Cleaning keybed contacts

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neolithic
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Cleaning keybed contacts

Post by neolithic »

Hey

I know this question crops up all the time - I even answered one recently. I was sorting through some photos and found some I took when I cleaned the keybed on a Korg - it's a Fatar AFAIK - same as Nord use. I'm posting here just in case anyone find it useful.

The photos are pretty self explanatory:

Unplug the keybed (red plugs in these photos).
1 - keybed PCBs.jpg
1 - keybed PCBs.jpg (2.16 MiB) Viewed 4116 times
Remove screws and lift up PCB(s)
2 - silicone contact covers.jpg
2 - silicone contact covers.jpg (2.23 MiB) Viewed 4116 times
Remove silicone covers to reveal contacts. Clean with isopropyl alcohol (e.g. lens cleaning fluid for cameras)
3 - contacts.jpg
3 - contacts.jpg (2 MiB) Viewed 4116 times
Last edited by neolithic on 09 Apr 2015, 16:20, edited 1 time in total.
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Re: Cleaning keybed contacts

Post by Leo Castro »

Is the same keybed on my Korg Prophecy!
Nord Stage 2 - Roland Juno G - Moog MG-1 - Alesis Vortex 2 - Yamaha DX7llD
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Re: Cleaning keybed contacts

Post by neolithic »

Leo Castro wrote:Is the same keybed on my Korg Prophecy!
Ha! I'm guessing it will be familiar to many people once they open up their boards :-)
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Re: Cleaning keybed contacts

Post by Leo Castro »

korg.jpg
korg.jpg (272.87 KiB) Viewed 4085 times
very familiar...
Nord Stage 2 - Roland Juno G - Moog MG-1 - Alesis Vortex 2 - Yamaha DX7llD
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Re: Cleaning keybed contacts

Post by Marlowes »

Hej!

Like an old Roland too ...
Roland U 20
Roland U 20
Roland U20.jpg (116.22 KiB) Viewed 4075 times
/Amicalement
Michael in Scania
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Re: Cleaning keybed contacts

Post by neolithic »

Those Fatar guys are everywhere :-)
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Re: Cleaning keybed contacts

Post by Leo Castro »

Different spring system only.
Nord Stage 2 - Roland Juno G - Moog MG-1 - Alesis Vortex 2 - Yamaha DX7llD
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Re: Cleaning keybed contacts

Post by neolithic »

I hadn't noticed that - does that make it stiffer than the coil-spring system or mushier, I wonder? I could make room for another SW keyboard controller if it was (a) cheap and (b) has a nice action...
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Re: Cleaning keybed contacts

Post by Leo Castro »

That kind of spring is older, the same of DX7, SY22,etc. I like a lot the action on the DX7 mkl. I think the new spring system is easier to put/fix. The plastic holder under the keys, breaks easily too. I fixed some in my SY22 few years ago.
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Re: Cleaning keybed contacts

Post by neolithic »

I sold my DX7 (mk1) about 18 years ago - I liked the way it felt, but I'm not sure if that's real or just nostalgia :-) (I don't think i ever opened it up)
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