Discussion about the Korg PolySix synthesizer

Hello,
i have the same problem with VR2 and i have already changed PC-1 and 
R93 (VT5*** + 1k2 R93) ,q3, ic17, ic18, ic19, but it doesn't cause 
any change in pitch when it is turned.
Where is the solution ?
Any help please.
Thanks in advance
Emidio

> turned, although having checked it with a multimeter, it appears 
to be


--- In PolySix@yahoogroups.com, "martinwigy" <martinwigy@...> wrote:
>
> Hi,
> 
> I've recently acquired a Korg Polysix (mk 2 with no KLM-396 board),
> which was in pretty bad shape. I've changed the battery, which 
luckily
> had barely leaked at all, and recalibrating it has gone fairly
> smoothly. However, I've run into some trouble tuning it.
> 
> The problem seems to lie with VR2 on the KLM-366 board (the overall
> High Freq. tuner). It doesn't cause any change in pitch when it is
> turned, although having checked it with a multimeter, it appears 
to be
> working fine. As a result, I have had to use VR11 on its own and 
can
> never get the pitch of any oscillator lower than a top C#.
> 
> I have seen other reports of this sort of problem, although no
> solution. All other controls seem to work as expected, and I have 
been
> able to get the lower 3 octaves more or less in tune with each 
other,
> although not to the expected pitches.
> 
> Any ideas?
> 
> Thanks in advance,
> Martin
>