

Shows external views of transistors, ICs, and thyristors.

Rotary Switch Diagrams

Illustrates rotary switch rear and side views.

IC Circuit Diagram

Provides the circuit diagram for the TA7136P1 IC.

Main Schematic Diagram

Overall schematic diagram of the amplifier.

AF Amplifier Schematic

Detailed schematic for the AF amplifier assembly.

PCB Layout Diagram

Diagram showing the Printed Circuit Board layout.

AF Amplifier Parts List

Detailed parts list for the AF amplifier assembly.

Resistor Parts List

Lists resistors with their descriptions and part numbers.

Semiconductor Parts List

Lists transistors, diodes, ICs, and varistors with part details.

12. Packing Instructions

Packaging Components

Lists vinyl bag, instructions, pads, cover, pouch, and case.

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