What to do if the volume is too soft or the sound quality is poor on my Yamaha Electronic Keyboard?
- FfryamyAug 20, 2025
If the volume is too soft, the sound quality is poor, the rhythm stops unexpectedly, recorded data doesn't play correctly, or the LCD display goes dark, the batteries may be low or dead. Replace all six batteries with completely new ones, or use the included AC adaptor.