• Thinkpad T480 NM-B501 nie przełącza na 20V

It is currently 14 December 2024, 10:35

Thinkpad T480 NM-B501 nie przełącza na 20V

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#21 Re: Thinkpad T480 NM-B501 nie przełącza na 20V

by carrneiro • 9 February 2024, 10:42
Wymienione U200.
Sytuacja bez zmian.

R10372 pin 1- 3,33V

carrneiro wrote:matic napisał(a):
- Between pin 2 of capacitor C9539 and pin 1 of capacitor C9540.

155k
matic napisał(a):
- Between pin 2 of capacitor C9541 and pin 1 of capacitor C9542

180k


Mam taką płytę z uszkodzonym procesorem.
Tam rezystancje są prawie identyczne.

Re: Re: Thinkpad T480 NM-B501 nie przełącza na 20V

by Google Adsense [BOT] • 9 February 2024, 10:42

#22 Re: Thinkpad T480 NM-B501 nie przełącza na 20V

by ctro • 9 February 2024, 13:56
Płyta z uszkodzonym procesorem wskakuje na 20V?
Sprobowałbym porównać wsad oraz ciąglość połączeń SPI z ścieżkami od USB-C i ostatecznie przełożyć U207.

#23 Re: Thinkpad T480 NM-B501 nie przełącza na 20V

by carrneiro • 9 February 2024, 17:08
Tak. Od razu na testerze mam 20V 0,4A. Pod palcem czuć że APU się grzeje.
W poniedziałek przeniosę elementy i porównam.

Re: Thinkpad T480 NM-B501 nie przełącza na 20V

by Google Adsense [BOT] • 9 February 2024, 17:08
 This topic is marked as ARCHIVAL. Please only reply if your message contains the solution (Terms and Conditions p. 12.1).
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