• Fujitsu LifeBook U747 nagrzewający się element.

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This topic is marked as ARCHIVAL. Please only reply if your message contains the solution (Terms and Conditions p. 12.1).

#1 Fujitsu LifeBook U747 nagrzewający się element.


by Milygawel 24 November 2023, 15:13
Witam . Posiadam laptopa Fujitsu LifeBook U747 model płyty CP732274-01. Laptop odpala ale bardzo wolno pracuje, na płycie nagrzewa się strasznie NCP81382 który znajduje się blisko procesora. Radiator wygląda na przegrzany, czy może to oznaczać jakieś uszkodzenie procesora ? Poniżej na zdjęciu zaznaczyłem układ który się nagrzewa.

Image

Re: Fujitsu LifeBook U747 nagrzewający się element.


by Google Adsense [BOT] 24 November 2023, 15:13

#2 Re: Fujitsu LifeBook U747 nagrzewający się element.


by matic 25 November 2023, 14:13
Hello!

Measure the voltage to ground on the coil next to this NCP chip.

Does the machine also works very slowly with another hard drive with a freshly installed OS?

#3 Re: Fujitsu LifeBook U747 nagrzewający się element.


by Milygawel 27 November 2023, 08:28
Napięcie na cewce 1,15V. Dysk wymieniałem, system instalowałem na nowo ale nie rozwiązało to problemu. Dodam tylko że układ nagrzewa się do takiego stopnia że nie jestem w stanie trzymać na nim palca.

#4 Re: Fujitsu LifeBook U747 nagrzewający się element.


by matic 27 November 2023, 09:28
Try to swap the NCP chip and the coil near it with each other.
Does the NCP chip on the same place heats up?
Image

#5 Re: Fujitsu LifeBook U747 nagrzewający się element.


by Milygawel 25 January 2024, 15:33
Niestety po wlutowaniu kupionego sprawnego układu laptop odpala ale nie daje obrazu migają już tylko trzy diody. Po wlutowaniu tego który był laptop dalej nie odpala i migają diody.

#6 Re: Fujitsu LifeBook U747 nagrzewający się element.


by matic 25 January 2024, 16:27
Measure the voltages to ground on all coils, when the machine is turned on (the LEDs are flashing).

#7 Re: Fujitsu LifeBook U747 nagrzewający się element.


by carrneiro 25 January 2024, 17:44
Możesz dać zdjęcie wlutowanego NCP?

Re: Fujitsu LifeBook U747 nagrzewający się element.


by Google Adsense [BOT] 25 January 2024, 17:44
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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