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Tv led DYON Action 40B nu se aprinde

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Am facut rost de tv din titlu numai ca nu porneste ... Se aprinde ledul albastru si atat ... am incercat sa rescriu softul din eprom si tot asa face si cu el pe circuit si cu el scos ...

Placa baza : msdv3223-zc01-01

sursa : tv3902-zc02-01(d)

am bagat apx 5 v pe pinul de la sursa de P-on si se aprind ledurile de la display ...


Tensiunile din sursa sunt ok ...


posibila cauza ?





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