|Re: HP 11C 'pr error' message: a small suggestion|
Message #4 Posted by Vieira, Luiz C. (Brazil) on 6 Jan 2006, 11:19 p.m.,
in response to message #3 by Randy
Hi Randy, Marc, guys;
what about removing the batteries, wait for, say, ten to twenty seconds, then placing them back to the compartment; or simply slightly pushing them away from each other while inside their compartment for just a few seconds.
If the calculator shows 'Pr Error' in these circumstances, then I think that a bad capacitor (or a bad contact with the capacitor terminals) is the best guess. Provided no key is pressed when without batteries, the Voyagers might retain RAM contents for some time, even more than an hour or close to this. In this case, depending on which internal construction it has, resoldering or even replacing the capacitor will not be that hard.
If the calculator passes [ON]/[+] or [ON]/[*] self tests without problems, then I'd guess internals are fine.
Just a suggestion of mine.
Hope you succeed!
Edited: 6 Jan 2006, 11:20 p.m.