Discussion about the Korg PolySix synthesizer

I have a polysix that I have chosen to disassemble as
it has been damaged by battery leaking.  I would like
to do something intersting with the main voice board. 
Does anyone have schematics of the voice board on line
somewhere? 

I have read several messages on line that imply the P6
has "vco's" I was under the impression that the
oscilators were digital.  If, in fact, they are
analogue, is it possible to access the CV inputs for
them ?  

What I am thinking is that with a few pots and a paia
midi-cv board plus some additional parts I could make
a fairly simple polyphonic midi module that sounds
like a polysix (sans patch memory of course).

Anyway, any help would be appreciated.

Thanks
Daryl

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