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samsung LE40S81BX XEC restarteaza


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Buna ziua!acest lcd porneste dar dupa ce afiseaza un program se inchide ,apoi se reia ciclul.

sasiu BN41-00878A, am rescris 24c256  dar nici o schimbare,am decuplat tastatura dar nici asa.

Am vazut ca mai are un nand,dar nu am dump.poate fi placa de baza ,pentru ca sursa e ok .

astept orice idee,va multumesc!

 P.S Acuma dupa 5 minute face urmatoarea imagine si ramane asa inghetat.

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Ori condensatori uscati, ori scalerul BGA de linga mufa lvds cu probleme, incinge bine toti condensatori(si cei 3 din cutia de tabla) cu uscatorul de par(70 grade)si vezi ce zice, la fel si la scaler incalzit cu suflanta 150 grade/1 min, apoi daca e cazul reflow.

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