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Postagem original de: P. Castle

Título:

4 piano keys not working (seems electronic problem)

Texto:

Since a few days ago, four piano keys on my 2'5-year-old Korg B2 piano have been not working at all.

I disassembled the piano, cleaned it, and tried to replace the rubber/carbon pads of the problematic keys with other ones from another octave, but nothing changed. It seems somehow to be a problem in the circuits.

The non-working four keys are located adjacent to each other and look like they are in the same group:

[image|3184283]

[image|3184284]

I would like to highlight that I'm completely ignorant in this area of knowledge. I did check other posts with similar problems, but I don't know where to start checking in this labyrinth of circuits.

Any ideas, guys? I would much appreciate some expert eye in here and proper guidance on what to do next.

Thanks in advance! :)

Dispositivo:

Korg B2

Status:

open