Minimoog Vcf

[<<marjan>>]

> I have just looked at the 3 schematics I have - the one scanned in from
> the Minimoog service manual, the drawing of the filter alone from an
> earlier version of the manual, and a hand-drawn version by Gene Stopp.
> All of them have the positive power supply connected to the collector of
> Q6 (in the output differential amplifier).  Two of them show R20 and R24
> to be equal in value (220K); as the version I scanned in had a different
> value for R20, I assumed it was a typo, and changed it to be equal to
> R24.  I haven't found any other errors in the schematic I posted.  This
> is in no way saying that the schematic is accurate, just that it
> corresponds with the other Minimoog filter schematics that I have.

while at it,can you tell me the values for pots in envelope section

and why in the old vco board rev CV summing 741s are connected to gnd
instead to +10 on pin 7  ?


marjan