• Laptop HP Probook 440 G10 DA0X8TMB8E1 rev.E identyfikacja elementu

It is currently 26 June 2025, 23:31

Laptop HP Probook 440 G10 DA0X8TMB8E1 rev.E identyfikacja elementu

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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.
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#1 Laptop HP Probook 440 G10 DA0X8TMB8E1 rev.E identyfikacja elementu

by Dzaro5 • 26 June 2025, 13:05
Witam

Proszę o identyfikację elementu na płycie głównej, prawdopodobnie przetwornica 3v lub 5v, nie ma do niej schematu ani BoardView
Oznaczenie które udało mi się odczytać to: R9GbB
Płyta co gorsza była podlana i wyczyszczona przez inny serwis, od rezystora 1RO brak jest elementu, prawdopodobnie kondensatora.
Przetwornica się grzeje po podłączeniu zasilania, na cewce nie ma zwarcia.
Będę wdzięczny za pomoc
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Re: Laptop HP Probook 440 G10 DA0X8TMB8E1 rev.E identyfikacja elementu

by Google Adsense [BOT] • 26 June 2025, 13:05

#2 Re: Laptop HP Probook 440 G10 DA0X8TMB8E1 rev.E identyfikacja elementu

by wof • 26 June 2025, 14:39
it is SY8388B3RHC https://www.silergy.com/zh/productsview/SY8388B3RHC


To check for missing components, look into schematic where SY8388B3RHC is used: like NM-C771 ...

#3 Re: Laptop HP Probook 440 G10 DA0X8TMB8E1 rev.E identyfikacja elementu

by Dzaro5 • 26 June 2025, 15:16
Dziękuję za pomoc

Re: Laptop HP Probook 440 G10 DA0X8TMB8E1 rev.E identyfikacja elementu

by Google Adsense [BOT] • 26 June 2025, 15:16
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