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KORG DW-8000 help

Posted: Fri Nov 06, 2020 12:44 am
by Merman
Hey guys, I was wondering if anyone could give me a hand here?

I have a Korg DW-8000 here that I got for next to nothing because it was in poor shape. It made no sound and half of the buttons didn't work. I got it to a point where nearly everything is working, except that now, every note played is the same pitch. The noise generator seems to scale up in pitch, but the oscillators seem to play what sounds like a middle C on every key. I've checked with midi and it does the same.

I've loaded the patches VIA sysex, but not tape, although I don't think that would cause this issue.

I appreciate the responses in advance! Thanks :)

Re: KORG DW-8000 help

Posted: Fri Nov 06, 2020 7:14 pm
by madtheory
The RAM in these gets corrupted and can mess everything up. Bit of a pain to deal with. Chicken and egg situation.

Can you get the service manual? Do you own an oscilloscope, a logic analyser and a multi-meter?

Re: KORG DW-8000 help

Posted: Fri Nov 06, 2020 8:15 pm
by Merman
Thanks for the reply! I only have a multimeter- no logic analyser or oscilloscope. So far everything is finally checking out in terms of continuity.
Is there anything I can do with what I have?

Re: KORG DW-8000 help

Posted: Sat Nov 07, 2020 12:04 pm
by madtheory
Tech here in Ireland John Henson figured it out and blogged it, but his website's gone :(

A similar tale here, no help to you:
https://www.gearslutz.com/board/electro ... oblem.html

Re: KORG DW-8000 help

Posted: Mon Nov 09, 2020 11:17 am
by desmond
madtheory wrote:
Sat Nov 07, 2020 12:04 pm
Tech here in Ireland John Henson figured it out and blogged it, but his website's gone :(
Wayback Machine? What was the site address?

Re: KORG DW-8000 help

Posted: Mon Nov 09, 2020 11:52 am
by madtheory
desmond wrote:
Mon Nov 09, 2020 11:17 am
madtheory wrote:
Sat Nov 07, 2020 12:04 pm
Tech here in Ireland John Henson figured it out and blogged it, but his website's gone :(
Wayback Machine? What was the site address?
http://retroactivesynth.com/korg-dw8000/
I can't find it :(

Re: KORG DW-8000 help

Posted: Mon Nov 09, 2020 1:14 pm
by desmond

Re: KORG DW-8000 help

Posted: Thu Nov 12, 2020 3:12 pm
by madtheory
Hurrah!