I tried removing the screw and powering up. No change.
If only it could be that simple!
--- In PolySix@yahoogroups.com, Djé <onoffart@...> wrote:
>
> Hi Steve,
> The D(SW12) and 4(SW18)Switches uses the same line in the Programmer matrix, identified P13, Pin-5 of CN10 welded to the KLM-371(programmer board)
> On the KLM-371 between the SW15(PROGRAM-1) & the SW16(PROGRAM-2) you have a Fixing screw.
> The P13 trace pass just above,
> removed this screw and turn on the P6 on says us !
> All the Best
> Djé
>
> --- In PolySix@yahoogroups.com, "traxus12" <ocguitar@> wrote:
> >
> > Sorry, some of my formatting didn't make it through to the final post. I meant to include these.
> >
> > sound demo:
> > https://soundcloud.com/ocguitar/korg-polysix-death-sounds
> >
> > Bank D and Program 4 constantly illuminated:
> > http://imgur.com/TFEPUPB
> >
> > Thank you! Any advice would be appreciated.
> > -Steve
> >
> > --- In PolySix@yahoogroups.com, "traxus12" <ocguitar@> wrote:
> > >
> > > Hello! I picked up a Korg Polysix recently and I've been trying to bring
> > > it back to life. Nothing I've done has changed anything yet so I'm at a
> > > bit of an impasse and I'm hoping someone out there might be able to help
> > > me narrow down what I should do next. I know how to use a soldering iron
> > > but I'm a complete beginner at repairing circuit board traces.
> > >
> > > Let me give you the symptoms.
> > >
> > > 1. It sounds like it's gone absolutely mental with constant oscillation
> > > and other insanity going on from the moment I power it up.
> > > 2. The Bank D and Program 4 buttons are constantly illuminated after
> > > powering up.
> > >
> > > After cleaning up most of the corrosion I could find around the battery,
> > > it really didn't look as bad as I thought it might so I went ahead and
> > > just installed a Lithium battery holder (using Old Crow's guide) and
> > > tried powering up again. Nothing changed.
> > >
> > > After that, I went back in and removed the IC31 chip (74LS08) and tested
> > > all the traces in the area with a multimeter. Every trace I tested gave
> > > me a happy little beep, even the uglier looking ones that were near the
> > > old battery, so I went ahead and soldered in a new socket and 74LS08
> > > chip at IC31. Powered up. Nothing changed.
> > >
> > > Now, I'm not sure what to do. Did I miss a trace? Should I put jumper
> > > wires on the ugly looking traces even if my multimeter says they're
> > > conducting just fine? Should I replace the other ICs that were near the
> > > battery like IC30 even if they look fine?
> > >
> > > I recorded a sound demo. For the first 40 seconds I don't touch a thing,
> > > then I start to experiment:
> > >
> > >
> > > Bank D and Program 4 constantly illuminated:
> > >
> > >
> > > First sight:
> > > <http://imgur.com/Wv173WQ>
> > >
> > > After initial cleanup:
> > > <http://imgur.com/M8POlkz>
> > >
> > > Installed battery:
> > > <http://imgur.com/Pj3kDFT>
> > >
> > > Replaced IC31:
> > > <http://imgur.com/Nab9GYz>
> > >
> > >
> > >
> > >
> > > [Non-text portions of this message have been removed]
> > >
> >
>