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defect tv nei model 2044 txs


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Salut la toata lumea.Am primit acest tv cu cursa inversa[adica alb cu liniute,fara puricei]am schimbat toti condesatori din zona lui TDA3653B dar tot persista,am scos din circuit un pin al rezistentei r400=1k din pinul 7 tda3653 si are rastru normal cu puricei,ce defect poate fi,daca montez pinul la loc al rezistentei revine iar cu defectul zis cursa inversa,un ajutor.

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Revin cu acest tvcu alta problema,lam pus pe masa de operatie sai dau drumul a pornit tot cu cursa inversa,5 secunde si sa auzit un poc in zona ciuperci de pe tub,si sa stins de tot,am vrut sai dau iar drumul dar este mort,nu tu led rosu,nimic mort,siguranta buna final sursa bun,pe c-ul 400v/150uf nu am nicio tensiune,ce defect poate fi.

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