Yamaha Clavinova 209 Piano - Before the repair, the piano powered up but had no sound output.

Yamaha Clavinova CVP 207 Piano - The piano powered up but had no sound output.

Yamaha Clavinova CVP 89 Piano - The piano powered up but had no sound. Buttons were not responsive.

Yamaha pSR 2100 Keyboard - Distorted Sound
 

Yamaha Clavinova CVP 87A Piano Motherboard - The piano has only hissing noise before the repair. 

Yamaha Clavinova CVP 98 - Before the repair, the piano powered up but had no sound output.

Yamaha PSR S900 Keyboard - Repaired the bad back light for the keyboard Display.

Repaired a Roland KR-4500 Digital Piano with Low Volume and Crackling Noise.