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monitor LCD Samsung defect

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Buna ziua..Am un monitor LCD SAMSUNG Model 920N defect...Ledul de st-by se stinge dupa cateva secunde de functionare (sursa nu functioneaza normal)...se aprinde din nou si fenomenul se repeta....Am verificat tensiunea de 12V si cea de 5V, am constatat ca se reduc,in ritmul stingerii ledului...Banuiesc a fi sursa defecta..., sau poate un consum marit la invertoare???? :nebunrau: Am primit de la cineva o schema pe forum , dar pare ca nu corespunde....M-ar interesa o schema , daca are cineva....Poate si o parere despre acest defect...Multumesc anticipat....

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