Discussion about the Korg PolySix synthesizer

>  
>
>
> >
> > 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.

> 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.

~G
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> >
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