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Yamaha psr gx76 keyboard faulty

Discussion in 'Repairing Electronics' started by Jason pike, Dec 2, 2016.

  1. Jason pike

    Jason pike New Member

    Joined:
    Nov 30, 2016
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    Hi I used the wrong polarity on my Yamaha psr gx76 the keyboard turns on the screen lights up but no characters on the screen or sound ,would it be a similar scenario on my keyboard ?
     
  2. Les Jones

    Les Jones Well-Known Member

    Joined:
    May 15, 2015
    Messages:
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    Location:
    Lancashire UK
    I suggest that you start a new thread as your problem has nothing to do with the problem on this thread. Start by posting a full schematic of your unit.

    Les.
     

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