Re: 41CV keyboard cleaning Message #2 Posted by Randy on 6 Nov 2004, 8:06 p.m., in response to message #1 by andy
If it's a single key, it's dirt since the keyboard is row/column multiplexed.
Don't immerse the display, it's just not a good idea. Unsolder first and set aside. Ultrasonically clean the keyboard in distilled water if possible, that should solve the problem. If that's not an option, try a few drops of Caig DeoxIT D5 in the hole of the pcb for the key in question.
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