crismarin Posted January 18, 2017 Share Posted January 18, 2017 Bună am un tv daewoo model 14c7gt se aprinde led dar nu pornește nici din panou nici din telecomanda. Un sfat Link to comment
dan cod Posted January 18, 2017 Share Posted January 18, 2017 Verifica telecomanda,apoi vezi tensiunile. Link to comment
crismarin Posted January 18, 2017 Author Share Posted January 18, 2017 Am verificat tensiuni b+12vtens de13vcam 7v lipsește tens8 v de 3,3 pe procesor exista pe memorie de5v Link to comment
dan cod Posted January 19, 2017 Share Posted January 19, 2017 Cred ca sursa e in stby.Ce sasiu are?E scris pe cablaj pe spate in zona traf linii. Link to comment
dan cod Posted January 19, 2017 Share Posted January 19, 2017 Atunci sa masoare in baza la Q851 sa vada daca se modifica ceva cand da on. Link to comment
crismarin Posted January 19, 2017 Author Share Posted January 19, 2017 Bună am măsurat tenis q851. E 0,5v și am dat on de pe panou și nu se schimba tens Link to comment
leoncris Posted January 19, 2017 Share Posted January 19, 2017 Schimba C 818 , 820 ; verifica D 812 , 813. Link to comment
catalin004 Posted January 19, 2017 Share Posted January 19, 2017 (edited) Posibil si soft eprom...si mai urat procesorul...scoateti tiristorul, cred ca ar trebui sa porneasca...I810 Edited January 19, 2017 by catalin004 Link to comment
crismarin Posted January 19, 2017 Author Share Posted January 19, 2017 Am schimbat cond diode ok nu se schimba nimica Link to comment
crismarin Posted January 19, 2017 Author Share Posted January 19, 2017 Da am scos q810 tot stabil ramane Da și nimic Da tot staby ramane Link to comment
catalin004 Posted January 19, 2017 Share Posted January 19, 2017 (edited) Deci daca se scoate acel tiristor macar ar trebui sa ai B+ 123/114V...apoi cu el scos poti verifica cu o memorie goala, nu stiu sigur daca porneste acest sasiu, colegii stiu mai bine, insa merita incercat.Daca nu ..am gasit de multe ori procesorul dus Ps am zis I810 nu Q810...adica un tiristor care este in apropierea chopperului. La acest sasiu se recomanda si schimbarea SE-ului Edited January 19, 2017 by catalin004 Link to comment
surubarila Posted January 19, 2017 Share Posted January 19, 2017 Sanatate permanenta ! Intrerupe circuitul unde e X-ul rosu si da-I ON fortat (extern). Link to comment
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