Post Reply 
HP-41CX Port 1 and 3 temporarily malfunction
11-24-2020, 04:00 PM
Post: #3
RE: HP-41CX Port 1 and 3 temporarily malfunction
It is also possible that one of the screw posts for the calculator has broken internally. If that is the case, some of the connections behind the battery block may be intermittent. This can effect some but not all ports for the plug in modules.

The description of removing and reinstalling the batteries to fix the issue could have slightly moved the battery contacts, and seems to fit the hypothesis that perhaps the posts/case halves may be slight loose.

Have you tried GENTLY wiggling the case halves near the module ports with no modules or port covers installed? Be careful with testing this.

17bii | 32s | 32sii | 41c | 41cv | 41cx | 42s | 48g | 48g+ | 48gx | 50g | 30b

Find all posts by this user
Quote this message in a reply
Post Reply 


Messages In This Thread
RE: HP-41CX Port 1 and 3 temporarily malfunction - Allen - 11-24-2020 04:00 PM



User(s) browsing this thread: 1 Guest(s)