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Yamaha A-460 - Service Manual

Yamaha A-460
20 pages
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Summary

Front Panel Layout

Rear Panel Connections

Internal Component View

Disassembly Procedures

Top Cover Removal

Steps for safely removing the top cover of the amplifier unit.

Bottom Cover Removal

Steps for safely removing the bottom cover of the amplifier unit.

Front Panel Removal

Procedure for detaching and removing the front panel assembly.

Power Transistor Replacement

Detailed steps for replacing power transistors, including mica base.

Main Printed Circuit Board Removal

Instructions for removing the main circuit board from the unit.

Adjustment Procedures

Idling Current Adjustment

Procedure for adjusting the amplifier's idling current for optimal performance.

Specifications

Block Diagram

Wiring Diagram

Schematic Diagram

Parts List

Exploded View (Front)

Visual breakdown of the amplifier's front components for identification.

Exploded View (Rear)

Visual breakdown of the amplifier's rear components for identification.

Parts List (Circuit Board)

Detailed listing of components specifically on the circuit board.

Summary

Front Panel Layout

Rear Panel Connections

Internal Component View

Disassembly Procedures

Top Cover Removal

Steps for safely removing the top cover of the amplifier unit.

Bottom Cover Removal

Steps for safely removing the bottom cover of the amplifier unit.

Front Panel Removal

Procedure for detaching and removing the front panel assembly.

Power Transistor Replacement

Detailed steps for replacing power transistors, including mica base.

Main Printed Circuit Board Removal

Instructions for removing the main circuit board from the unit.

Adjustment Procedures

Idling Current Adjustment

Procedure for adjusting the amplifier's idling current for optimal performance.

Specifications

Block Diagram

Wiring Diagram

Schematic Diagram

Parts List

Exploded View (Front)

Visual breakdown of the amplifier's front components for identification.

Exploded View (Rear)

Visual breakdown of the amplifier's rear components for identification.

Parts List (Circuit Board)

Detailed listing of components specifically on the circuit board.

Yamaha A-460 Specifications

General IconGeneral
Power Output60 watts per channel into 8Ω (stereo)
Frequency Response20Hz to 20kHz
Input Sensitivity2.5mV (MM), 150mV (Line)
Signal-to-Noise Ratio86dB (MM), 100dB (line)
Dimensions435 x 112 x 388mm
Weight8.2kg
Total harmonic distortion0.015%

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