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How can i fix my yamaha keyboard, PSR 270?

yamaha keyboard PRS-70?

Technics PR602 replacing the disc drive with hard drive?

wrong plug?

Technics SX-PX554 no sound?

Sound Name Error on Technics Pr902 Piano?

No sound?

Need a main board for my pr370?

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

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

How can I fix a keyboard with dead keys. ?

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

How can I fix my Yamaha Clavinova CVP-55?

korg c 15s service manual?

fix speaker?

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

Hissing Sound?

Electric piano with clicking keys ?

Technics SX-PR603, edelp for repair?

elka x30?

Technics Digital Piano PR370 sound problem?

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

Rec Mutipal tracks of music MD 4072?

my piano soft pedal wont work?

need new cord?

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

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

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

Ettor code in cvp 209?

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