• Acer Nitro 5 AN515-55 - LA-J891P brak reakcji na włącznik

It is currently 14 December 2024, 03:58

Acer Nitro 5 AN515-55 - LA-J891P brak reakcji na włącznik

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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.
  4. Uploading of any complete schematics, BIOS / firmware files or any other kind of documentation, or linking to 3rd party websites with such files, is STRICTLY PROHIBITED. You can only upload the small portion of documentation or, link to BIOS file on UNVERIFIED BIOS FILES subforum, which simplifies the diagnostics/repair. You are not allowed to upload more then one complete page of instruction/schematic per single topic. The file you upload must not contain any watermarks, "confidential" markings, links or email addresses and cannot be password-protected.
  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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#1 Acer Nitro 5 AN515-55 - LA-J891P brak reakcji na włącznik

by bazant82 • 5 November 2024, 17:20
Witam i proszę o pomoc w diagnozie laptopa.
Acer nitro 5 AN515-55
Płyta FH52M LA-J891P
Brak reakcji na włącznik, zasilacz srerwisowy wskazuje pomiar 0,0V
Pomiary na zasilaczu oryginalnym i serwisowym, bez ramu, bez bateri.

Rezystancja względem masy na cewkach wygląda następująco:
PL1101 - 0,6Ω
PL301 - 0,9Ω
PL501 - 16kΩ
PL1801 - 0,9Ω
PLB2 - 1,1 MΩ
PLM1 - 0,24kΩ
PLV2 - 0,08Ω
PLV3 - 0,08Ω
PLV4 - 0,08Ω
PLW1 - 69Ω
PLW2 - 69Ω
PLH1 - 46Ω
PLA1 - 17Ω
PLZ4 - 2,6Ω
PLZ3 - 2,6Ω
PLZ2 - 2,6Ω
PLZ1 - 2,6Ω
PLG1 - 5,8Ω

PJP201
PIN 3-6 0V
PIN 7 - 0,2 V
PIN 8 - 0,2 V

PRB3 - 19V

Re: Acer Nitro 5 AN515-55 - LA-J891P brak reakcji na włącznik

by Google Adsense [BOT] • 5 November 2024, 17:20

#2 Re: Acer Nitro 5 AN515-55 - LA-J891P brak reakcji na włącznik

by Vogelek23 • 5 November 2024, 18:37
Masz uszkodzony PCH - bardzo częsta usterka tego modelu.

Re: Acer Nitro 5 AN515-55 - LA-J891P brak reakcji na włącznik

by Google Adsense [BOT] • 5 November 2024, 18:37
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