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jtkthx
Joined: 19 Jul 2013 Posts: 2
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Posted: Fri Jul 19, 2013 8:15 am Post subject: MS2000 BR LCD problem |
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I bought this MS2000BR on eBay, and the seller included a universal AC adapter. The thing powers on, sounds beautiful, all LED's and everything work, except the LCD displays nothing but nonsensical characters. SOMETIMES it will show the boot-up screen when it powers on but shortly after will go back to ugliness.
I have since replaced the AC adapter with a more suitable one, but of course the problem remains.
My first thought is that it's a firmware issue, but I can't even find a download for the BR. Not sure where to begin, and I'll probably end up heading to the nearest authorized Korg tech but any guidance would be greatly appreciated. |
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sohatyi Full Member
Joined: 20 Oct 2011 Posts: 208
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Posted: Fri Jul 19, 2013 12:00 pm Post subject: |
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Check the LCD ribbon cable is attached to the display properly maybe, sounds like duff data being sent to the screen, which could be a pinout issue if it's not attached properly or has worked its way loose in transit. _________________ Korg: M3M, EMX2, EMX1 (x2), ESX1, ER1, EA1, R3, MicroKorg, MicroSampler, Micro X, KP2, KP3, KPMini 1&2, KO1&2, KP Pro
Roland: SP808, MC505, Handsonic 10, Fantom X6, RC505, CG8
Emu: Command Station MP7 (x3!), Proteus 2000, Planet Earth, Virtuoso, Planet Phatt, XBoard49
Novation: UltraNova, Nova
Yamaha: RM1X, CS2X, DX11, DX Reface, YC Reface
Other: Zoom R24, Quasimidi 309, Beat Thang, Akai MPC1000 and a couple of Omnichords |
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jtkthx
Joined: 19 Jul 2013 Posts: 2
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Posted: Sat Jul 20, 2013 11:05 pm Post subject: |
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I sincerely appreciate your reply.
After opening it up I noticed some grime on the board on the side opposite the LCD. So I cleaned up the area with some isopropanol and had it working perfectly for about 30 seconds, then it started showing the wrong characters again.
So I reseated the ribbon cable and it got worse again. Then I must have shorted something out because now it won't boot up at all. It only shows a backlight on the LCD, and the two audio-in LED's (I'm assuming this is a diagnostic thing) are on for a few seconds, then off. No sound at all. |
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sohatyi Full Member
Joined: 20 Oct 2011 Posts: 208
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Posted: Mon Jul 22, 2013 8:22 am Post subject: |
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Sounds like a bad joint... The moisture temporarily bridging it. Time to get out the multimeter! (or take it to a repair-man). _________________ Korg: M3M, EMX2, EMX1 (x2), ESX1, ER1, EA1, R3, MicroKorg, MicroSampler, Micro X, KP2, KP3, KPMini 1&2, KO1&2, KP Pro
Roland: SP808, MC505, Handsonic 10, Fantom X6, RC505, CG8
Emu: Command Station MP7 (x3!), Proteus 2000, Planet Earth, Virtuoso, Planet Phatt, XBoard49
Novation: UltraNova, Nova
Yamaha: RM1X, CS2X, DX11, DX Reface, YC Reface
Other: Zoom R24, Quasimidi 309, Beat Thang, Akai MPC1000 and a couple of Omnichords |
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Edpoiloo
Joined: 18 Jun 2023 Posts: 2
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Posted: Mon Jun 19, 2023 10:03 am Post subject: I have the same problem with my ms2000r. |
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jtkthx wrote: | I sincerely appreciate your reply.
After opening it up I noticed some grime on the board on the side opposite the LCD. So I cleaned up the area with some isopropanol and had it working perfectly for about 30 seconds, then it started showing the wrong characters again.
So I reseated the ribbon cable and it got worse again. Then I must have shorted something out because now it won't boot up at all. It only shows a backlight on the LCD, and the two audio-in LED's (I'm assuming this is a diagnostic thing) are on for a few seconds, then off. No sound at all. |
Hello, my ms2000r has the same issue. Please tell me, how did you remove the ribbon cable [it’s not one of those easily removable ribbons] I fear I might worsen the problem or damage the ribbon. Please reply. Thank you |
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