This user manual explains how to safely set up and use the Yamaha YDP-123 digital piano. It covers safety precautions, required accessories, assembly, basic operation such as volume control, headphone use, and key functions. Detailed sections describe tone selection, dual sounds, reverb, transpose, metronome, and MIDI configuration.
Additional chapters provide information on optional accessories, service and warranty terms, and contact details for Yamaha service centers. The guide also includes troubleshooting advice and instructions for proper maintenance and care of the instrument. This manual is written in Japanese.
| Power Supply Voltage | AC 100 V |
|---|---|
| Warranty Period | 1 year for instrument, 6 months for headphones |
| Minimum Spare‑Part Retention | 8 years after production end |
Use an AC 100 V power source.
The instrument is covered for 1 year and the headphones for 6 months from the purchase date.