hi,
now is good , I have found a bad 4558 op amp on klm367 ic 11 !!
thanks
raf
--- In PolySix@yahoogroups.com, "rafeek.2010" <rafeek.2010@...> wrote:
>
> Hello everyone, first I would like to thanks for the outstanding work you do
> around this korg Polysix ...
> >
> > I post this message because I have a problem with and I can not solve alone
> ...
> > after the famous battery problem , I replaced the card KLM 367 with KLM-367A PCB Clone, everything goes well (thanks to Andrew Jury and jed Jorgensen !!!) ..
> Then I made the Polysix adjustment procedure from the service manual ,
> everything is well done... but the problem is that the sound of some presets of the "factory presets A" hear very bad (noisy) , here some example A3, A7, B6) on all of 6 voices:
> > http://soundcloud.com/rafdz/a3
> > http://soundcloud.com/rafdz/a7
> > http://soundcloud.com/rafdz/b6
> some other has no problem p ex A1 ...it is very strange!
> no change front knob, and it is the original presets
>
> > I started the procedure ( with millimetre , oscilloscope and frequency meter )several times but no change adjustment
> > may be the cutoff generates noise... ??? I really have no more solution
>
> Thank you for reading and hope to read you ...( sorry for my English I'm a frenchy !!!
> >
>