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LCD touch screen problem, desperately needs help!
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Mixingboard



Joined: 15 Jan 2008
Posts: 10

PostPosted: Sun May 27, 2012 12:13 am    Post subject: Reply with quote

I received the NEC touchscreen from Hong Kong and it is different than the original screen. The one from Korg has an additional piece of glass over the top along with a connector. The one I ordered will display but the touchscreen doesn't respond. A replacement screen from Korg is $800.

I found that my faders were not moving on my original touchscreen also when I physically moved them on the keyboard. I installed another hard drive from scratch using the Korg restore CD's and re-authorized it. The faders now move but my original touchscreen still does not work.

Im going to do a little more troubleshooting before I buy a replacement screen.
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Francois
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Approved Merchant


Joined: 06 May 2003
Posts: 4842
Location: Northants - UK

PostPosted: Sun May 27, 2012 1:39 pm    Post subject: Reply with quote

Cannot tell you anything about the Oasys screen, but if it's like that of the Kronos, the screen itself is separate from the touch interface. From what you report, it seems that it's the touch interface that needs replacing, not the screen itself.

You need the service manual to know for sure and order the proper replacement.
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Kronoscopie, tout sur le Kronos en français

http://www.kronoscopie.fr
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Mixingboard



Joined: 15 Jan 2008
Posts: 10

PostPosted: Thu May 31, 2012 2:02 am    Post subject: Reply with quote

Success!! For anyone who is having a non-responsive touchscreen I ordered:

the Supplier P/N: N010-0554-T347
Fujitsu
Touch Screen Resistive 10.4in

This touch screen overlays on the Oasys NEC Display with double sided tape and connects with a ribbon cable on the side. I got it for around $60 delivered from:

https://avnetexpress.avnet.com/store/em/EMController/_/A-13577567?action=part&catalogId=500201&langId=-1&storeId=500201

I ordered a backup touch screen and display that I am going to keep for spare parts. The fujitsu touchscreen is active on the side with the ribbon cable on top. You can tell because it is slightly cloudy and less smooth. Be sure and use the original black rubber spacers or new foam tape as spacers to keep the touch screen from touching the black metal frame that surrounds the display.

To recap there are 2 parts numbers on the Korg Display. The NEC TFT 10.4 display and a touchscreen which is attached with double sided tape and over layed on the NEC display. That part can be replaced with a fujitsu part number. if your display is still showing the graphics correctly and there are no cables loose you can buy the touchscreen only and replace the original Korg overlay. Don't spend $800.

Thanks goes to Emunity in the Karma Labs forums for pointing me to the fujitsu touch screen. He never followed up and said if it worked but I can attest that it does.


Last edited by Mixingboard on Thu May 31, 2012 2:16 pm; edited 2 times in total
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Mixingboard



Joined: 15 Jan 2008
Posts: 10

PostPosted: Thu May 31, 2012 2:10 am    Post subject: Reply with quote

Also if your physical fader movements are not being echoed on the display in the sequencer like mine were. Use the restore CD's and re-install the software. I did not have to reformat the hard drive, just re-install the software and update to 1.33a. It appears that none of my original sounds were erased.

Do a backup just in case before re-installing.


Now Back to jamming, I am totally stoked again on the Oasys!
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SoulBe
Senior Member


Joined: 21 Oct 2008
Posts: 499
Location: Germany

PostPosted: Thu May 31, 2012 10:55 am    Post subject: Reply with quote

Congrats, mixingboard.

I would suggest to the moderators to create a special sticky area or a special repare-section and put all infos in there, which belong to replacement and spare parts.
Users should then suggest to the moderator, which topic to put in. I think time after time more and more users will have to replace such parts and will be happy to find a compact topic

best regards
SoulBe
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t_tangent
Full Member


Joined: 03 Mar 2008
Posts: 219
Location: UK

PostPosted: Thu May 31, 2012 8:43 pm    Post subject: Reply with quote

Congrats Mixingboard, and great idea for a Repair section Soulbe
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nicos



Joined: 25 Nov 2010
Posts: 7
Location: Samos, Greece

PostPosted: Wed Feb 26, 2020 6:55 am    Post subject: Reply with quote

Another success fix !

I ordered the touch screen from MOUSER for about 67 euros and i performed the fix as you great guys detailed above.

Now the Oasys is new again and i admitt that i love more!

Time for the fix, about 2,5 hours, the most difficult part was to find the exact torx set (they lent me a friend who has a PC repair shop) to unscrew the bolds!

Thank you all !
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