one key problem in yamaha keyboard psr 225gm?
Yamaha P200 keyboard "klunk sound"?
My Yamaha P-200 sustain pedal function is 'sticking'?
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?
How can i fix my yamaha keyboard, PSR 270?