Discussion about the Korg PolySix synthesizer

What about Caig Deoxit? would that work? it works perfectly for my crackly pots. I just used the trusty eraser on the contacts method. it works ok, but they usually go bad after a few weeks/months of sitting dormant.

============================================ 
Arturo Brisindi

my dad vs yours 
www.mydadvsyours.com 

the gallery recording studio 
ottawa ontario 
www.myspace.com/galleryrecording



> To: PolySix@yahoogroups.com
> From: andy@networkjabber.com
> Date: Thu, 4 Jun 2009 17:55:15 +0100
> Subject: RE: [PolySix] key contacts
> 
> Hi,
> 
>  
> 
> There are a couple of things I have noticed which improves the longevity of
> a Polysix key contacts repair, without going to the lengths of covering
> everything in silver foil.
> 
>  
> 
> 1.       Make sure the gold contacts on the base PCB are clean and free from
> any of the lacquer which was used in the factory to treat the green side of
> the board. I have found that sometimes after handling this can get onto the
> contacts and cause problems.
> 
> 2.       When you clean the black carbon contacts on the rubber pads make
> sure the finish on them is mat black with no 'imprint' of the tracks which
> they touch when depressed.
> 
> 3.       I always use the following solvent which has very good electrical
> properties creates a good anti-oxidizing seal: Mykal DSI5000CCP.
> http://www.mykal.co.uk/pages/electrical_cleaning_contact_cleaner_protector.h
> tm. I am assuming they sell this or something similar in the US.
> 
>  
> 
> Being meticulous when servicing the keyboard is the most important thing!
> 
>  
> 
> Cheers,
> Andy
> 
>  
> 
>  
> 
> From: PolySix@yahoogroups.com [mailto:PolySix@yahoogroups.com] On Behalf Of
> wasteking1
> Sent: 04 June 2009 12:05
> To: PolySix@yahoogroups.com
> Subject: [PolySix] key contacts
> 
>  
> 
> 
> 
> 
> 
> 
> i have cleaned the key contacts on my polysix probably 4 or 5 times even
> using diffrent solvents at times. I always get everything back and
> everything is fine , then after some storage time some keys stop again ...i
> can get them back by fast repeated pressing and then they work fine for the
> playing session, but some of the contacts loose it over storage again. I
> wonder id the problem is NOT in the cleaning , but something else. How can
> they get so dirty so fast? Can they oxidize overnight? or is the problem one
> of alignment of the disks or the stiffenning of the rubber contact holder?
> this is frustrating and just doecnt make sense as a cleaning issue.. the
> principle is very basic, 2 conductive pieces touch ---and they DO WORK, just
> sluggish to respond. 
> 
> 
> 
> 
> 
> [Non-text portions of this message have been removed]
> 
> 
> 
> ------------------------------------
> 
> PolySix "Digiest" Page: http://www.acc.umu.se/~amber/Poly6Yahoo! Groups Links
> 
> 
> 

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