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ELFORUM - Forumul electronistilor
Guest holdsurub

depanare LCD funai a2004

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Guest holdsurub

Am acest televizor care dupa pornire functioneaza cinci secunde dupa care se sting neoanele,dar tensiunea de 21v care alimenteaza invertorul exista in continuare adica releul ramine cuplat.Daca te uiti cu lanterna la panel pe acesta se poate vedea imaginea.Cine poate sa-mi spuna unde este defectul.Multumesc anticipat.

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Pe invertor -tuburi clar.Trebuie verificate tuburile ,trafurile .banuiesc ca ramane comanda de on a invertorului.Ca sa fiu sigur ca alimentarea si comanda sunt ok eu probez cu sursa externa si dau eu comanda de on.Daca tot asa face ma apuc de cautarea defectului in zona.

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