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Screen surround on my pa3x gone sticky??!!

 
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rikkisbears
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Joined: 15 Oct 2007
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Location: NSW , Australia

PostPosted: Mon Apr 09, 2018 5:44 am    Post subject: Screen surround on my pa3x gone sticky??!! Reply with quote

Hi guys,
Sorry for posting here, but I figure a lot of you might have owned pa3x prior to becoming Pa4x owners.

Has anyone ever heard of this happening.

I was planning on selling my Pa3x, just got home from vacation, was getting my listing ready for eBay.
Ready to do a final check on my pa3x, pressed the buttons next to to the screen, and the surround felt sticky and tacky, enough for it to actually slightly mark the plastic when I wiped it with a damp cloth. Also the plastic surround for the ribbon controller .

Has anyone ever had anything like this happen. Needless to say, it’s put a dampener on my trying to sell.

With all the keyboards I’ve had over the last 30 + years, this is a first for me.
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Reuben
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Location: Sydney, Australia

PostPosted: Mon Apr 09, 2018 6:24 am    Post subject: Reply with quote

This was mentioned by someone on the Pa3x section back in January and has happened to me as well. The only part I really need to touch is the strip near the ribbon controller so I put some tape there so it doesn't bother me.
http://www.korgforums.com/forum/phpBB2/viewtopic.php?t=113412
Interesting that we are both in Australia. Might have something to do with heat and humidity - after all the tar on our roads has a habit of melting in summer!
Or maybe it only happens in the Southern hemisphere (Looking at the above post).
I have a torch (US translation flashlight) I bought from Aldi that has done this as well.
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rikkisbears
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Location: NSW , Australia

PostPosted: Mon Apr 09, 2018 9:20 am    Post subject: Reply with quote

Hi Reuben,
Thank you for the reply and link. Really weird isn’t it. Have to wonder if it may have something to do with humidity. I’m sure it wasn’t like that before I went on holidays.

Doesn’t really bother me except that I’d been hoping to sell it. Oh well.

Thanks again.
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Gunnar J



Joined: 06 Mar 2016
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Location: Norway

PostPosted: Mon Apr 09, 2018 11:38 am    Post subject: Reply with quote

Just a long shot, but since this is experienced by more than one, maybe Korg know about it, and have a solution?
It may be it's caused by faulty production, i.e. a batch have got wrong mix in the 'plastic fantastic' Question
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kbrkr
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PostPosted: Mon Apr 09, 2018 12:07 pm    Post subject: Reply with quote

I haven't checked my Pa4x and I've never owned a Pa3x, but here in Central Florida, anything that is a certain type of plastic tends to get sticky. I've had Mic Stands, TV Remotes, etc etc turn sticky.

The only way I have found to eliminate the "stickiness" is to use Talcum powder or baking soda. However, this will tend to whiten whatever you sprinkle it on. Others have suggested using Isopropol Alcohol. I haven't really tried any other type of solution, so if you find something that works let me know.
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Last edited by kbrkr on Mon Apr 09, 2018 12:15 pm; edited 1 time in total
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rikkisbears
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PostPosted: Mon Apr 09, 2018 12:12 pm    Post subject: Reply with quote

double post
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Rikki

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Last edited by rikkisbears on Mon Jun 17, 2019 4:13 am; edited 1 time in total
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rikkisbears
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Location: NSW , Australia

PostPosted: Mon Apr 09, 2018 12:12 pm    Post subject: Reply with quote

Hi Jonny, interesting thought. Lived in my home for 14 years, had more than half a dozen keyboards ( incl. 3 korgs) during this period. All have only been used in the home, so they have all been exposed to the same temperatures etc. Does seem pretty odd that none of the others have had this problem.
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steve m
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Location: AUSTRALIA

PostPosted: Mon Jun 17, 2019 3:21 am    Post subject: Sticky LCD display surround Reply with quote

Hi All

Has anybody managed to find a solution to the sticky rubber/plastic surround on the PA4X LCD display ? Mine has lived in a dark, clean room with no extreme temperatures all it's life and the rubber surround is really sticky - almost wet its that sticky. Cleaning it doesn't help. I used to own an Oasys that had the same problem with fader knobs.
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rikkisbears
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PostPosted: Mon Jun 17, 2019 4:11 am    Post subject: Reply with quote

Hi Steve,
Me, no. I mentioned to my salesman, said he’d never heard of it, also mentioned it to korg, seemed surprised too.

Strangely enough it also happened to an external sound card of mine, at the time it had been stored in a box in a cupboard with some other bits and pieces, I thought I’d spilt something on it, wasn’t till it happened to the korg , that I realzed it wasn’t the case.

It happened to my pa3x, yours is a Pa4x?
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Reuben
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PostPosted: Mon Jun 17, 2019 4:39 am    Post subject: Reply with quote

I fixed the area around the joystick on my 3x by rubbing a rag with methylated spirits (Australian and UK term) or denatured alcolol (USA) and it removed the stickiness after a couple of minutes. It is like new now.
Just be a bit careful around printed text areas.
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Giner
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PostPosted: Mon Jun 17, 2019 4:34 pm    Post subject: Reply with quote

I'm tempted to think the problem is humidity related - most of the posts are from Australia and Florida. Then again, there's no one chiming in from other humid areas of the world.

Have to say that I've never heard of this here in Alberta with our generally cool, very low humidity climate. Mind you, that brings its own set of problems like schlepping gear in and out of gigs slipsliding around on ice. Worst was my Pa3x's screen freezing up with the image barely showing. Took 30 minutes of warm towels on it to resurrect it. Smile

Sorry, I digressed. Smile
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rikkisbears
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PostPosted: Tue Jun 18, 2019 12:21 am    Post subject: Reply with quote

Hi, where I lived, we did have a lot of humidity. I was away during the time it happened, and it was late summer, so could have been very humid.

Didn’t affect my Pa4x or my psr. Though.

Might try the metho.
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Biggles
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PostPosted: Tue Jun 18, 2019 9:11 am    Post subject: Reply with quote

It sounds as though it is the result of a chemical reaction between the surround, contaminants on the surround and residues on the cleaning cloth.

Reuben’s post seems to indicate that this was the case as his use of Meths (Denat Alch) has neutralised the iuuse.
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