Thanks everybody. I'm planning to work on it this weekend so I'll let
you know how it turns out. If it proves to be beyond my capabilities
I guess I'll look into a replacement K-367A board.
-Brian
--- In PolySix@yahoogroups.com, Oliver Fairhall <o.fairhall@...> wrote:
>
> Basically you should remove the PCB, remove any socketed devices, clean
> the board as best you can, solder wire connections wherever there are
> damaged tracks, and hope that the ICs have not been compromised.
>
> Knowing which tracks are OK can be tricky. It is good to test these with
> an Ohmeter, but be careful of what you are actually measuring, as a PCB
> will always have multiple electrical paths.
>
> This kind of fine wire work takes some skill to do well, and done badly
> it may cause difficulty with fault finding, as a bad solder joint will
> not behave as expected.
>
> If you want to see some examples of this kind of repair job, I'm sure
> there will be several examples of similarly repaired PCBs from Poly6s of
> forum members. Mine has been repaired twice, though I don't currently
> have my synth with me to photograph.
>
> Good luck with it all.
>
> -Oliver
>
>
> On Fri, 2008-10-31 at 05:19 -0700, steven pistrich wrote:
> > looks nlike there are plenty of corroded (dark colored) tracks
radiating out from the battery area....they did the easy part---- i
see a lot of rewiring/surgery in your future, but it could come back
to life.....wouldnt a simple replacement k-367 be nice?
> >
> >
> >
> >
> > ________________________________
> > From: Brian Down <mathletics@...>
> > To: PolySix@yahoogroups.com
> > Sent: Friday, October 31, 2008 1:03:05 AM
> > Subject: [PolySix] common problems?
> >
> >
> > hello all,
> >
> > i just picked up a polysix which has some serious issues. it will
> > intermittently produce something which almost resembles a proper
> > sound, but about half the time i get nothing at all.
> >
> > it has obviously suffered the infamous battery leakage as you can see
> > in this picture:
> >
> > http://i67.photobuc ket.com/albums/ h313/botcore/ DSC01168. jpg
> >
> > a new battery has been installed (by somebody before me) but it looks
> > like that is as far as previous repair attempts have gone.
> >
> > i have removed the board and will try cleaning it to see what happens,
> > but before i get into serious repair i'm hoping somebody can tell me
> > what else i might want to check for so i don't waste the effort only
> > to find out it wasn't the problem.
> >
> > any help would be appreciated!
> >
> >
> >
> >
> >
> >
> > [Non-text portions of this message have been removed]
> >
> >
> > ------------------------------------
> >
> > PolySix "Digiest" Page: http://www.acc.umu.se/~amber/Poly6Yahoo!
Groups Links
> >
> >
> >
>