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Manuals
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Yamaha Manuals
Amplifier
M-50
Service manual
Yamaha M-50 Service Manual
Stereo power amplifier
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Table Of Contents
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Front Panel
Contents
Rear Panels
Specifications
Internal View
Top View
Disassembly Procedures
Bottom Cover Removal
PJ & VR Circuit Board Removal
Meter Circuit Board Removal & Replacement of Parts
Parts of the Electrolytic Capacitor Circuit Board Replacement
Power Transistor Replacement (Rch)
Mounting TR135-142
Power Transformer Removal
Mounting TR131-134
Adjustments
Before Commencing
Precautions in Adjusting the Control Circuit Board
Check Points
Power Supply Troubleshooting
To Confirm Proper Operation of Control Circuit Board
Control C.board/Schematic Diagram (Gerenal Model)
Control C.board/Schematic Diagram (British, Australian and European Models)
Block Diagram
Parts List
Exploded View (Front Panel)
Exploded View (Rear Panel)
Parts List (Circuit Board)
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1
Front Panel
2
Rear Panels
3
Specifications
4
Power Transistor Replacement (Rch)
5
Power Supply Troubleshooting
6
Control C.board/Schematic Diagram (Gerenal Model)
7
Block Diagram
8
Parts List (Circuit Board)
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