HP35 problem with a calculator, maybe due to a faulty charger
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03-24-2021, 08:55 PM
(This post was last modified: 03-24-2021 08:57 PM by aurelio.)
Post: #22
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RE: HP35 problem with a calculator, maybe due to a faulty charger
(03-21-2021 06:52 PM)teenix Wrote:Thank-you Tony and thank- you Harald and congratulations for the HP Classic upgrade kit - Multi Emulator project .......I missed it when it was published, a few years ago(03-21-2021 04:43 PM)aurelio Wrote: Well, if the voltage on test point is the one expected it means maybe that the PSU works properly, so what would be the next step in the troubleshooting? I'll follow your advices and meanwhile I'm "playing" with the faulty board with the presumption of understanding something more. Yes maybe when i press a digit key "the display is turned off [....] it is possible the code is still running but in a dodgy loop that makes the calculator look dead.", I checked the test points and found alll the values of the calculator "on" and this maybe is a confirm that there's not been a power reset... |
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