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From: svaldez@sdcc13.ucsd.edu (DJ Flip)
Newsgroups: sci.electronics
Subject: Tactile Keypad (of a HP 28S)
Message-ID: <18544@sdcc6.ucsd.edu>
Date: 22 Apr 91 22:01:47 GMT
Sender: news@sdcc6.ucsd.edu
Lines: 25

Last year I mortally (back then it seemed) killed my HP 28S
calculator.  But last night while cleaning out my desk drawer I had
an idea of popping it open.  After breaking a lot of internal
plastic and glue I found out that the tactile keypad had some
scaling/corrosion on the back(ground?) of the pad -- by accident
I had messed up the calculator in the first place by having the 28S
and a banana in a bag which I forgot about -- the banana got
flattenend and the key's were covered in banana.  I also noticed a
oily film on the top of the keypad...

Now, I'm about to go out and get some contact cleaner and see if
I can get this to work again, but besides that - any recommendation
for getting this HP to work again?  The circuit board is fine - I
got it to turn on...  Anyone know if I can order a replacement 
tactile keypad from HP?  

Any ideas/comments/criticisms about bananas/addresses/etc would
be appreciated

gyro@ucsd.edu


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gyro@ucsd.edu                     "DOS sucks - get a SPARCStation"