KORG DW8000 

after overhaul:

- New EURO 230Vac socket
- Transformer connected to 240Vac power supply (can be changed to 220, 117 or 110Vac by agreement)
- Entire keyboard disassembled, cleaned and lubricated
- All switches replaced
- New volume potentiometer
- New CR2032 battery
- New chip firmware V13
- Adjustment according to service documentation

Manual EN: https://www.korg.com/us/support/download/manual/1/309/3576/