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Joined: Nov 2021
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Hello! I just got a Suzuki HP-275e digital piano. Having some trouble with about 1/4 of the keys.

Some of the keys, mostly on the right hand side, will just produce a very quick note with absolutly zero sustain or fade out. It's random keys, not whole sections attached to the same board.

I tried cleaning the membranes with alcohol, which did not help and actually has made some of the keys produce no sound at all now. The carbon pads don't appear to be worn down, but I did try adding some conductive nickel ink and it didn't make any difference.

Anyone know what might be the issue? I'm very confident it's the membrane, but finding help online about how to repair worn membrane buttons isn't producing much.

Thanks for any help!

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From what I saw, the rubber membrane is made for 6 to 12 keys, so you could exchange the upper membranes with the lower-key membranes of the keyboard and if the problem follows the membranes then you know the membrane is broken. If you can, upload a picture of the disassemble piano.



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Thanks! I did do that already, switching some of the membranes with each other and I got working keys where there weren't before.

Any ideas on how to fix the membrane since there's nowhere to buy replacements?

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No, I don't know, my only idea is that the graphite on the rubber is worn out.

I have an idea, if you have an ohm meter. You can try to measure the resistance of the rubber pad and see if there is a difference between the good pad and the bad one.

Last edited by Serge88; 11/25/21 07:38 PM.


“To send light into the darkness of men’s hearts - such is the duty of the artist.”
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