KORG 01/WFD COMBI bank B demo(after O/H, no talking) 

replace all capasiter
audio-grade capasuter use in analog circuit.(NICHICON MUSE ES)
rebuild FS keybed.
disassembly and polishing all jacks.
replace to LED backlight LCD.
install FDD emulator.
replace all tactswitch.
disassembly and cleaning both sliders.
disassembly and cleaning pitch bender pod.
Broken ring and little finger on my right hand.
and more...