Korg Poly800/EX800 Users

Im having problems with Yahoo too.
I can post 	msgs, but couldnt access the files section.

might try getting a photobucket or Flickr account to host your images on for the meantime  until yahoo gets their act together...



--- In korgpolyex@yahoogroups.com, Tavish McDonald <tavishmcronald@...> wrote:
>
> Good guess, from what I can tell it turns out they did do exactly that. I
> turned the board over and found a some wires connecting the jack to where
> the battery current goes in. Also two capacitors going across the
> output/headphone jacks, maybe if I cut these the headphone jack will work
> again. I would post pictures of what I found but I'm having trouble getting
> into the members only area now?
> 
> On Tue, Sep 18, 2012 at 10:14 AM, bimmerfan222 <bperkins211@...>wrote:
> 
> > **
> >
> >
> >
> >
> > Hard to tell from the pics, but I wonder if the prev. owner/butcher
> > managed to somehow re-route the external power connection direct to the
> > battery terminals and that's why it powers up when you plug a wallwart into
> > the 9v DC input jack.
> >
> > I think the LED they put in it was perhaps either an activity indicator or
> > they simply didnt have a standard diode to put in.. so they used a LED
> > instead (not a good idea since it gobbles up current).
> >
> > Since it does power up and you have LED display activity, it sure sounds
> > like it's not dead yet and perhaps recoverable.. just going to take
> > time/patience to go thru it and restore it to OEM specs.
> >
> > -Blaine
> >
> >
> > --- In korgpolyex@yahoogroups.com, Tavish McDonald <tavishmcronald@>
> > wrote:
> > >
> > > Yeah this thing is definitely going to need some work, I thought getting
> > it
> > > cleaned up would be a good place to start while I find parts. I have
> > > powered it on with an adapter without Q1 somehow, I wonder if the
> > > nonfunctional headphone jack has anything to do with this transistor. I
> > > have the service manual.
> > >
> > > Yes the compartment shows signs of battery leakage.
> > >
> > > http://www.sdelectronic.rs/php/elm.php?prm=TR2SB
> > > based on this it looks like TR2SB764 is 60v 1a 10w. Is that what I need
> > to
> > > know to find a replacement or is there more to it than that? Obviously I
> > > don't know much about electronics/transistors.
> > >
> > >
> >
> >  
> >
>