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Vintage Synth Repair

Index last updated: 2026-04-28 23:41 UTC

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Re: [vintagesynthrepair] korg dw8000 output distortion

2004-08-18 by Robert Benchic

Look over the printed circuit boards for small
electrolytic capacitors that are leaking electrolyte.
You will probably find lands on the board that have
been damaged. Clean and repair both sides of the board
and replace the defective capacitors.
-Bob

--- Shayne Cafferata <scafferata@...> wrote:

> a crippled dw8000 was recently passed on to me. at
> first i thought it 
> was the key contact problem i read about, but
> further inspection 
> revealed that within the first minute or so of
> turning it on, the keys 
> do trigger and also it will trigger thru midi. the
> problem is that the 
> output sound is complete distortion and not related
> at all to the actual 
> programmed sound. i know this because every once in
> awhile i will hear 
> the real sound for a second or two. the distortion
> will carry on for a 
> couple minutes, then fade into silence. somtimes the
> distortion will 
> return thru continued playing of the keys or midi
> input, but it always 
> cuts out or fades again. if i switch it off for a
> few seconds and back 
> on, sometimes the distortion will appear again. the
> battery seems fine 
> as parameter changes are retained in memory. can
> anyone suggest what 
> these symptoms indicate and what i need to do to fix
> it? could it be a 
> faulty power supply? there is a sticker on the unit
> that says "enermax 
> power inside". is this the factory power supply for
> the dw8000 or has it 
> been replaced?
> thanks,
> shayne
> 
> 


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