How to mend Yamaha Psr-630

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korg c 15s service manual?

How can i fix my yamaha keyboard, PSR 270?

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need new cord?

my piano soft pedal wont work?

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wrong plug?

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yamaha keyboard PRS-70?

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Technics PR602 replacing the disc drive with hard drive?

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Hissing Sound?

Technics Digital Piano PR370 sound problem?

My top Bflat on my Roland 4500 piano has suddenly ceased to work?

How can I fix a keyboard with dead keys. ?

Ettor code in cvp 209?

My Yamaha P-200 sustain pedal function is 'sticking'?

Rec Mutipal tracks of music MD 4072?

i have a ROLAND RD-150 with tow keys with no sound, can i fix it?

No sound when I play my Technics SX PR170 digital Piano?

How can I fix the back-light in the LCD screen in my Yamaha PSR-630 keyboar?

fix speaker?

elka x30?

Why do yahama use plastic key boards when their products are so expensive?

No sound?