I have a trusty old 33C circa 1981 that I still use at work. It has deveoped a problem with the <clear> CLx button, the CLx button feels the same as the other functioning buttons, but appears to have lost contact sensitivity. Is there a way to remove the back panel and effect some type of repair to the button contact? I understand that the buttons are over some form of "bubble" pad, and not actually a mechanical type switch. True? If so does anyone know how the this contact can be improved, or is it toast?
First things first though, I tried to remove the back cover (two scews in battery compartment -top), but the attachement at the bottom of the two panels is solid/tight and I am afraid it will just bust apart if I try to pry it open like a clam shell. Is there a special method of doing this?
I really want to keep the old 33C working. Any help or suggestions for repair to improve the button contact would be appreciated.
Darryl
B.C. Canada
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