HP Forum Archive 13

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Hp 41cx self test Message #1 Posted by Pierre Brial on 6 July 2003, 1:41 a.m. Hello, A friend give me a broken Hp41cx. With a lot of soldering I succeed to repair this mythical machine. Everything seems to work fine now, but is there a self test like in more recent HP ? All the best Pierre (Reunion Island, France)

Re: Hp 41cx self test Message #2 Posted by Ernie Malaga on 6 July 2003, 2:09 a.m., in response to message #1 by Pierre Brial To the best of my knowledge, there is no self-test. HP technicians used to use a special plug-in module that contained a test program, but those modules are very difficult to find, since supposedly they never left the hands of HP technicians (they were not sold to the public). -Ernie

Re: Hp 41cx self test Message #3 Posted by Emmanuel, France on 6 July 2003, 5:47 a.m., in response to message #1 by Pierre Brial Dear Pierre, Some modules have programs or MCode routines in order to test HP-41s: Service module was made for that. PPCROM DT program tests the display. Yours.

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