grasi Posted June 18, 2017 Share Posted June 18, 2017 buna ziua dragi prieteni am un tv watson cu sasiy 11ak56 am gasit finalul linii busit MD1803DFX am pus altul si cum il pornesc il arde instantaneu am schimbat niste conzi face la fel sa fie oare traful de linii ?.stima Link to comment
gabilungu66 Posted June 18, 2017 Share Posted June 18, 2017 Pana sa banuiti trafo linii ca fiind defect, decuplati final linii si puneti bec pe sursa. Dupa ce va convingeti ca sursa functioneaza corect, verificati cond. intoarcere final linii si deflexia. Link to comment
neculavasile Posted June 18, 2017 Share Posted June 18, 2017 cond de recuperare l-ai schimbat? Link to comment
grasi Posted June 18, 2017 Author Share Posted June 18, 2017 se pare ca am gasit defectul am gasit condul de 100n/250v umflat ,il voi schimba si revin cu rezultatul multumesc va multumesc la toti am rezolvat condensatorul de 100n/250v din emitorul lui md1803 a fost problema l am schimbat si a pornit Link to comment
dan cod Posted June 18, 2017 Share Posted June 18, 2017 Conzi din colector de verifica prima data in astfel de cazuri. Link to comment
cornel1962 Posted June 19, 2017 Share Posted June 19, 2017 se pare ca am gasit defectul am gasit condul de 100n/250v umflat ,il voi schimba si revin cu rezultatul multumesc va multumesc la toti am rezolvat condensatorul de 100n/250v din emitorul lui md1803 a fost problema l am schimbat si a pornit ...daca s-ar fi respectat schema (adica 2x47nF), nu ar fi existat riscul intreruperii acestui cond. si nici arderea finalului de linii. In cel mai rau caz, la intreruperea unuia dintre ei, s-ar fi blocat H-out. Link to comment
dan cod Posted June 19, 2017 Share Posted June 19, 2017 Din pacate sunt multe in care schemele nu se mai respecta. Link to comment
leoncris Posted June 19, 2017 Share Posted June 19, 2017 " gasit condul de 100n/250v umflat" - cum adica , schimbasi MD1803DFX si nu vazusi condul de 100n/250v ... gravid ? 1 Link to comment
grasi Posted June 21, 2017 Author Share Posted June 21, 2017 nu l am vazut firar el sa fie va multumesc la toti Link to comment
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