there is a document that explains the process on the Yahoo group files section: https://groups.yahoo.com/neo/groups/korgpolyex/files/2%29%20EX-800/Servicing/
There are no photos in the document. But it does describe the process quite well.
On Tue, 2019-08-27 at 09:25 +0000, domgoold@... [korgpolyex] wrote:
i'm having problems with the panel buttons not triggering consistently.think this is an old issue, but i can't seem to search past conversations for tips on how to resolve this,or find anything in the files.i remember that these are not common parts, and don't really want to have to replace them if i can avoid it.what are the maintenance tips for this ?? ;-)can the buttons be opened? would like to sort this out before/at same time.thanksD(this is the pre-amble to installing the mods: checking it over, finding it's dumped all patches,remembering my buttons are cranky, etc. - have it open; it programs normally, audio andeverything seems ok. in fact my battery socket holder fix hasn't held, and needs resoldering)