Discussion about the Korg PolySix synthesizer

I've exchanged those 2 ic's on effects board [4066 and lm324n] but effects still are not working :(


--- In PolySix@yahoogroups.com, Andrew Jury <andy@...> wrote:
>
> Make sure the op-amp that is buffering the output of the mux is still
> behaving like a an op-amp! Also, do make sure you are in 5533;Manual¹ mode
> before measuring these voltages....
> 
> Cheers,
> A
> 
> 
> On 06/01/2011 16:35, "radek" <radek.tymecki@...> wrote:
> 
> >  
> >  
> >  
> >    
> > 
> > hmmm.... intensity wasn't vary'ing when i was checking pin 1. when it was on 0
> > it was 0.5 v when it was set on 10 voltage was 0.01 v or sth like that...
> > 
> > --- In PolySix@yahoogroups.com <mailto:PolySix%40yahoogroups.com> , Andrew
> > Jury <andy@> wrote:
> >> >
> >> > Hi Radek,
> >> > 
> >> > Seems that the KLM-367 is not the issue. BTW the intensity voltage should
> >> > vary from ­5V (0) to +5v (10). Next turn to the KLM-368 and check the
> >> switch
> >> > input buffer op-amps (IC23) and then the quad bilateral switch IC14. One
> >> > thing to note. I have had various NE571 compander chips fail on these board
> >> > before which cause numerous and amusing effects of there own!
> >> > 
> >> > Let us know how you get on.
> >> > 
> >> > Cheers,
> >> > Andy
> >> > 
> >> > 
> >> > On 06/01/2011 10:40, "radek" <radek.tymecki@> wrote:
> >> > 
> >>> > >  
> >>> > >  
> >>> > >  
> >>> > >    
> >>> > > 
> >>> > > Hi there!
> >>> > > 
> >>> > > pin 1, 10 and 11 went high. also voltage on pin 1 of ic16 changed when i
> was
> >>> > > turning speed knob.
> >>> > > 
> >> > 
> >> > 
> >> > 
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> >> >
> > 
> >  
> >    
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> [Non-text portions of this message have been removed]
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