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TV Sony kw 29cs60k


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Salut! Am un tv sony kw 29cs60k care nu porneste. Cand il alimentez se aude cum intra tensiunea in el ( zgomotul de la bob. de demagnetizare iar ledul din fata se aprinde cand rosu cand verde dar nu porneste. Am verificat condensatorii si sunt buni. Am observat ca are doua relee, unul care cupleaza bob. de demag. si al doilea cupleaza tensiunea de intrare in puntea ce alimenteaza primarul trafo chopper. Dupa ce apas butonul de alimentare al tv, se aud releele cum cupleaza si la scurt timp, aprox, 2-3 sec, decupleaza si nu mai alimenteaza primarul chopper iar ledul din fata tv se aprinde cand verde cand rosu. Mi s-a spus ca daca las asa cam 10-15 min. porneste normal dar eu l-am lasat cam 40-45 min. si tot nu a pornit. Stie cineva ce poate fii? A mai intalnit cineva acest defect sa imi dea o sugestie??? Va multumesc!!...si astept cu nerabdare un raspuns...sau mai multe :freaza:

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