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Mesaj Scris de mariantoader82 Sam 11 Feb 2012 - 14:09

Salut,sursa de la acest televizor oscileaza de cca 80 pulsatii pe minut mai precis ledul de stand bay pilpiie tot de atitea ori .Tensiunea B+ este 0 diodele si condensatorii din secundarul sursei buni ,cei 2 cond electrolitici din primar au fost schimbati,CI 44608P40 si tranzistorul P4NK602 tot din sursa au fost schimbati ,tensiunea la pin 1 procesor ST92195C781 4.3V si oscileaza .La butoane nu raspunde la nici o comanda.Rog frumos ajutor.

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Mesaj Scris de Bughiu Sam 11 Feb 2012 - 18:06

....dar in secundar ?? nimic verificat?!?1

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Mesaj Scris de mariantoader82 Dum 12 Feb 2012 - 10:32

Diodele si condensatorii din secundar buni am pus bec pe bara de B+ si tensiunea aste zero .

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Mesaj Scris de Bughiu Dum 12 Feb 2012 - 18:37

Atunci nu va merge sursa!! Primarul sursei nu oscileaza!!

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