Hi Cornutt, thanks for the reply and advice. Much appreciated! I made some progress, but still have some issues left. Regarding #1 : i started calibration and could track the problem of the loud noise and Env release problem to Voice 3 one of the trimpots (vca offset of Voice3) was oxidized. when ca...

That is great news and let's me sleep better at night knowing i won't have to buy used 3340 at 90 bucks a piece should one of the 18 CEM based oscilator chips installed in my synths fail at one point.

Hi all, i just got a lovely Juno 60 that has a few issues. I have a tech helping me with repair in 2 weeks, but would like to do some troubleshooting prior to the repair and most of all learn something from it, so i wonder if i can get some help or tips tracing the issues described below? I have dow...