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Original Yamaha PSR-E423 Portatone Digital Keyboard Owner's / User's / Operating Manual Book

This is an original Yamaha User's / Owner's / Operating Manual for the Yamaha PSR-E423 model of Portatone electronic keyboard. It's in remarkable like new condition, complete and very helpful if you have one of these excellent digital keyboards.

It is all in English and has 92 pages of great information on using, playing and caring for your Yamaha PSRE423 keyboard!

• This is a manual or document, this is NOT a piece of equipment or instrument. If you have any questions, I'm always happy to answer them.
  

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