Korg Triton - Clean Repair Key Not Working (no sound)

The upper ’G’ key was failing to play any sound, so I thought I would have a go at repairing it myself before calling an engineer to fix it. this video might also be useful for other reasons to open the Korg Triton, i.e. replace floppy drive, replace fuse, upgrades for expansion & memory etc. Good Luck!