How to mend Yamaha Psr-630

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

Hissing Sound?

How can I fix a keyboard with dead keys. ?

Need a main board for my pr370?

wrong plug?

Technics SX-PR603, edelp for repair?

Ettor code in cvp 209?

elka x30?

How can I fix my Electric Roland Piano - notes not playing?

Technics PR602 replacing the disc drive with hard drive?

Technics SX-PX554 no sound?

How can i fix my yamaha keyboard, PSR 270?

Technics Digital Piano PR370 sound problem?

No sound?

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

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

Rec Mutipal tracks of music MD 4072?

Sound Name Error on Technics Pr902 Piano?

need new cord?

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

korg c 15s service manual?

technics pr902 popping and screen blank but lit. Any ideas please?

yamaha keyboard PRS-70?

How can I fix my Yamaha Clavinova CVP-55?

my piano soft pedal wont work?

fix speaker?

how can I fix my Clavanova CLP-950 two keys make no sound?

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

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

Electric piano with clicking keys ?