HP Forum Archive 01

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41CV Display Message #1 Posted by Ed on 16 July 1999, 1:59 p.m. I just dug my 41CV out of a box in my garage. It's ben through a few Minnesota winters out there and the display seems to have taken it on the chin pretty badly. It doesn't seem to be cracked, but all the "black" has settled over to one side of the display. Is there any hope? Can one get replacement displays or should I relegate it to the collector's case for viewing only?

Re: 41CV Display Message #2 Posted by Steve on 18 July 1999, 8:33 p.m., in response to message #1 by Ed The display has gone to meet it's maker. Your best bet is to find another working CV. I don't think replacing the display is a viable option (I may be wrong) If I am wrong, I'm sure you'll someone jump in and say so :-)

Re: 41CV Display Message #3 Posted by dave on 19 July 1999, 1:09 a.m., in response to message #2 by Steve Steve, You're wrong! actually, your suggestion is a very good one, however through email correspondence with Joe in Fla.(a few months ago) listed on the repair page, the display can be changed with a good small tip soldering gun and lots of patience. Once you de-solder the conacts at the board end of the connection and remove the small plastic piece above the display on the inside of the calc the display will "tip" out. Maybe you can find a good display somewhere and undertake the project. A calc that had batteries in it for several years stored in an upside down position usually makes for a good donor :-(

Re: 41CV Display Message #4 Posted by Dan Grelinger on 19 July 1999, 2:37 p.m., in response to message #3 by dave The top half of an HP-41CV of the correct vintage would be easy to install on the original calculator. Use the whole assembly, keyboard and all, without going to the trouble of desoldering/soldering the display. And Dave is correct, there are lots of battery leakage damaged -41's out there, you need to post to find one. Be certain the CV is from the same vintage though. There were major changes made in about 1985 with the introduction of the half-nut models, and there may be more minor changes that were made before that. If you can't find an exact replacement, then the open brain surgery may be the only way to go.

Re: 41CV Display Message #5 Posted by Ed on 20 July 1999, 11:41 a.m., in response to message #4 by Dan Grelinger Thanks guys. Guess I'll look around for a new one.

Re: 41CV Display Message #6 Posted by Steve on 20 July 1999, 7:45 p.m., in response to message #5 by Ed Don't throw away that old one. There's almost certainly people who will buy it from you. Either that or keep it yourself for parts (if you have the skill to make these types of repairs)

Re: 41CV Display Message #7 Posted by aaron goodman on 1 Aug 1999, 3:03 a.m., in response to message #6 by Steve It's possible that I have an upper half (display, keyboard) that will get your 41 up and running, and most likely at a price below what you'd pay for a working 41 at a garage sale or whatever. If you'd like, send me an email and we'll figure out what you have vintage-wise, and if I can help. best, aaron www.zianet.com/goodman

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