A litany of dumbassery

[twinturbo]

trying to calibrate the midi-2-cv and not getting less than 1v on the pitch bend…

Solder bridge -12 to ground

#1007 midimuso midi-cv

FIXED I bet your thihngking great, he’s fixed it and not going to spill the beans like so many techincal threads on forums. So. I had a better look at the schematic, determined the opamp must just be acting as a biased buffer. Not a lot to go wrong there really. I was going to check the output voltage of the opamp, but thought I should check the power rails first. +12 was fine, - 12 was awol. It was awol on all the 74’s I quickly checked my new PSU and that was fine I then …