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Poly-61 Episode 1 : The Phantom DCO
StoreTags: korg, poly61, repair, synth
Author: jcd on June 18 2006 Viewed 3787 times. 7 people liked this blog. You can rate it below if you haven't already.
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My intention is to begin teaching myself a little something about synth repair, starting with this here Korg.
I bought it for $20, with the following known issues; buttons on front misfire, hangfire, or double-fire, endcaps are cosmetically damaged, a stuck note sounds continuously while unit is powered up, severe inconsistency in feel from one keyboard-key to another.
My plan of action:
Open, examine, and clean interior of synth. Clean or replace buttons as neccessary (ordering replacements from eBay as required), remove and examine all keys and related components.
The good news: The exterior of the synth is in pretty good cosmetic shape. The actual functioning of the 'guts' seems to work fine, when the gunked-up interface allows it to be accessed. With the following exception:
The bad news: The stuck note isn't being caused by a stuck key. I have found that when playing, every 6th note becomes stuck, replacing whatever tone was previously stuck. I note that the Poly-61 is reported as having 6-note polyphony. I thus conclude that one of the components is malfunctioning and must be replaced (or if possible, simply disconnected, reducing polyphony).
Wish me luck. I'll post as I go if anything interesting happens. | |
Comments
06/18/06
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celibacyclub
id say, before you fix it, make something(song/samples) with it how it is. sounds kinda interesting, could lead to some creative origianlity.
06/18/06
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jcd
That's not a bad idea.
06/18/06
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Taxis
If you could find a way to kill the sixth note altogether, and just have 5 notes of polyphony, that would probly be simpler than trying to repair it. But I am talking out of my league. I don't know much about synth repair aside from fixing a bad power plug.
Recent blogs: UBC sex study
06/18/06
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jcd
Taxis said: "If you could find a way to kill the sixth note altogether, and just have 5 notes of polyphony..."
Yeah, that seems a likely scenario.
06/28/06
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lunatinker
nice buy mr man. that's sweet
07/02/06
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license
See if you can find the synth chips inside. Then pull one out, check the contacts, put back in.
08/26/06
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monkvolcano
does it have a "hold" mode like the poly800? if so maybe that has something to do with the problem.. if not, then ignore me.
08/26/06
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Fah
i fixed my tr707's that didn't give any sound anymore, but this is way out of my mental reach
10/25/06
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soft
so, what happened with this?
any luck??
11/03/06
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license
Yes, what happened?
11/09/06
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energygiant
yes, what did happen?
01/19/07
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glazed
you read a lot of crime novels.
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