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Tv Anitech-depanare


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Este vorba de modelul CTV-DK,aparut dupa anii "90,cu alimentatorul montat separat ,plasat lateral in cutia tv.Alimentatorul este cu 3 plus 1 tranzistoare si pe bara de 114V,scoate 210V,astfel ca in citeva secunde distruge condensatorii de filtraj ,100uF/160v.Am facut masuratori la rece ale componentelor,rezistente,diode,tranzistori,am verificat condi electrolitici si n-am gasit nimic deosebit.Ce componenta determina o asa mare tensiune(tensiuni) in secundar?Va multumesc.

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Reparati sursa pe bec,puneti condi pe 350v ca sa nu-i mai bubuiti .Masuratorile ce le-ati facut la rece le refaceti cu piesele scoase din placa,inclusiv potentiometrul!!Imposibil sa nu gasiti problema!! ceva rezistente "intinse"tot trebuie sa gasiti ,sau tranzistori aiurea!!!

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