Yamaha PSR E253 has a button that keeps pressing on its own
crwdns2934249:0crwdne2934249:0:
Hello, there is a button in my keyboard which is the minus button, it presses on its own causing the voice to change continuously/constantly. And another thing is that I can't press other buttons beside it if it does that thing. What do I need to do to fix this?
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