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HP-67 - 1612A03018 - Card Reader Advice Requested (was HP-67 - strange behavior)
09-17-2019, 09:35 PM
Post: #10
RE: HP-67 - strange behavior - any advice appreciated
we re-worked all the logic board,
de-soldered all of the ICs, found little oxydation left from the previous cleaning procedure,
removed that as well, but once we have re-soldered all of the components the behaviour
remains exactly the same.
We have few working units, how can we compare a working unit with this - step by step -
to find out what's wrong with this logic board ?
Remember that when we receid the unit it was working (basic operation)
Thanks again !!!


Edoardo & Alberto
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RE: HP-67 - strange behavior - any advice appreciated - albertofenini - 09-17-2019 09:35 PM

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