From yahoo Sent Tue, Apr 5th 2016, 07:56
From yahoo Sent Tue, Apr 5th 2016, 07:56
> Hi All
>
>
> Sorry to be resurrecting such an old thread but I can't find any more recent discussion on this topic elsewhere. I am
> also experiencing this bleed issue in both VCAs, like others worse in EMP mode, but still there in Lin mode. It is V2
> with the SSM2164. Looking at the back of the PCB there are some modifications (see images here). Are these an attempt to
> resolve some of the bleed issues? I have read the info on swapping resistors but not sure if this is necessary on this
> module or has it already been done (I also wasn't sure which resistor was R24). As the bleed is still there is there any
> further modifications that can be done?
>
>
> Thanks
> Alan
Indeed we modified the module a bit by adding a 10M resistors between -12V and pin 9 of IC3 to add a small negative offset voltage
to make sure that the VCA closes when the CV sum is 0V. Maybe 10M is not sufficient for your individual module and has to be lowered
again.
Best wishes
Dieter Doepfer
------------------------------------
------------------------------------
------------------------------------
Yahoo Groups Links
<*> To visit your group on the web, go to:
http://groups.yahoo.com/group/Doepfer_a100/
<*> Your email settings:
Individual Email | Traditional
<*> To change settings online go to:
http://groups.yahoo.com/group/Doepfer_a100/join
(Yahoo! ID required)
<*> To change settings via email:
xxxxxxx_xxxx-xxxxxx@xxxxxxxxxxx.xxx
xxxxxxx_xxxx-xxxxxxxxxxxx@xxxxxxxxxxx.xxx
<*> To unsubscribe from this group, send an email to:
xxxxxxx_xxxx-xxxxxxxxxxx@xxxxxxxxxxx.xxx
<*> Your use of Yahoo Groups is subject to:
https://info.yahoo.com/legal/us/yahoo/utos/terms/