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splinters Senior Member
Joined: 14 May 2011 Posts: 312
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Posted: Thu Jul 12, 2018 2:05 pm Post subject: Korg DS8 workaround or fix |
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I recently acquired a sorry looking DS8 which I have restored to its former glory (as much as you can for a 32 year old synth). I stripped it down, cleaned everything and the only part not working is the Up/Yes button. I suspect it’s the micro switch but no idea why as every other switch works perfectly. I would rather not get the soldering iron out and can navigate everything except saving a patch or combi which asks if you are sure. As I can’t press Yes I can’t save rendering it pretty useless.
Is there any other way of saving or, failing that, anyone know where I can get a new microswitch? _________________ Korg Grandstage 73, Korg Keystage 61, Ipad Pro M2 with Korg iMS-20, Gadget, Module Pro, Polysix apps. Mac Mini M1 with Logic Pro X and Korg classic keys. |
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splinters Senior Member
Joined: 14 May 2011 Posts: 312
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Posted: Thu Jul 12, 2018 2:47 pm Post subject: |
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Just noticed a UK repair store selling all the control boards (untested) for £10 delivered. At worst I could get a few switches off those presuming the boards don’t work perfectly fine. Plan B, is there any way of writing patches without the Yes button? _________________ Korg Grandstage 73, Korg Keystage 61, Ipad Pro M2 with Korg iMS-20, Gadget, Module Pro, Polysix apps. Mac Mini M1 with Logic Pro X and Korg classic keys. |
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voip Platinum Member
Joined: 27 Nov 2014 Posts: 3792
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Posted: Thu Jul 12, 2018 9:38 pm Post subject: |
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If only one button fails to work, the chances are the switch contacts of that button are not connecting properly. It could be dirt on the contacts, or a broken contact. Either way, switch replacement is the way to go. There are 33 of them in the DS8, and another board could be used as a donor. Alternatively, Mouser sell them - search for Mouser part: 688-SKHHAJ.
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splinters Senior Member
Joined: 14 May 2011 Posts: 312
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Posted: Thu Jul 12, 2018 10:03 pm Post subject: |
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I ordered the boards but thanks for the tip. _________________ Korg Grandstage 73, Korg Keystage 61, Ipad Pro M2 with Korg iMS-20, Gadget, Module Pro, Polysix apps. Mac Mini M1 with Logic Pro X and Korg classic keys. |
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splinters Senior Member
Joined: 14 May 2011 Posts: 312
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Posted: Sat Jul 14, 2018 1:46 pm Post subject: |
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Well, boards came and for some reason the supplier decided to offload all their remaining DS8 stock so I got a main board, three control boards, the card reader and a spare LCD.
Popped the control boards in and everything works perfectly. Next job will be to fit a battery holder and a new battery so it has a bit more life expectancy.
Thanks for the top on the microswitch, may get one and repair the removed board so I have a spare. _________________ Korg Grandstage 73, Korg Keystage 61, Ipad Pro M2 with Korg iMS-20, Gadget, Module Pro, Polysix apps. Mac Mini M1 with Logic Pro X and Korg classic keys. |
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