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Problema tv LCD


Guest antracs18

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Guest antracs18

Am un TV,monitor LCD(am pus o poza mai jos) si nu vrea sa porneasca. LCD-ul a fost al altcuiva inainte sa ajunga la mine si cred ca a fost alimentat gresit. L-am desfacut si am gasit siguranta arsa si un integrat cu 8 picioruse "impuscat" . Am inlocuit piesele defecte. Integratu asta este pe alimentare si scoate vreo 3 tensiuni, de 3,5 si 9 volti. Acum, cand vreau sa il alimentez, clipeste ledul rosu si nu mai face nimic. Are cineva vreo idee? Va multumesc.

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Salut! Integratul ala busit putea produce o reactie in lant :da .Mai multe componente pot fi arse. Nu prea se merita in ziua de azi sa repari...dar daca totusi vrei , verifica electroliticii de pe placa de alimentare...am patit si eu, erau uscati si armaturile se atingeau :da ....si mi-au busit tot monitorul de 400 LEI.... :cry: . O zi buna!

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