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HP-21 Disassembly Help...
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03-26-2016, 07:11 PM
Post: #2
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RE: HP-21 Disassembly Help...
(03-26-2016 07:06 PM)Jeff_Kearns Wrote: I have a sticky '1' key on my HP-21, and it has gotten to the point where it needs to be cleaned/repaired. So off I go... I have the identical problem, same '1' key, also on a '21. I've peeked at opening it in the past, but feared to tread there, so I'll watch replies to your post... --Bob Prosperi |
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