#21 Re: Dell XPS 9300 13” motherboard FDQ30 LA-H811P rev 1.0 works with battery only
da valieromarco • 1 gennaio 2026, 17:12
valieromarco ha scritto:Accidentally I touched a capacitor with my multimeter and now voltage on PL401 is 0VSomething is not right here. The coil PL401 belongs to the chip PU400, while the chip PU401 belongs to the coil PL403. About which chip/coil exactly you are talking about?
I swap them again and I got voltage again but 4,4V without PL401 and around of PL401 zone PCB is warm
So P401 is damaged
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