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TV NO1


spyry
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Salutare meseriasi. Am primit la reparat un tv marca NO1 cu 6 condensatori elctrolitici de la iesirea sursei explodati ,la prima vedere parea ca buba sa provina din sursa ,am decuplat finalul de linii am pus becul de 75w am pornit tv-ul si am masurat B+ care este de 105v,am considerat ca este OK asa ca m-am apucat de schimbat conzii explodati ,am refacut alimentarea liniilor si am dat start s-au auzit doua pocnituri ca si cand ar fi dat cineva cu manerul sutubelnitei in cadrul trfo linii ,am oprit tv-ul si m-am uitat la condensatori ,,culmea C561 .100Mf/160v incepse da se umfle ,ampus becul siam repornit cu liniile cuplate si ,surpriza tv-ul a pornit a aparut pe ecran pe fond albastru NO1scris cu rosu si tensiunile sunt OK ,cum am decuplat becul s-au auzit iarasi pocniturile in zona trafului linii si s-a umflat si ultimul cond de 100Mf/160v .Sasiul este THOUSDA--TH2105FPCB--031806;proc.>LC863532C;jungla>LA76810A;sursa pe tranzistori.De ce oare merge numai cu becul cuplat???? :nas: .

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