Discussion about the Korg PolySix synthesizer

--- In PolySix@yahoogroups.com, klosmon <klosmon@...> wrote:
>
> 
> >  
> >
> >
> > >
> > > At 2:02 Uhr +0000 27.01.2011, Alexis V. Rogers wrote:
> > > > I rechecked the connections and everything was good. The battery 
> > voltage was
> > > > low, however, so I swapped in a new one. Now, the Octave switch 
> > and the
> > > > Program 1 LED are back to normal.
> >
> In the first place, that's pretty strange, since the battery affects 
> neither of those.

Yeah, I thought that was strange too.
 
> > But, the VCA Attenuator is still not
> > > > working. The switch tests good, and so do the diodes connected to 
> > it. I've
> > > > also checked the verified the connections from DO3 to the KLM-367.
> > >
> >
> Look at IC35 on the CPU board -- pins 4, 7, 14 and 13 should be seeing 
> D04 through D07.  Pin 5 should be seeing the P25 line from the CPU.  
> Turning the rotary switch should show varying outputs on pins  2, 10, 1 
> and 11.


I verified continuity from IC35 pins, 4, 7, 14, and 13 to DO4 through DO7, and from pin 5 to P25. Turning the rotary switch I get a constant 0V on pins 2, 10, 1, and 11.

-Alex