HP-42S - Is this internals picture normal?
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12-18-2013, 02:32 AM
(This post was last modified: 12-18-2013 02:33 AM by weenis.)
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HP-42S - Is this internals picture normal?
This forum has been a great help in researching 42s calcs and such, i've been a long time reader but finally had the need to post.
I have a Rev. A HP-42S that I purchased on that one auction site. It had an issue beeping when turned on or, and when the calculator was used. I needed a case also, so I thought if I can repair the 42s, I have 2, if I can't repair it, I have a case for my transplant. It turns out one of the connections on the memory chip was loose, so I was able to solder it and the beeping went away. All self tests pass. Now here's my question, when I was looking at the internals, it looks different than some of the pictures of other 42s calcs, like mine is missing capacitors Here's a picture- Are there supposed to be capacitors within the red boxes? |
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Messages In This Thread |
HP-42S - Is this internals picture normal? - weenis - 12-18-2013 02:32 AM
RE: HP-42S - Is this internals picture normal? - Diego Diaz - 12-18-2013, 06:16 AM
RE: HP-42S - Is this internals picture normal? - weenis - 12-19-2013, 07:08 PM
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