HP Forum Archive 11

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Misc. Repairs -- SHARP Message #1 Posted by Paul Brogger on 24 Mar 2003, 11:30 a.m. I just found a SHARP EL-5020 scientific "programmable" (though how, I've no idea) at the Goodwill for $0.99 . Upon cursory check-out, most everything worked but the "8" and "9" keys. (?!?!) (Curiously, but even though they didn't register, the LCD display dimmed slightly as I pressed them.) Also, the memories weren't "continuous", like I expected them to be. I took the case apart, and found the keyboard assembly is held together by heat stakes. While accepting that I probably had to take that apart, I noticed the pad for the tiny "Reset" button that's hidden on the back case. I put it together, pressed "Reset", and voila! Full functionality restored! Repair Lesson 1a: Try the Reset button, first. Also, the vinyl hinge holding the calculator to its little vinyl "wallet" is cracking -- I suppose I might try vinyl cement (as is provided with swimming pool repair kits), but I'll accept other recommendations, should some of you have any . . .

Re: Misc. Repairs -- SHARP Message #2 Posted by Ex-PPC member on 24 Mar 2003, 12:07 p.m., in response to message #1 by Paul Brogger Have a look at regular contributor Viktor Toth's page on this Sharp model, which includes a lot of info, some comments, and a small program: http://www.rskey.org/el5020.htm

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