Moog Prodigy pitch wheel range

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Tobias Valentin
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Moog Prodigy pitch wheel range

Post by Tobias Valentin » Sun Oct 01, 2017 7:17 am

By opening my Moog Prodigy, I adjusted tuning of keyboard scale. The instrument has always been out of tune, but finally it's now in tune.
I did the tuning by ear, using no electronic equipment (I don't have any). I wasn't sure the whole time what I was doing.

It worked out fine - BUT now I found out that the pitch wheel suddenly only turns the notes 8 semitones up and down (it used to be 12 semitones before I did the scale tuning).
Did I touch something that I shouldn't have touched? In the image I show which pots I know has been turned to get the tuning right.

Where in the belly of the Moog do I find the right parts to turn, in order to get the pitch wheel back to normal?

Image

Image

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desmond
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Re: Moog Prodigy pitch wheel range

Post by desmond » Sun Oct 01, 2017 12:42 pm

Do you have a copy of the service manual?
I'm sure this stuff should be documented in there, somewhere...

Note: on my (late model) Prodigy, which was in tune, the pitch wheel never gave a full perfect octave - I don't think it was ever intended to, to be honest, and this is the same I believe on other Moog's like the Mini etc...

Tobias Valentin
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Re: Moog Prodigy pitch wheel range

Post by Tobias Valentin » Tue Oct 03, 2017 2:56 pm

The strange thing is that the sudden decrease in pitch range is not affected by the pots that was used to tune the scale.

I have two manuals called Moog Prodigy Technical Service Manual (only the few pages that explains the alignment of scale/tuning) and Moog Prodigy - Owner's Manual. But I couldn't find the answers there.

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