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TV LCD SCHNEIDER SCREENLAND 32M931

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Salutare tututor. Am un LCD SCHNEIDER SCREENLAND 32M931 , TYPE TFT/LCD 32`` S5-LT-32S5LFH Alimentat la retea ledul rosu se alimenteaza , apoi cand apas un buton de programe devine verde , dar nu afiseaza nici o imagine. Am gasit in invertor un smd cu 3 pini YC 632 , cu o gaura in el. Din masuratoarea unuia identic am dedus ca ar fi un tranzistor npn. Tensiunile sunt prezente , pe condensatorii din invertor am 23v . Am inlocuit acel tranzistor cu un BD139 . Poate am facut o prostie , dar daca are cineva o idee despre urmatorul pas , sau o schema sa vad de unde vine comanda acelui tranzistor .. Cu respect , Nelutu

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Mai mult ca sigur ca nu e un NPN cu atit mai mult BD-uri. In invertoare se folosesc ori FET-uri ori CI. Dar ca sa ne pute da seama de ce e acolo posteaza si tu producatorul si modelul panelului, a invertorului si eventual o poza. Memoria vizuala e intotdeauna mai buna si multi de pe forum poate au mai intilnit invertorul respectiv.

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Dati modelul invertorului ,sau macar ce fel de controler are in el....!!

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