[sdiy] Looking for Poly-61 Schematics

[Amos]

I have a couple of Korg Poly-61 synths in dire need of repair.

One of them is in good enough condition to warrant a full restoration;
the other I would like to play with.... possibly rackmount,
possibly get past the chunky increment/decrement interface and allow
knobular control.
If it's possible to get that nice/dirty filter with knob or CV control, it
would be quite a treat...

does anyone here have the schematics?

Also, has anyone else observed that the Poly-61 keybed seems to fail/gum up
at a much higher rate than other synths of the same vintage?
Seems like half of the 61's I see have had the keys yanked out in
frustration.

...Thanks!

Amos
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