I’ve just recived a SQ80, well aware that it was not working. I took my chances and want to see if I can either repair it or sell it as parts.
Basically there is no sound from the unit and nothing on the display. I checked all power rails according to the service manual on Buchty’s site. https://www.deepsonic.ch/deep/docs_manuals/ensoniq_sq-80_technical_description.pdf
All good, but problem persist.
Also fuses are good.
Would be great to test with a known working display board, but I don’t have access to spare parts, so looking is I can do something else to find the issue.
No sound either, but there is a short rising sine tone on the output when powering off, so something is alive in there.
I have good technical knowledge, but again no access to spare parts unfortunately.
Maybe the best thing would be to see if I can find another broken SQ80 and see if I can get a complete one out of the 2…
I live in Denmark, and the market is not exactly overflowing with SQ-80’s and at the same time seems like many are geting their eyes opened for these old Ensoniqs. Increasing the demand and the price…
Any advise would be appreciated.