Archive of the former Yahoo!Groups mailing list: Discussion about the Korg PolySix synthesizer

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Subject: Re: looking for advice for diagnosing recent polysix disaster

From: "gil_we" <gil_we@yahoo.com>
Date: 2005-05-11

I'd check the Powersupply board for shorts - I can't remember but I
think there should be a few transistors at the area - check them out
for shorts.



--- In PolySix@yahoogroups.com, "hoggy_bogger" <yanbu@c...> wrote:
> I'm really hoping I can get some help / advice from you all. Ok,
> i'll state the facts once again:
>
> My polysix fell out of tune last week, a few days before I was
about
> to play a show, and I decided to get in there and tune it. I got
it
> rock solid in tune, and this is obviously where I went wrong - I
had
> it plugged in still - and closed the cover down to put all the
> screws in and saw a small flash from the center back portion of the
> inside. It seemed like it came from the center back board that's
> screwed in with the metal plate, the one that holds the fuses. The
> first of the two fuses blew out. I looked around for quite some
time
> to see if I pinched any wires against the case or something
obvious,
> but couldn't find anything. I bought new fuses and replaced, but
> they blow out immediately when powered up.
>
> I'm pretty handy with a soldering iron and such, can plunder my way
> through schematics - but not sure where to start and thought I
better
> ask some advice. Thanks in advance for any help. The most I can
> offer this board is my patch dumps, I have a number that aren't in
> your files area.