Hello and asking for help with HP 67 power unit

[teenix]

(11-23-2021 05:28 PM)Tapti Wrote:  PS: I know the problem of running the maschine from the wall plug only. So I never did. Question of coarse is, whether somebody else did that already. BTW I seriously doubt that doing so will hurt the maschine as long as one keeps the card reader off the game.

Its more likely that the ACT chip will go faulty. This is the main CPU of the calculator, so if it fails, the rest won't work. If it partially fails, the calculator may work for a bit, then fail, then work for a bit etc etc.

cheers

Tony