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Keyboard problem in my Plus.

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Then is fine! I already sent a mail to him!  :)

Yup... is definitely the membrane. When I put the keyboard back, sometimes does not work properly, then I move the membrane a little bit just in the area that is close to the insertion in the motherboard and it works again. However, when I release and the membrane goes back to the previous position it does not work. Maybe I could try with a little bit of that conductive silver paste... huum... another option would be to try with a pencil eraser in the silver, just in case is a layer of oxide and the track is fine.

P.D: at the end, instead of with a pencil eraser I just tried "sanding" very carefully the connectors to the motherboard with toothpaste and it did the trick, it works well now, although I am ordering a new membrane, because this is not going to last  :-X . I will try to repair this one with conductive paste, though.

I was gonna say, treat the contacts, It's not just Amstrads, lots of computers are terrible for this...

Sent from my iPhone using Tapatalk

Yup, but it did not last, as expected. I will try tomorrow with some conductive silver paint. Maybe I will be able to repair it while I wait for the replacement...  :-X

I have heard that in some weather conditions, the classic CPC connector for the membrane works better than the Plus one (cost reduction went a bit too far there it seems). So maybe replace the connectors on the motherboard with ones from a classic CPC, or a new replacement if someone has a reference?

I already fixed some similar issue by cutting 0.5mm at the end of membrane, cleaned the connector as well with a "special contact" product.


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