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Non-working HP-67 question
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07-03-2015, 02:54 PM
(This post was last modified: 07-03-2015 02:56 PM by Ángel Martin.)
Post: #3
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RE: Non-working HP-67 question
(07-02-2015 03:58 PM)Steve Simpkin Wrote: 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? Thank you for the pointer - right on target. My unit must have had something happened to it prior to me getting it. It's not reacting to any keystroke, the LCD is off and pretty much all is bricked. I tried it with a good battery from another unit (working) to no avail... unfortunately I also tried it without any battery pack on, so I probably made things worse  Too bad there's no repair shop around the corner, would love to get that beauty on a functional state. Çheers, ÁM "To live or die by your own sword one must first learn to wield it aptly." |
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| Messages In This Thread |
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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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