I don't think that it's a problem of the electrolytic capacitors because in the center position of the range switch no electrolytic capacitors are involved. Only in the upper and lower position of the range switch electrolytic capacitors are used as timing capacitors. In the center position a foil capacitor is used and I don't think that it's damaged.

Best wishes
Dieter Doepfer

> -----Ursprüngliche Nachricht-----
> Von: Doepfer_a100@yahoogroups.com [mailto: Doepfer_a100@yahoogroups.com ]
> Gesendet: Sonntag, 7. Juli 2019 05:38
> An: Doepfer_a100@yahoogroups.com
> Betreff: 1 Re: A-143-2 problem
>
> Thank you all for the replies. Checking the capacitors seems the easiest
> option. As switching between M-L-H position doesn't have any effect on the
> envelope maybe one of them is defect. The one that is in all signal paths.
>
> Karel.