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Yamaha psr gx76 keyboard faulty

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Jason pike

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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 ?
 

Les Jones

Well-Known Member
Most Helpful Member
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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