I gave this a try on my dead Poly, but no luck. It seems that VR1
adjusts the +5V rail voltage and subsequently the supply voltage to
the CPU, but in my case it seems like all the chips are getting
adequate power.
<<aaRoN>>
--- In korgpolyex@yahoogroups.com, Russ <russdaren@...> wrote:
>
> I had this problem a while ago and got her back upby fiddling with
one of the VR pots. Cant recal which one did it. But one of them
seemed to control voltage for the CPU board. It wnet from no display,
to garbled, to functioning just fine ever since.
>