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Repair and disassembly guides for electronic keyboards.

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Keyboard buttons won't work

Yamaha psr-82 My keyboards buttons from overall controls, accompaniment control, voice/style, sustain, auto harmony, chord memory, and song book. The only button that works is the power button. The adapter works and the keyboard keys work but everything else isn't.

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I don’t usually work in Yamahas but I have worked on lots of Roland machines and when the controls and button stop working but the keys work that tends to mean that the daughter board on the top half of the keyboard has a issue

I can’t say exactly what the issue is as it can’t vary from machine to machine but it should be obvious(I would look for blown components damage and corrosion),if you can’t see anything on the boards you can use this guide(linked below)if you would like:-)

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Hopefully this helps

Any questions please ask


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Hi @hellomacos,

It could also be something as simple as a loose cable connection to the board (at either end)



Hi @jayeff

It could be that:-),it could also be a battery leak if it uses them


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Adrianna Overfield zal eeuwig dankbaar zijn.

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