[sdiy] Prophet 5 issue - any advice ?

[Gil W.]

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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