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zozi67

tv SAMSUNG CK-5081T p69sa

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Am un tv samsung ck-5081T --p69sa nu se desfasoare b .vertical 5-6cm are imagine si sonor am masurat tensiunele tda8362b sunt bune,cu exceptia pin 43 0,9volti am schimbat jungla tda8362b dar aceiasi problema ,verificat si schimbat condensatori inlocuit si ka2131 am 33v in regula,am citit si pe forum dar nu mai stiu ce se fac,am scos rezistenta 303 330ohmi si a crescut tensiunea pe pin 43 la 1,93volti.multumescAstept raspunsurile ,informatiile .Multumesc

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dupa ce am vazut schema am constatat ca tensiunea din pinul 42 se obtine din +12v(verificati acest circuit si daca este bine filtrata) ci nu din+33v.verificati si dioda si c-ul din pinul 4 cadre si tensiunea de alimentare a cadrelor.succes!

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