Headphones still work.
Power supply still works.
When I plug in the power suply and turn the poly 800 on, No sound comes out at all. No pop, no hiss.
I tried other power supplies allready. Same problem.
I don't have a multimeter right now, will get one in the morning to test it :)
Any other ideas?
--- In korgpolyex@yahoogroups.com, Martin Ator <cyllall@...> wrote:
>
> Does the power supply still work OK?
> And your headphones?
> Do you have any test equipment multimeter etc?
>
> In foto 4 it shows connector CN9A. 2 components to the right is a diode. Check this still conducts one way but not the other.
>
> If you plug the power supply in (if it still works) and your headphones, can you hear a pop sound in your headphones when you turn the volume knob to switch the poly on, any hissing etc?
>
>
>
> ________________________________
> From: kjelle.vergauwe <bobsrampenbedrijf@...>
> To: korgpolyex@yahoogroups.com
> Sent: Saturday, 28 July 2012, 18:09
> Subject: [korgpolyex] Re: Poly 800 MK 1 Short circuit
>
>
> Â
> 2 last pictures are switched up.
>
> Haven't tried batteries yet. Don't have batteries right now, and it's saturday night over here (no way to get batteries now).
>
> --- In korgpolyex@yahoogroups.com, "kjelle.vergauwe" <bobsrampenbedrijf@> wrote:
> >
> > Yes!
> > That's exactly what happend. But the Poly 800 was turned on, and the 1/4" jack that hit the power supply tip was connected to the line-in of my laptop. The korg's display went out and I haven't been able to turn it back on. Neither with the power supply i was using, or any other.
> >
> > I took some pictures of the circuit board, but nothing seems 'burned' or wrong...
> >
> > PS I know connector CN9A is out of his socket, I did this to give a better view.
> >
> > Circuit board:
> >
> > http://dl.dropbox.com/u/7760238/poly%20800/foto%201.JPG
> >
> > http://dl.dropbox.com/u/7760238/poly%20800/foto%202.JPG
> >
> > http://dl.dropbox.com/u/7760238/poly%20800/foto%203.JPG
> > http://dl.dropbox.com/u/7760238/poly%20800/foto%204.JPG
> > http://dl.dropbox.com/u/7760238/poly%20800/foto%205.JPG
> >
> > Power supply :
> >
> > http://dl.dropbox.com/u/7760238/poly%20800/foto.JPG
> >
> >
> > --- In korgpolyex@yahoogroups.com, "bimmerfan222" <bperkins211@> wrote:
> > >
> > >
> > > OHHHHH!!!
> > >
> > > You have one of those "+" plugs on the end of your powersupply output line I bet.. and one of the "legs" of that + plug (with the different sized tip/sleeve connectors) rubbed up against your headphones plug while inserting/removing it in your headphones port/jack.
> > >
> > > Is this what happened??
> > >
> > > -Blaine
> > >
> > > --- In korgpolyex@yahoogroups.com, "kjelle.vergauwe" <bobsrampenbedrijf@> wrote:
> > > >
> > > > Hey guys,
> > > > I was working with my MK 1 this afternoon. I have this multi socket power supply ( ) and while inserting my Phones jacket, The two metal parts of the cable and the power supply hit eachother. Now the LED's don't light up and it doesn't play sound when powering up.
> > > >
> > > > Does the poly 800 have some sort of fuse or something? Is there anything I can check to see if it's been burned. I tried finding schematics, but they're so low reoslution, that I can't make anything of it.
> > > >
> > > > Can someone please send me in the right direction? :( I've only had this keyboard for a month and I'm in love with it. It can't be broken :(
> > > >
> > >
> >
>