I had the very same issue with mine which I got for $75.
Rather than re-write a description, please see this thread with glorious, annotated pictures:
http://www.muffwiggler.com/forum/viewtopic.php?t=45312&highlight=A good cleanup seems to be in order. TRy also to disconnect, clean and re-connect the keybed connectors.
Let me know how it goes,
Yash
--- In DW8000@yahoogroups.com, "prins_kanin" <alpemannen@...> wrote:
>
> Did you ever figure it out? Ive got the exact same problem.
>
> --- In DW8000@yahoogroups.com, "Ben Markowitz" <benmarkowitz@> wrote:
> >
> > Sounds like it's stuck in one of the test modes.
> > Sent from my Verizon Wireless BlackBerry
> >
> > -----Original Message-----
> > From: william stangeland <wksm1979@>
> > Date: Thu, 3 Jun 2010 03:38:05
> > To: <DW8000@yahoogroups.com>
> > Subject: [DW8000] dw-8000 drone problem
> >
> > just got a korg dw 8000 from ebay for a decent price. seems to be
> > fully functional except that any key depressed produces the same note
> > and the tune slider has no effect. with arpeggiator on it runs through
> > the octaves, but stays on the same note no matter which key is
> > pressed. also tried connecting my sequencer to see if it would
> > recognize different notes via midi, but it still only plays the same
> > note. finally i tried using a midi controller to the same effect, but
> > same results. is there anyone familiar with this problem who can give
> > me some pointers?