How to mend Key Electronic Buttons

need new cord?

Ettor code in cvp 209?

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

Need a main board for my pr370?

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

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

fix speaker?

Electric piano with clicking keys ?

Hissing Sound?

Technics SX-PR603, edelp for repair?

elka x30?

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

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

How can i fix my yamaha keyboard, PSR 270?

korg c 15s service manual?

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

Rec Mutipal tracks of music MD 4072?

wrong plug?

my piano soft pedal wont work?

Technics SX-PX554 no sound?

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

Technics PR602 replacing the disc drive with hard drive?

No sound?

Sound Name Error on Technics Pr902 Piano?

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

How can I fix my Yamaha Clavinova CVP-55?

yamaha keyboard PRS-70?

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

How can I fix a keyboard with dead keys. ?

Technics Digital Piano PR370 sound problem?