Archive of the former Yahoo!Groups mailing list: Discussion about the Korg PolySix synthesizer

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Subject: Re: Polysix effects doesn't work

From: "radek" <radek.tymecki@op.pl>
Date: 2011-01-06

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, 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.
> >
>
>
>
> [Non-text portions of this message have been removed]
>