Hello Jim
I had a similar issue at my P6, and in the end replacing the LM339 (IC3)
solved the issue.
But there are other potential causes for failure involved:
IC1 (4066) might be failing.
Both (IC1 and IC3) might affect the PW/PWM switching too.
And finally IC34 (4042) might be failing.
Also the connectivity between IC34 and IC3 should be tested on the three
lines marked as C, D, and E.
Florian
PS everything on the KLM 367 board
Am 01.03.2018 um 09:16 schrieb
jimpster@me.com [PolySix]:
>
> Hi All,
>
>
> First Post in this wonderful Group, so.....
>
>
> I have acquired a P6 with the clone KLM board, reverse of the board
> shows that all the necessary Bug Fixes have been seen to with
> Jumpers/Bridges.
>
>
> The issue is that the MG Mode Switch does the following:
>
>
> VCO - the VCF modulates by LFO (no VCO)
>
>
> VCF - the VCF modulates by LFO (slightly different to above)
>
>
> VCA - the VCF modulates by LFO (slightly different to previous ones above)
>
>
> LFO Delay is working but also has a short delay of a second even at Zero.
>
--
http://www.florian-anwander.de