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  • Asus p2520l nie uruchamia się

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  1. Topic title should contain: the machine's manufacturer, full model and short description of failure.
  2. Topic message should contain: a PCB marking code (in case of hardware repairs), extended description of failure, what was checked/replaced/measured + conclusions and, the question. If you can't find a PCB marking code, you should read THIS TOPIC. If you still can't find a PCB markings, please put a clean, both-side, photos of the mainboard - it is required to remove any films and modules which possibly could cover these markings.
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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 Asus p2520l nie uruchamia się


by marcin223344 18 January 2019, 15:53
Asus p2520la
cpu i7 5500u
płyta główna P552LA_LJ bez grafiki dedykowanej
charger bq725
kbc it8585e

Brak reakcji na power button ,po podłączeniu zasilacza serwisowego płyta pobieta 0.074amp
wyraznie ciepły robi się układ poniżej
Image

pomiary z cewek płyta jest nieopisana nazwy cewek z boardview

PL 8100- 3.4 KOHM 0V (CEWKA 3.3V)
PL 8101- 15 KOHM 0V (CEWKA 5V)
PL 8301- 400 OHM 0V (CEWKA PRZY RAM)
PL 8000- 111OHM 0V (CEWKA PRZY CPU)
PL 8200- 1.1KOHM 0V
PL8801 - 5.4MOHM 3,1V (CEWKA NAJBLIŻEJ CHAGERA)

Proszę o pomoc w dalszej diagnostyce.

Re: Asus p2520l nie uruchamia się


by Google Adsense [BOT] 18 January 2019, 15:53

#2 Re: Asus p2520l nie uruchamia się


by matic 18 January 2019, 15:57
Hello!

Measure the resistances to ground on pins 3, 13 of the chip on your picture.

#3 Re: Asus p2520l nie uruchamia się


by marcin223344 18 January 2019, 16:28
pin 3 in Mohm
pin 13 in Mohm

#4 Re: Asus p2520l nie uruchamia się


by matic 18 January 2019, 16:46
Measure the voltages to ground on pins 3, 13 of that chip.

#6 Re: Asus p2520l nie uruchamia się


by matic 18 January 2019, 21:24
marcin223344 wrote:PIN 3 - 3,1 V
PIN 13- 0V
also similar thread asus-pro-p2520l-brak-rekacji-t53270.html

on my board kbc pin 50 = 2.6ohm ???
bad kbc?

Yes, it seems the KBC chip is bad.
To be 100% sure you can perform a short circuit test described here.

Re: Asus p2520l nie uruchamia się


by Google Adsense [BOT] 18 January 2019, 21:24
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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