• Tuner SAT Opticum HD XS65 z problemem zasilania LNB

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Tuner SAT Opticum HD XS65 z problemem zasilania LNB

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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 Tuner SAT Opticum HD XS65 z problemem zasilania LNB

by marekprint • 4 June 2019, 10:14
Tuner SAT Opticum HD XS65
płyta GLOBO M3515_V1.01_2S2
Dwu głowicowy tuner i na obu występuje problem z zasilaniem.
Na punktach kontrolnych napięcia prawidłowe oprócz LNB1_OUT i LNB2_OUT.
Bez podpiętego konwertera jest napięcie 11,6V , z podpiętym spada do ok 7V. Konwerter na pewno sprawny.
Podejrzewam że uszkodzone są ,,tranzystory '' Q22 i Q33 o oznaczeniu SMD P3G3A. Co to za elementy?
Image

Re: Tuner SAT Opticum HD XS65 z problemem zasilania LNB

by Google Adsense [BOT] • 4 June 2019, 10:14
 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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