Discussion about the Korg PolySix synthesizer

Yeah, "strange" is my middle name.  Re-checked the traces several 
times & found nothing out of order;  might try severing all suspect 
traces at both ends & hardwiring (as a last resort).
Also want to look at the 4066 switch again (IC 1) -- will spend a few 
hours on it this weekend & let you know how it comes out
(so many synths to repair, and so little time!)
Thanks for your suggestions.

~G

--- In PolySix@yahoogroups.com, The Old Crow <oldcrow@o...> wrote:
> 
>   That is certianly strange.  The only thing I can note is the 
trace for 
> the pitch modulation to CN06-2 does run right through the splash 
damage 
> area of the original battery, so perhaps the trace got shorted or 
opened 
> and is picking up noise from another part of the circuit.  Another 
guess: 
> replace C43, which decouples noise on the pitch mod line from CN06-
2.
> 
> Crow
> /**/
> 
> On Wed, 3 Sep 2003, cavernosum6 wrote:
> 
> > Hi -
> > thanks;  had a few minutes last night -- disconnected the wheels 
from 
> > the front panel (no help); disconnected CN06 - 2 (no help);  
> > disconnected R9 that feeds the CV mixer IC 8 :  problem vanished.
> > 
> > Didn't have any more time (dealing with a dead Prophet 5 power 
> > supply), but it's aroused my curiosity:  why would pulling R9 do 
the 
> > job, when pulling CN06-2 had no effect? -- according to the 
> > schematic, it would be basically the same thing.
> > 
> > Hope to have more time tonight;  meanwhile, any further thoughts 
> > would be appreciated.