How to mend Help Radio Couple

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

How can i fix my yamaha keyboard, PSR 270?

yamaha keyboard PRS-70?

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

wrong plug?

Technics SX-PX554 no sound?

Need a main board for my pr370?

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

Electric piano with clicking keys ?

How can I fix my Yamaha Clavinova CVP-55?

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

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

need new cord?

Technics SX-PR603, edelp for repair?

my piano soft pedal wont work?

Sound Name Error on Technics Pr902 Piano?

Rec Mutipal tracks of music MD 4072?

Technics Digital Piano PR370 sound problem?

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

Technics PR602 replacing the disc drive with hard drive?

How can I fix a keyboard with dead keys. ?

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

No sound?

elka x30?

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

korg c 15s service manual?

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

Hissing Sound?

fix speaker?

Ettor code in cvp 209?