[sdiy] Prophet 5 issue - any advice ?

[Bob Weigel]

Hmm..I...seem to remember that you can get some rather off tune effects 
using the poly mod and you have to compensate the base tunings around it 
to make useful sounds often.  I remember some of that kind of thing on 
mine before I sold it but if not would be interested to hear what's 
going on there.

Gil W. wrote:

>Hi all !
>
>My P5 restoration project is almost completed
>(documented as a thread on HC's KSS). However, a small
>issue still exist, thought you might be able to help
>here.
>
>Here's the problem:
>
>When I engage the Freq. A button from the Poly Mod
>section, one voice is off tune.
>
>In the service manual they say that the auto tune
>function is wide enough to handle most off-tune
>voices, and in any case that the auto tune feature
>can't tune a voice, one should check for a faulty
>component, rather than making any kind of calibration
>to the unit.
>
>Is there any tuning capacitor which handles only the
>Freq. A tuning, for each voice ? My first thought was
>that there's a bad polypropelene cap somewhere in that
>voice's circuit.
>
>any other ideas ?
>
>Thanks all !
>
>
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