HP35 problem with a calculator, maybe due to a faulty charger
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03-21-2021, 04:43 PM
Post: #18
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RE: HP35 problem with a calculator, maybe due to a faulty charger
(03-21-2021 11:07 AM)teenix 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?(03-21-2021 10:19 AM)aurelio Wrote: Thank you Tony, CPU boards swapping was the first thing that came to my mind, but I also thought about the risk, however minimal, of being then with two 35 opened and, even worse, both not working... What does it mean that if I use any of the numeric keyes, the calculator turns off, while clicking on the functions the display shows numbers that vary, from time to time, with different criteria? |
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