Discussion about the Korg PolySix synthesizer

You probably cleaned off some bad traces that were only conducting
through the oxidized corrosion stuff.  Look for those traces and
replace them.  Good luck!

On Dec 12, 2007 7:57 AM, scottboardway <scottboardway@yahoo.com> wrote:
> Any help would be more than greatly appreciated. I recently bought a
> non working Polysix figuring the obvious.  I opened it up and removed
> the varta battery and cleaned any noticeable corrosion with isopropyl
> alc. 70%.  I closed it up for now to play around with it for a bit.
> Nearly every key was dead but the two or three that did work allowed
> me to test things out.  Aside from sounding scratchy and
> unpredictable i.e. random sounds, sporadic led changes, the sound
> responded to ALL knob movements.  Every single one.  I figured that
> maybe the battery damage wasnt that bad.  So I opened it back up the
> following day to clean all key contacts, (now all keys work 100%),
> and picked up some 90% isopropyl and clean the board a little more.
> I fear I went wrong here as my next step was using a deoxit pen to
> further clean the battery area as well as spraying some contact
> cleaner on the panel boards underneath the front panel KLM-370.  I
> was obviously trying to clean out the pots and figured that was the
> most effective way at getting at them.  I closed it back up and it
> sounded perfect.  Everything works except VCF and ADSR.  The
> programmer even seems to work although I have yet to put a new
> battery in.  Im wondering if I shorted something with either the
> deoxit or the contact cleaner and if so what? Or if it is just a bad
> traced that worked for a minute and now has gone bad? Again I would
> really appreciate any help.  Ive scoured this group as well as
> analogue heaven, old crow's etc and can't find anyone with the same
> problem of just those two funcions not working.
>
>
>
> PolySix "Digiest" Page: http://www.acc.umu.se/~amber/Poly6
> Yahoo! Groups Links
>
>
>
>



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-Chromatest J. Pantsmaker
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