Guest morosanu22 Posted June 15, 2014 Share Posted June 15, 2014 Buna seara . Am un tv Daewoo 21T5T la care se aude un clickait in continuu cand il bag in priza si nu se aprinde ledul de stby. Sa fie probleme la sursa? Quote Link to comment Share on other sites More sharing options...
Florinel TV Posted June 15, 2014 Share Posted June 15, 2014 scoate final linii posibil in scurt si pune bec c.e si vezi daca merge sursa Quote Link to comment Share on other sites More sharing options...
tepeleacatalin Posted June 16, 2014 Share Posted June 16, 2014 daca se aude acel sunet sursa functioneaza....verifica condensatorul pus pe emitor colector tranzistorul final sa nu fie in scurt sau intrerupt....verifica tranzistorul final sa nu fie defect....defectarea cond respectiv duce la defectarea tranzistorului final....posibil traful care genereaza inalta sa fie de asemenea dus....suntetul respectiv apare cand pe bara de 115...120 volti apare un scurt pe care sursa il detecteaza si intra in protectie.. spor si bafta Quote Link to comment Share on other sites More sharing options...
Guest morosanu22 Posted June 16, 2014 Share Posted June 16, 2014 (edited) Am dat jos q401 si c410, q401 este in scurt si la condesator nu imi arata nimic , deci intrerupt nu ? Am incercat sa pornesc tv fara q401 si c410 ,se aprinde ledul de stby pt scurt timp dupa care se stinge , si nu mai am acel tacait in sursa. Cum as putea verifica sursa sa vad daca e ok? sa leg un bec de 220v 100w la B+ si la GND ? Multumesc Edited June 16, 2014 by morosanu22 Quote Link to comment Share on other sites More sharing options...
laur_12 Posted June 16, 2014 Share Posted June 16, 2014 (edited) aveti sanse mari ca trafo linii sa descarce tipic pentru aceste tv-uri asta duce la disrugerea BU ..linii Edited June 16, 2014 by laur_12 Quote Link to comment Share on other sites More sharing options...
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