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Original Yamaha Service Manual for PSR Portatone Keyboards. Take your pick, for repair and for circuit bending.

Pick one for: PSR-100, PSR-150, PSR-180, or PSR-200

Choose ONE original Yamaha Service Manual. This is a full, original service manual, with specs, panel layout, block diagram, dis assembly procedure, test program, parts list, exploded views, circuit board diagrams and more! These are all in good to very good condition and you can choose whichever model you like above.

Includes:

• Specifications
• Panel Layout
• Circuit Board Layout
• LSI Data Table
• IC Block Diagram
• Overall Assembly
  
• Circuit Boards
• Parts List 

Modify / Circuit Bend it .... or fix some broken features, make it look pretty again or even bring back your PSR from the dead with help from this manual!

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