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HP80 battery pack voltage reversed
11-04-2016, 05:45 PM (This post was last modified: 11-05-2016 10:18 PM by Jeff O..)
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Jeff O. Offline
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RE: HP80 battery pack voltage reversed
(11-03-2016 04:43 PM)PANAMATIK Wrote:  Be sure, that the two outer pins of the charge connector are connected by the small metal piece inside, when the charger is not plugged in.
Bernhard

Double check this. If the calculator has ever been opened, that piece may have fallen out. The calculator will still work when powered by the charger without this piece. If missing, a replacement can be harvested from a donor, or a new one fabricated from brass sheet.
Dave - My mind is going - I can feel it.
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RE: HP80 battery pack voltage reversed - Jeff O. - 11-04-2016 05:45 PM



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