Vintage Synth Repair

I think that's done with two diodes in parallel, but opposite directions. Also you need to route a -10v feed to the wheel if I recall. Looks a simple mod, though I've never done it.

Cheers,
TOM



--- In vintagesynthrepair@yahoogroups.com, Terje Winther <terje.winther@...> wrote:
>
> Hi all,
> I have a minimoog in for minor service/calibration from a  
> professional. Low serial number, and in very good shape.
> The owner wants to have a larger center detent on the pitchbend wheel,  
> and playing the mini I kind of agree: it is a bit hard to fint the  
> exact center spot.
> The center detent "click" is there, and careful playing in the studio  
> is fine, but on the fly live I can imagine some strange off-tune  
> unwanted sideeffects.
> I think I remember seeing some mod to augment the center of the  
> pitchwheel, but I can´t seem to find this. Anyone heard of this?
> It is the standard, early thin white pitch and mod wheels with smooth  
> surface.
> Also, applying large amounts of pitchbend causes the VCOs to bend  
> apart in pitch. I don´t think there is an individual calibration for  
> this, so I will have to dig into the CV-summer and see what is wrong,  
> I think.
> 
> 
> Terje Winther
> terje.winther@...
> http://www.wintherstormer.no/
>