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ELFORUM - Forumul electronistilor

problema sursa tv nei mod:at2018


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salut.ma ajuta si pe mine cineva cu o idee. am un tv nei mod:at2018 si nu-mi merge sursa in gol adica fara bo am 130v dar fara sa mi se aprinda led stand by daca pun sursa in sarcina nu mai am nimic 0v.am gasit in sursa 2traz in scurt (bc547b si bc557b)iam inlocuit dar nimic.am masurat rezis toate din sursa ok.subliniez faptul ca led stand by nu se aprinde de loc cu sau fara sarcina.Va rog un ajutor

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  • 2 months later...
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ai 130v la finalul linii, dar 5v pentru procesor ai ,sau acesti 130v pot aprinde o sarcina artificiala cum ar fi un bec de 220v/60w,daca aprinde becul pe el ar trebui sa ai 115v in situatia cind sursa functioneaza.Oricum verifica cei 5v pt procesor[scurt,intrerupt,etc]

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