Registered: 15/08/2000
Posts: 4859
Loc: New Jersey, USA
I assume you swapped the display board with a known good one at this point, and identified that the problem is on the display board. Check the connections around the buttons - maybe something is broken there, and is flooding the input.
_________________________ Paul Grzelak 200GB with 48MB RAM, Illuminated Buttons and Digital Outputs
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