Korg Micropreset M500 problems.

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Korg Micropreset M500 problems.

Postby Europanaut » Fri Jan 03, 2014 10:06 pm

Hey folks,

I have a Micropreset that is getting cranky.

Here's the symptoms:

On certain "patches", everything is fine. On others, some stops are missing, and the two "Synthe" buttons don't work at all.

Here are the details:

Voice - All good.
Wood - only 8 and 32 work.
String - all good.
Brass - all good.
Synthe 1 - none work.
Synthe 2 - none work.

I recently took it to a tech who decided that he wanted nothing to do with it, so I'm now on my own. I have a bit of electrical knowledge and soldering skill, so maybe with some help I can fix this neat old instrument.

Thanks everyone!
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Re: Korg Micropreset M500 problems.

Postby rhino » Sat Jan 04, 2014 12:31 am

First thing I'd do is a good, careful cleaning of the switches under the pushbuttons, and the rotary sound selection knob.
When the wise man points to the stars, the fool looks at the finger.
- Confucius
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Re: Korg Micropreset M500 problems.

Postby gearfixer » Sat Jan 04, 2014 7:32 pm

I had one with similar problems and it was a bad trace. It does not help that they are not protected with a coating.
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