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tv pacific sasiu 11ak30a11


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va salut! tv respectiv a venit cu urmatorl defect ; avea sunet dar fara imagine, am gasit la tranz final un crater  o lipitura la rece ,era cam arsa in jurul piului respectiv, am refacut lipitura si tv a pornit din prima, dupa ca l-am oprit la o zi am vrut sa-i dau drumul din nou ,tv pica imediat in st-by, led rosu verde da sa plece si imediat led rosu ! am verificat sursa 115v ,am verficat bara de 5v,8v totu ok, am verificat si bara de 26 de volti la fel buna ,nu stiu ce sa-i mai fac ,am dat mcr jos si tv pleaca ramane ca in imaginea de mai jos, pe placa se vede parca ar fi curs lichd candva,am schimbat si memoria, am schimbat si condensatorii pe bara b+, tv in momentul cand ai pun mcr pica imediat in std-by, deci tot ce am masurat imi da bine! nu stiu ce sa mai caut am verificat diodele din sec si primar, poate traful sa fie defect ,oare sa dea acest simptom? multumesc!

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  • 7 months later...

Acest sasiu a intrat in posesia mea....posibil de la posesor, nu de la reparator...am schimbat trafo linii, scurt intre spire pe bobina de BV. Tv functioneaza normal.

 

PS:A fost umblat in el ca in codru, din cauza unui CI de la BV - nu mai folositi pasta decapanta de pe timpuri - oxideaza in timp si are si conductie

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