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Mivar 14c5v


catalin004

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  • catalin004

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am o problema la acest tv....in st-by tensiuni corecte (24=21V), 9V in stby, 110=110....la pornire se aude un brum urat in difuzor, liniile pleaca, B+scade la 60v, dupa 3-4 secunde se opreste....rog ajutor, condensatorii din sursa verificati pe ESR

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pe care ...pe celelalte...am pus bec de 100 dar imi dadea sursa afara....de 60 nu am....stiu ca pe cea de 11V am 420mA...am pus sursa separat.....

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ce ziceti sa schimb integratul din sursa?in st by tensiuni corecte...cand intra in sarcina moare ...dupa 2 secunde....chopperul este ok...am pornit tv cu alta sursa auxiliara si merge

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condensatorii sursa au fost pusi noi..si verificati,,,am incercat pornire fara deflexie si nimic...se aude brumul mai mic.....dar tot se opreste....am alimentat doar bara b+ cu alta sursa....si tv a pornit normal fara brum sau alte suspectestima

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