>
> Hi Mike,
>
> I've been tossing up whether to reveal this, as I have needed to find
> some more parts to fix one of my korgs, I have 2.5 now, (the .5 works
> but is missing keys and a joystick among other things)
>
> now that its in the egroup archive, anyone taking the time to read
> through the archive will find the answers they seek.
>
> I imaging the supply of "dead" korgs will dry up once everyone tries
> this on their machine before flogging it for parts
>
> anyway, for the good of the community, lets hope it does help to
> bring more back to life, so that there are more potential buyers for
> the upgrade kits!
>
> best regards,
>
> Marcus Wilson
>
> On 11/11/2007, at 11:29 AM, korgpolyex800 wrote:
>
> > Marcus,
> >
> > we should probably document your "secret" somewhere on this site.
> >
> > Mike.
> >
> > --- In korgpolyex@yahoogroups.com, "Jon" <shonokij@> wrote:
> > >
> > > Thank you!
> > >
> > > I'll let you know if I get it to work.
> > >
> > > //Jon
> > >
> > > --- In korgpolyex@yahoogroups.com, Marcus Wilson <JB@> wrote:
> > > >
> > > > Q1 and Q3 can be replaced by:
> > > > BD140
> > > >
> > > > http://www.dse.com.au/cgi-bin/dse.storefront/
> > > > 4735dc390a33bb062740c0a87f9c06b4/Product/View/Z1444
> > > > .85c ea
> > > >
> > > > Q18 can be replaced by:
> > > > BD139
> > > >
> > > > http://www.dse.com.au/cgi-bin/dse.storefront/
> > > > 4735dc390a33bb062740c0a87f9c06b4/Product/View/Z1443
> > > > .85c ea
> > > >
> > > > just be sure to ensure they are in the right way around!
> > > >
> > > > I have had 3 polys with no powerup, and dirty looking transistors.
> > > >
> > > > By replacing these 3 transistors I have been able to resurrect 3
> > > > polys so far!
> > > >
> > > > this secret is now out, and good luck to all who wish to try to
> > > > repair a dead poly using this replacement method.
> > > >
> > > > Once these are replaced you should be able to see 11 P on the
> > display
> > > > of the poly, and re-load your patches.
> > > >
> > > > Best Regards,
> > > >
> > > > Marcus Wilson
> > > >
> > > >
> > > >
> > > > On 10/11/2007, at 10:35 PM, korgpolyex800 wrote:
> > > >
> > > > > Jon,
> > > > >
> > > > > I did a google search on "NTE185 replacement" and "NTE254
> > replacement"
> > > > > and got plenty of hits where you can get those transistors.
> > > > >
> > > > > Let us know how you progress.
> > > > >
> > > > > Mike.
> > > > >
> > > > > --- In korgpolyex@yahoogroups.com, "Jon" <shonokij@> wrote:
> > > > > >
> > > > > > Hi!
> > > > > >
> > > > > > New to the group and proud owner of a broken Poly 800 MKII!
> > > > > >
> > > > > > The guy who owned it before me tried to restore it, with poor
> > > > > results (I think his plan was to
> > > > > > cover it with solder and pray it works afterwards.. it
> > didn't!).
> > > > > >
> > > > > > I've cleaned his mess up. But I'm missing Q1 and Q18 looks
> > kinda
> > > > > abused.
> > > > > >
> > > > > > Since Q1 - B744 is no longer in production. It's replaced by
> > NTE185
> > > > > - hard to get for me and
> > > > > > expensive. And it's the same with Q18 - B794 replaced by
> > NTE254.
> > > > > >
> > > > > > So I was wondering if you guys have any suggestions for other
> > parts
> > > > > i could exchange Q18
> > > > > > and Q1 with?
> > > > > >
> > > > > > Thanks!
> > > > > >
> > > > > > //Jon
> > > > > >
> > > > >
> > > > >
> > > > >
> > > >
> > >
> >
> >
> >
>
