lefter Posted July 20, 2009 Share Posted July 20, 2009 tv philips sasiu te1.1e su pt92p cu tda9351ps/n2 sata in stemby si are u1=143v cind incerci sa-l pornesti ridica pentru citeva secunde fit dupa care intrerupe si mtrece in stemby ,atunci cind da sa porneasca tensiunea u1scade undeva in jur de 72v asta se intimpla pentru fractiune de secunda Link to comment
maresmircea57 Posted July 20, 2009 Share Posted July 20, 2009 Dati jos finalul linii si puneti un bec.Masurati U1. Vedeti daca tensiunea este buna, si finalul asemenea. Link to comment
lefter Posted July 20, 2009 Author Share Posted July 20, 2009 am pus insa pe forum alti spun ca tensiunea daca pui becu este 0 la fel si la mine, finalu linii este un 808dfi l-am masurat si e bun Link to comment
maresmircea57 Posted July 20, 2009 Share Posted July 20, 2009 Porniti sursa si dupa 2-3s puneti becul. Link to comment
lefter Posted July 20, 2009 Author Share Posted July 20, 2009 am incercat si cu o alta sursa si la fel daca incerci sal pornesti u1 scade la 70v se aude ca da sa ridice fit dar asta se intimpla pt fractiune de secunda Link to comment
maresmircea57 Posted July 20, 2009 Share Posted July 20, 2009 Scuze acum am observat ca este sasiu PT92 Link to comment
maresmircea57 Posted July 20, 2009 Share Posted July 20, 2009 Sasiul are trafo driver? Link to comment
lefter Posted July 20, 2009 Author Share Posted July 20, 2009 nu cred acum sunt acasa si tv il am in alta parte Link to comment
lefter Posted July 20, 2009 Author Share Posted July 20, 2009 am decuplat traf linii ,bu808 dfi la fel u1scade la pornire dupa care isi revine si ledu de stemby mai sta putin si revine la pozitia de stemby Link to comment
maresmircea57 Posted July 20, 2009 Share Posted July 20, 2009 Daca are trafo driver, atunci, nu are ce cauta acel BU808DFI acolo.Am atasat un dump, cu care sa rescrieti memoria. Mai verificati si integratul final video si cel de baleiaj vertical Link to comment
lefter Posted July 20, 2009 Author Share Posted July 20, 2009 video este pe transistori iar ci cadre verificat bun Link to comment
maresmircea57 Posted July 20, 2009 Share Posted July 20, 2009 Ce diagonala are tubul, si ce are in sursa? Link to comment
lefter Posted July 20, 2009 Author Share Posted July 20, 2009 in sursa este cu ic ICE1QS01 Link to comment
maresmircea57 Posted July 20, 2009 Share Posted July 20, 2009 Pai la diagonala asta nu trebuie sa aveti 143v! Pentru 20" trebuie sa fie 115v! Inlocuiti TL431, este intrerupt. Aveti si schema in attach, cu ambele tipuri de surse, cu TDA16846 si cu ICE1QS01 Link to comment
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