• Urządzenie wielofunkcyjne Brother DCP-1622WE - Uszkodzony zasilacz.

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Urządzenie wielofunkcyjne Brother DCP-1622WE - Uszkodzony zasilacz.

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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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 This topic is marked as ARCHIVAL. Please only reply if your message contains the solution (Terms and Conditions p. 12.1).

#1 Urządzenie wielofunkcyjne Brother DCP-1622WE - Uszkodzony zasilacz.

by wlodekc • 26 February 2021, 11:09
Witam.
Problem dotyczy zasilacza B512431-2. Wymieniłem diody prostownicze D101, D102 lecz po podczas uruchamiania urządzenia ponownie uległy one przepaleniu. Procedurę powtórzyłem, lecz za drugim razem odłączyłem grzałkę fusera. Tym razem diody nie uległy przepaleniu, aczkolwiek były bardzo gorące. Domyślam się, że jakiś element robi zwarcie lecz nie bardzo wiem jaki.
Za sugestie od razu z góry dziękuję. Pozdrawiam!

Re: Urządzenie wielofunkcyjne Brother DCP-1622WE - Uszkodzony zasilacz.

by Google Adsense [BOT] • 26 February 2021, 11:09

#2 Re: Urządzenie wielofunkcyjne Brother DCP-1622WE - Uszkodzony zasilacz.

by matic • 27 February 2021, 15:02
Hello!

Please, post a photos from both sides of this power supply board.
Also post a clear picture of the diodes D101, D102 board area with nearby surroundings.

Re: Urządzenie wielofunkcyjne Brother DCP-1622WE - Uszkodzony zasilacz.

by Google Adsense [BOT] • 27 February 2021, 15:02
 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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