26 Dec
2008
26 Dec
'08
6:01 p.m.
On Fri, 26 Dec 2008, Michael B. Brutman wrote:
The question now is about the conductive pad.
Cleaning with rubbing alcohol
has not helped anything. Is there anything besides pencil graphite that will
work to lower the resistance? I'm looking for something that will last a
while, and your concerns about the pencil graphite have me concerned too.
I'm not going to desolder and repair every keyswitch so I won't be able to
move dodgy ones to the keypad to avoid using them. I'd rather take a little
more time and find a better solution ..
The PT210 uses identical keyswitches. I rehabbed those by painting
the undersides of the rubber domes with conductive ink -- the same stuff
sold for repairing PCB traces.
--
David Griffith
dgriffi at cs.csubak.edu
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