[sdiy] Jupiter 6 experts?

[Florian Anwander]

Hello Steve


> If you look at the JP6 schematic, there are separate +10V reference and
> -5V supply rails generated for the OSC1s and OSC2s. I would speculate
> that a failed 3340 is affecting the other OSC2s via one of those rails.
The only thing that does not fit into this explanation: why are the 
VCO1's working fine, but VCO2's not?

Nevertheless, the ultrasonic 3340 is the main suspect.

Florian