Dell Latitude 3550 (la-b071p rev:1.0) Shut down after 30 sekundy

Slave82

Motheboard:la-bd71p rev:1.0
Posted after 3 minutes 27 seconds:
Needed scheme and some advice

Azazehl

Slave82 писал(а):

Motheboard:la-bd71p rev:1.0

Are you sure?

Tektronix

Azazehl: LA-B071P

Try LA-B072P, it's also for Latitude 3550 and should be pretty close to your board.

Azazehl

Tektronix писал(а):

Azazehl: LA-B071P

the author himself had to guess where the error was.
Well, at least the name of the topic corrected, already good.

Slave82 писал(а):

Shut down after 30 sekundy

Is there an image on the display?
Are there beeps?
maybe the problem is in the ME region?

Slave82

I only have a motheboard

Posted after 8 minutes 17 seconds:
I changed dead the resistor of 5.1 ohms
above PU501

PU 501
813H
WA3T

I can not find out which part is it, did anyone know?

Azazehl

Slave82
QFN20 3x4 ? are you use the schematics of LA-B072P ?
it's same
download and look that => https://smd.db-x7.ru/_ld/14/1409_Compal_LA-B072P.rar
PU501 => https://www.renesas.com/eu/en/www/doc/d ... l95813.pdf

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Dell Latitude 3550 (la-b071p rev:1.0) Shut down after 30 sekundy

Кто сейчас на конференции