I’ve got a Prophet 600 at a tech’s store right now. It’s been there since November and I’m not getting any good vibes from the phone calls I’m making to them. The tech actually told me to call him if I thought of anything else he could/should check.
Basically there are eight sequential (no pun intended) notes in the middle of the board that will not sound when the keys are pressed. The keybed is good as we’ve tested voltages and we’ve output via MIDI and they eight keys will activate an external MIDI device. The eight dead notes WILL play when activated through MIDI in. The tech is thinking it’s a chip somewhere but the more I’ve talked to him the less confident I feel that he’s going to find it. He does not sound motivated though he went through and cleaned everything and says to the eye everything looks good.
So I know it’s a long shot but has anyone encountered this before, and do you have any thoughts? Thanks!