BP>I have a Pro-43 scanner.  Some buttons on the keyboard appear to
BP>be going bad as I have to press them hard in order for the internal
BP>contact to be made.  The worst are the SCAN and LIGHT buttons, the
BP>MANUAL, "3" and "2" keys a little less troublesome, and the rest
BP>working perfectly.
BP>Today I opened up the scanner and went down to the final PC board,
BP>removing it so that I could examine the rubber keypad.  The backside
BP>of the pad appears to be clean, and I didn't see any noticeable wear.
BP>I additionally cleaned the contacts on the PC board itself with a
BP>q-tip slightly moistened with alcohol.  Upon reassembling the unit,
BP>very little improvement was noticeable.
I have a two meter ham radio handi talki (walkitalki) that has the same
problem. also I do repair work for a rent to own company and run into
the problem with tv vcr remote controls. Is the number pad one where
the keys have carbon blocks behind the numbers or letters? 8-)
Some of the Electronic parts companys supply a chemical that is painted
on the contacts on the rubber key pad to put the original conductive
layer on the carbon blocks again. I dont remember which company it is.
It may be tritronics or Fox electronics. Here is a list If you would
like to check. From what I understand It makes the contacts good as new.
Tritronics Florida 1-800-365-8030
Fox electronics    1-800-321-6993
MCM electronics    1-800-543-4330
I am going to try to find which one it is and get some myself.
My two meter ham rig when Im trying to program it will when I hit six
I get no six or two six's. And I hit seven and get no seven or two
sevens. Let me know how you turn out and I will let you know if I
find out which company it is for sure.
                                        thanks
                                        Rick KA4VHV
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