gelutzuu Posted December 9, 2006 Share Posted December 9, 2006 tv philips proc.tmp47c634n-2675, traf linii 37554,c.i sincro tda2579a.are urmatorul defect:cu tranzistorul linii scos si pus un bec emitor colector,tensiunea mare este de 145v iar in momentul in care pun tranzistorul linii tensiunea scade la 60v si se aude un zgomot in traful de linii iar bu508 se incalzeste. eu cred ca traful de linii e defect cu toate ca cel ce la verificat inaintea mea a zis ca traful nu are nimic. voi ce ma sfatuiti? Link to comment
Guest gil04 Posted December 10, 2006 Share Posted December 10, 2006 verifica siguranta din partea de est-vest. de la modulatorul cu diode spre bobina de est-vest si tranzistor. Link to comment
dosa Posted December 10, 2006 Share Posted December 10, 2006 verifica-macar pe frecvanta, comanda in baza finalului linii Link to comment
gelutzuu Posted December 10, 2006 Author Share Posted December 10, 2006 probleme pe partea de est-vest nu sant dar in partea de sincro da am pe pinul 10 al c.i tda2579 1,9v iar pe pinul 16 7,4v tensiune care se face din 16v din sursa.as vrea sa stiu daca tensiunea de 16v este buna sau ar trebui sa fie mai mare. mar ajuta mult o schema daca are cineva sam-i dea plz. Link to comment
NICA Posted December 10, 2006 Share Posted December 10, 2006 schimba trafo linii,e busit Link to comment
NICA Posted December 10, 2006 Share Posted December 10, 2006 schimba trafo linii,e busit Link to comment
gelutzuu Posted December 10, 2006 Author Share Posted December 10, 2006 ok l am si comandat la vitacom Link to comment
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