Discussion about the Korg PolySix synthesizer

Very strange.... any battery leakage ?

Also, you may want to try to replace any logic IC connected directly 
with the problematic control, placed on the front panel's pcb...



--- In PolySix@yahoogroups.com, "roisto" <roisto@...> wrote:
>
> thanks, i will try that. it does happen with 7th and 8th 
oscillators,
> but only one at time. changing eg-mode seems to affect wich one is
> malfunctioning.
> 
> --- In PolySix@yahoogroups.com, "gil_we" <gil_we@> wrote:
> >
> > Does it happen only to one of the 8 oscillators ? if so, replace 
its 
> > SSM2044 chip....
> > 
> > 
> > 
> > --- In PolySix@yahoogroups.com, "roisto" <roisto@> wrote:
> > >
> > > I mean that filter of the last two oscillators has somehow 
turned 
> > to 
> > > work negative. When cutoff filter is opened, one oscillator 
plays 
> > it 
> > > closed (like lowpass effect), and vice versa, when filter is 
> > closed, 
> > > one oscillator plays filter totally opened. Two modes at the Eg-
> > mode 
> > > seems to change this effect between 7th and 8th osc. Thank you 
for 
> > > you reply.
> > > 
> > > -t
> > > 
> > > 
> > > 
> > > --- In PolySix@yahoogroups.com, "gil_we" <gil_we@> wrote:
> > > >
> > > > What do you mean by "opposite way" ??
> > > > 
> > > > The replacements seems fine to me.
> > > > 
> > > > 
> > > > 
> > > > 
> > > > 
> > > > 
> > > > --- In PolySix@yahoogroups.com, "roisto" <roisto@> wrote:
> > > > >
> > > > > I just got this synth and it has something wrong with 7th 
and 
> > 8th
> > > > > voices. When i´m adjusting eg intensity, filters for the 
last 
> > two 
> > > > > voices are working opposite way :) i opened it and found 
that 
> > all 
> > > the 
> > > > > vcf:s were SSMT2044 except voice 8 wich was SSM2044 (maybe 
> > > someone 
> > > > > has changed one or all of them?!) and MC14066B chip at the 
8th 
> > > voice 
> > > > > has been replaced with F 4066BPC (having "indiana" text on 
> > it).. 
> > > > > anyways battery was brand new inside the trident, and 
> > everything 
> > > else 
> > > > > seems to work 100%. Any ideas how to fix this?
> > > > >
> > > >
> > >
> >
>