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- Topic title should contain: the device's manufacturer, full model and the brief description of problem.
- Topic message should contain: the PCB marking code (required in case of hardware repairs), an extended description of problem, things you have checked/replaced/measured, your conclusions and the question. If you are not able to find the PCB marking code, please read THIS TOPIC. If you still cannot locate the PCB markings, please upload a clean, both-side photos of the mainboard - it is required to remove any films, modules or brackets possibly covering these markings.
- Before posting a new topic please read all topics in TRAININGS subforum and make a preliminary diagnostic based on the content of those trainings.
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- It is only permitted to describe one faulty device per single topic - you should always open a new topic for each subsequent device.
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Re: Asus N580VD - brak obrazu na matrycy, na HDMI jest
by Google Adsense [BOT] • 24 November 2021, 14:59
dernis wrote:OL - this is "Open line"Yes, possible.
I think there is a problem with the connection of the PCH...right??
Remove the chip U4501 from the board and remeasure the voltage drop to ground on pad 3 on the place of that chip.
If you get "OL" with both polarities of test leads, there is most likely a bad solder joint on pin W42 of PCH chip, or less likely the copper trace / PCH chip is damaged.
Reflow pomogło.. Obecnie jest problem, że laptop po wyłączeniu,.bardzo długo ma czarny ekran, jakby ME nie był czysty. ME Region jest wyczyszczonym dla pewnoaci pobrany również Bios to tej wersji z czystym ME (Od Matic)... pod mostem i jego okolicach były ślady zalaniu i kilka ścieżek "zjadło. Połączenia i elementy przelutowany.. A te w których metalizacja była w złym stanie zostały wymienione.
Re: Asus N580VD - brak obrazu na matrycy, na HDMI jest
by Google Adsense [BOT] • 1 November 2024, 15:00
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