Ok,
The 3080 was indeed dead. I'll get it replaced.
Thanks for answering that fast.
Max.

--- In Doepfer_a100@yahoogroups.com , <yahoo@...> wrote:
>
> > Hi,
> > I just discovered my A132-1 is not working (I bought it a few
> > weeks ago but was only using one VCA...). The top VCA unit is ok,
> > the bottom one is not.
> > It simply doesn't produce any sound whatever I feed in.
> >
> > Is there any test procedure or any part that is likely to die and
> > could be replaced Or shall I just return it
> > Thanks for your help.
>
> Maybe the OTA (CA3080) of the second VCA has become defective. You can find
> this out by swapping the two CA3080 in the module. In this case please ask
> your dealer for a replacement CA3080 or send the module back for repair. We
> discovered during the last few years that a small percentage of CA3080
> becomes defective after a couple of months or years. In new designs the
> CA3080 is no longer used (moreover they are no longer manufactured).
>
> Best wishes
> Dieter Doepfer
>