Nonny149 Posted January 24, 2008 Share Posted January 24, 2008 am in lucru acest model de schneider sasiu TV9 cu tda8177f in cadre,si nu sant lamurit ce tensiune de alimentare are pe cadre.in schema zice 45v,iar in televizor am 64v.tubul e cu diagonala de 66cm.e posibil sa aiba alimentare la valoarea asta?tensiunea data de sursa e 145v,traful de linii lam schimbat pt ca scotea tensiuni mari.acum functioneaza fara descarcari dar nu sant lamurit cu cadrele. Quote Link to comment Share on other sites More sharing options...
qazaq Posted January 24, 2008 Share Posted January 24, 2008 Salut!pe care pin ai masurat 64v?ca circuitul se alimenteaza pe pinul 2.pe schema parca-i trecut 3.in datasheet ai specificat tensiune de alim.pe pin2=40v fata de masa. Quote Link to comment Share on other sites More sharing options...
Nonny149 Posted January 24, 2008 Author Share Posted January 24, 2008 Salut!pe care pin ai masurat 64v?ca circuitul se alimenteaza pe pinul 2.pe schema parca-i trecut 3.in datasheet ai specificat tensiune de alim.pe pin2=40v fata de masa.pe pinul 3 are 64v fata de masa. Quote Link to comment Share on other sites More sharing options...
qazaq Posted January 24, 2008 Share Posted January 24, 2008 Salut!pe care pin ai masurat 64v?ca circuitul se alimenteaza pe pinul 2.pe schema parca-i trecut 3.in datasheet ai specificat tensiune de alim.pe pin2=40v fata de masa.pe pinul 3 are 64v fata de masa.pinul 3 zice ca-i flayback generator :rolleyes: Quote Link to comment Share on other sites More sharing options...
Nonny149 Posted January 24, 2008 Author Share Posted January 24, 2008 Salut!pe care pin ai masurat 64v?ca circuitul se alimenteaza pe pinul 2.pe schema parca-i trecut 3.in datasheet ai specificat tensiune de alim.pe pin2=40v fata de masa.pe pinul 3 are 64v fata de masa. pinul 3 zice ca-i flayback generator :rolleyes: nu ai citit atent,acolo e flyback supply,cu alimentare maxim 70v.deci teoretic ar trebui sa reziste. Quote Link to comment Share on other sites More sharing options...
ion_vasile Posted January 24, 2008 Share Posted January 24, 2008 tensiuni corectepin 2 14,7vpin 4 -14,7vpin 3 63v Quote Link to comment Share on other sites More sharing options...
codrin Posted January 24, 2008 Share Posted January 24, 2008 salut! tensiunile date de ion_vasile sunt corecte .cu toate ca eu parca avem plus /minus 16,5v la u1=145V .atentie la TDA8177F de unde-l procuri. de preferat ar fi din recuperari.mai merge sa-l inlocuiesti cu STV9379F. bafta! Quote Link to comment Share on other sites More sharing options...
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