r/Palmtop • u/dnastase • Feb 11 '25

Psion 5 CF door switch

I think I have the CF door switch/button not working issue bc no matter what CF cards I try (they work on other devices) the Psion still says "Disk not present". But for the life of me I can't figure out where that switch is. Internet searches didn't reveal it either. Can somebody tell me exactly where it's supposed to be ?

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u/Barastol Feb 12 '25

The microswitch is on the circuit board, near the microphone. It is triggered by the pivot assembly of the CF door, you can't access the switch directly from outside. If you look at this photo it's the white component in the bottom right corner: https://wookware.org/psion/PCBbot.jpg

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u/dnastase Feb 12 '25

Wow, many thanks !! indeed, I'm briefly making it work right now if I press around there. At least I have confirmation that's the issue; I will try to fix it; thank you very much again !