>Tom P wrote:
>>
>> I have been cleaning a few more keyboards and I was wondering if
>> anyone else had the same experiences as I have.
>>
>> I now have 2 keyboards thats are not fully functional. When I
>> examine the upper mylar layer, Inotice that the keys that do not work
>> are all in a series, connected to _one_ trace. That can hardly be a
>> coincidence.
>>
>> I clean the trace, but to no avail. Has anyone else pegged the
>> non-functioning to the upper trace only ? Maybe its the upper trace
>> that is the only part that can fail, but I cant figure out why.
>> Maybe if I got some of the silver conductive trace material (Duotite
>> ?) I could put some down and see if it works.
>>
>
>I found that the traces on my Duo keyboard where they plug into the
>connector were worn in the center of the trace. Evidently the contact
>in the holder is thin and it wears in the middle of the trace. It
>looked good with the naked eye, but when I used my loupe, it was easily
>discirnable. I trimmed the edge of the contact and the plastic
>stiffener, by about 1/8 inch and inserted it and it worked. On my
>keyboard the control, option, command and esc keys did not work.
>
>Robert
Good tip Robert, I will give it a try.
thanks,
Mad Dog
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