• Dell Latitude 5550, płyta 223111-1 - identyfikacja elementu

It is currently 29 November 2025, 06:30

 [SOLVED] Dell Latitude 5550, płyta 223111-1 - 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.
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#1 Dell Latitude 5550, płyta 223111-1 - identyfikacja elementu

by krisark • 27 November 2025, 15:15
Witam wszystkich,
Dell Latitude 5550, płyta 223111-1 K7W9K$JA.
Proszę o identyfikację elementu PU4501 nadruk na układzie R9FYC jest to przetwornica 3,30V.
Drugi układ to D4305 nadruk na układzie A7W.

Re: Dell Latitude 5550, płyta 223111-1 - identyfikacja elementu

by Google Adsense [BOT] • 27 November 2025, 15:15

#2 Re: Dell Latitude 5550, płyta 223111-1 - identyfikacja elementu  [SOLVED] 

by Vogelek23 • 27 November 2025, 17:42
Device marking R9xxx to układ SY8388B3RHC (QFN-16). Natomiast element o oznaczeniu A7W to dioda BAV99 (SOT23).

#3 Re: Dell Latitude 5550, płyta 223111-1 - identyfikacja elementu

by krisark • 28 November 2025, 09:32
Dziękuję za informację.

Re: Dell Latitude 5550, płyta 223111-1 - identyfikacja elementu

by Google Adsense [BOT] • 28 November 2025, 09:32
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