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Yamaha A-760 Service Manual

Yamaha A-760
20 pages
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Yamaha A-760 Specifications

General IconGeneral
BrandYamaha
ModelA-760
CategoryAmplifier
LanguageEnglish

Summary

Front Panel Controls and Indicators

Rear Panel Connections

Internal Component Layout

Disassembly Procedures

Top Cover Removal

Instructions for removing the unit's top cover.

Bottom Cover Removal

Steps to detach the bottom cover of the unit.

Front Panel Removal

Guide to safely detach the front panel assembly.

Rear Panel Removal

Procedure for removing the rear panel.

Function C. Board Removal

Steps to remove the function control board.

Tone Control C. Boards, Main C. Boards, and Control C. Board Removal

Instructions for removing various control and main circuit boards.

Main C. Board (1) and Heat Sink Removal

Guide to removing the main circuit board and heat sink.

Power Transformer and Control C. Boards Removal

Steps for removing the power transformer and associated control boards.

Adjustment Procedures

Idling Current Adjustment

Procedure for setting the initial operating current.

Offset Voltage Adjustment

Steps to nullify any DC offset voltage.

Main ± B Voltage Adjustment

Guide for adjusting the primary power supply voltages.

Photo-coupler Current Check

Method to verify photo-coupler current for proper operation.

Block Diagram

Specifications

Wiring Diagrams

Control C. Board Schematic Diagram (General model)

Control C. Board Schematic Diagram (Regional variants)

Parts List

Exploded View

Diagram showing the physical arrangement of all components.

Parts List (Mechanism)

Detailed list of mechanical and electrical parts by reference number.

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