Korg Poly800/EX800 Users

> Hello,
>
> I'm new to the group here, as I just bought an EX-800. All was  
> working well until my power supply decided to start outputting -15 V  
> instead of -9V. Of course, I discovered this after the unit stopped  
> turning on.
>
> I think that I may have blown out Q1 and/or Q3... not really sure.  
> If anyone knows of suitable replacements for these two transistors,  
> please do let me know.
>
> Otherwise... I'm very happy to be a part of this group!
>
> Thanks - DT

> > > > --- 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
> > > > >