hi-thanks alot for this. sorry, just to clarify, are we talking IC13 on which board? thanks, rj
--- In PolySix@yahoogroups.com, Andrew Jury <andy@...> wrote:
>
> Hi,
>
> First of all check that you have -5vc at IC13 pin 7 with the MG speed pot
> fully counter clockwise. Fully clockwise you should have +5v at the same
> point. Any deviation means you should be looking at the mux bus or, dare I
> say it, the pot itself! Buzz back and let us know...
>
> Cheers,
> Andy
>
>
> On 23/01/2010 21:38, "r_j_d_2.phila" <r_j_d_2.phila@...> wrote:
>
> >
> >
> >
> >
> >
> > hey folks, first of all thanks to all of you who helped me with my SRAM chip
> > issue. i got a 5514, and the current draw is proper, it now holds the memory,
> > no battery draining issues.
> >
> > so i took this on the road, and the MG (LFO) section starting malfunctioning.
> > issues:
> >
> > -the RATE pot doesnt throw from roughly 0hz-10hz. it now goes from 0 to about
> > 3 or 4hz midway and then back to 0hz at the end of the throw.
> >
> > -the 3-way destination switch only works at VCF
> >
> > -these malfunctions affect the presets. so any of the patches i had written
> > that had VCO modulated by the MG are now rendered moot.
> >
> > any ideas? i have had CMOS chips fail in other Korg instruments of this era;
> > possibility? thanks alot for the help-rj
> >
> >
> >
> >
> >
>
>
>
> [Non-text portions of this message have been removed]
>