How to mend Yamaha P90

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

yamaha keyboard PRS-70?

How can i fix my yamaha keyboard, PSR 270?

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

How can I fix my Yamaha Clavinova CVP-55?

Need a main board for my pr370?

need new cord?

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

No sound?

my piano soft pedal wont work?

Hissing Sound?

Technics Digital Piano PR370 sound problem?

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

Electric piano with clicking keys ?

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 a keyboard with dead keys. ?

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

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

Technics SX-PX554 no sound?

wrong plug?

korg c 15s service manual?

Sound Name Error on Technics Pr902 Piano?

Rec Mutipal tracks of music MD 4072?

fix speaker?

elka x30?

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

Technics PR602 replacing the disc drive with hard drive?

Technics SX-PR603, edelp for repair?

Ettor code in cvp 209?