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HP 97 latest PCB with blown capacitor : Alive !
02-08-2021, 03:41 PM (This post was last modified: 02-08-2021 03:43 PM by Chr Yoko.)
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Chr Yoko Offline
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RE: HP 97 latest PCB : Revived on new cells and display !
I need to celebrate its new Battery Pack (based on NiMh cells) and a new 100% working display thanks to a generous donor from that forum that turned out to be leaving just 3km away... Thanks very much to him !

[Image: 20210206-164920.jpg]

Last remaining point is to fix the magnetic card reader that i had to disconnect because of a strong noise on power-up. But as i do not really need it, it is ok for me ;-)

This 97 is my everyday calculator @ home office, next to my PC. LED display is great under early morning and evening low lights.
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RE: HP 97 latest PCB : Revived on new cells and display ! - Chr Yoko - 02-08-2021 03:41 PM



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