Part 1 is up - and part 2 will be uploaded today
Anyone who owns older synths know by now there's a new skill we must learn to keep our gear working: electronics!
The video covers some basic tips for people who aren't sure about pulling apart their synths (which are older and out of warranty). I've got little to no experience doing this, so I thought if I can do it, you guys can also

FYI I ordered the part from Yamaha USA. This repair will also apply to anyone who has the same problem with the Yamaha DX200.