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mihai2

samsung le23r81b

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Buna ziua ,ma intereseaza schema blocului de alimentare de la tv lcd samsung le23r81b.Multumesc,cu stima,Mihai

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Buna ziua,revin la samsung,desi schema e f.simpla nu reusesc sa pornesc sursa auxiliara cu viper12a;am gasit tl431cu catodul corodat de masticul cu care era acoperit,rezistenta de 100k de la snuber intrerupta,am inlocuit viper12a,tl431,optocuplorul si nu porneste;cred ca fac o greseala sistematica;vreo idee?Multumesc,Mihai

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