• Acer A315-53, LA-E891P C5V01 Rev:2A Biały ekran

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Acer A315-53, LA-E891P C5V01 Rev:2A Biały ekran

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  1. Topic title should contain: the device's manufacturer, full model and the brief description of problem.
  2. 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.
  3. 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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  5. 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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 This topic is marked as ARCHIVAL. Please only reply if your message contains the solution (Terms and Conditions p. 12.1).

#1 Acer A315-53, LA-E891P C5V01 Rev:2A Biały ekran

by Nox2 • 7 December 2023, 14:59
Witam, laptop jak w temacie. Uszkodzeniu uległa fizycznie matryca, klapa, zawiasy. Po wymianie na nową matryce biały ekran - mleko. Podejrzenie padło na taśmę - "przepikana" ale na wszelki wypadek wymieniona na nowa i efekt ten sam.
+INVPWR_B+ obecne 19V
+LCDVDD obecne 3,29V
Na HDMI z wypiętą matrycą obraz jest prawidłowy
Proszę o ewentualne nakierowanie, co może być nie tak.
Pozdrawiam

Re: Acer A315-53, LA-E891P C5V01 Rev:2A Biały ekran

by Google Adsense [BOT] • 7 December 2023, 14:59

#2 Re: Acer A315-53, LA-E891P C5V01 Rev:2A Biały ekran

by matic • 7 December 2023, 16:03
Nox2 wrote:Po wymianie na nową matryce
Hello!
Have you tested the new matrix on another device and is it 100% functional?

#3 Re: Acer A315-53, LA-E891P C5V01 Rev:2A Biały ekran

by Nox2 • 7 December 2023, 18:27
Tak sprawdzone na kilku. W między czasie znalazłem spalony opornik RX5, który idzie od linii CPU_EDP_HPD. Od strony CPU_EDP_HPD zwarcie do masy co by sugerowało uszkodzony cpu.

Re: Acer A315-53, LA-E891P C5V01 Rev:2A Biały ekran

by Google Adsense [BOT] • 7 December 2023, 18:27
 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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