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Non-working HP-67 question
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07-02-2015, 03:58 PM
Post: #2
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RE: Non-working HP-67 question
While the card reader circuitry (sense amplifier IC) can be damaged by connecting the charger to a HP-67 without a battery, the calculator itself will not be. Even for testing you should always have a good battery pack installed before connecting the charger. Do you have a good battery pack for it?
http://www.hpmuseum.org/cgi-sys/cgiwrap/...?read=9944 |
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Non-working HP-67 question - Ángel Martin - 07-02-2015, 03:15 PM
RE: Non-working HP-67 question - Steve Simpkin - 07-02-2015 03:58 PM
RE: Non-working HP-67 question - Ángel Martin - 07-03-2015, 02:54 PM
RE: Non-working HP-67 question - PANAMATIK - 07-03-2015, 05:17 PM
RE: Non-working HP-67 question - anetzer - 07-03-2015, 07:32 PM
RE: Non-working HP-67 question - PANAMATIK - 07-03-2015, 08:12 PM
RE: Non-working HP-67 question - anetzer - 07-04-2015, 06:58 AM
RE: Non-working HP-67 question - PANAMATIK - 07-04-2015, 07:24 AM
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