POLAKU2002 Posted November 24, 2016 Share Posted November 24, 2016 Buna seara.acest tv are ledul ce clipeste putin dupa care se stinge....am pus becul intre e c si u1 am 12v...iar pe dioda pare ca ar fii in scurt....chasiul este un cw62b...mai sap.... Link to comment
FLORIN IORDACHE Posted November 24, 2016 Share Posted November 24, 2016 Luati schema de aici : http://www.elforum.info/topic/22174-tv-lg-model-21fs2blx-sasiu-cw62b/ si mai faceti niste masuratori in plus... Link to comment
dan cod Posted November 24, 2016 Share Posted November 24, 2016 Verifica ce e in scurt.Daca chiar e in scurt Link to comment
POLAKU2002 Posted November 24, 2016 Author Share Posted November 24, 2016 am gasit ceva conzi umflati i-am schimbat dar degeaba....singura tensiune prezenta in secundar e 12v... Link to comment
dan cod Posted November 24, 2016 Share Posted November 24, 2016 La procesor ce tensiune ajunge? Link to comment
POLAKU2002 Posted November 25, 2016 Author Share Posted November 25, 2016 (edited) Buna ziua.in pinul 28 tensiunea e 0v....sapam mai departe.....am schimbat ceva conzi si acum am stand by si u1 este 82v in loc de 126v...daca i dau sa plece ledul clipeste ritmic si se stinge total....si atit nimic nu se intimpla...finalul linii si c 406 sunt ok... Edited November 25, 2016 by POLAKU2002 Link to comment
dan cod Posted November 25, 2016 Share Posted November 25, 2016 Daca procesorul nu se alimenteze cum sa mearga? Link to comment
POLAKU2002 Posted November 25, 2016 Author Share Posted November 25, 2016 da si pe pinul 4 tensiunea este 0v.....releul nu da nici un semn... Link to comment
MISTER BIG Posted November 25, 2016 Share Posted November 25, 2016 Acolo nu ajunge tensiune sau o mănâncă pin 4 care o fi scurt la masa ?Izolați pin 4 si măsurați l ohmetric fata de masa ! Link to comment
Florinel TV Posted November 25, 2016 Share Posted November 25, 2016 Verifica pinul 16 proc si vezi daca ai tensiunea de sby de 3,3v Link to comment
POLAKU2002 Posted November 26, 2016 Author Share Posted November 26, 2016 (edited) pe pinul 16 sunt 2,56v izolarea pinului 4 rezistanta fata de masa este infinita. Edited November 26, 2016 by POLAKU2002 Link to comment
POLAKU2002 Posted November 26, 2016 Author Share Posted November 26, 2016 pe bobina releului sunt 5v cind e in stanb by....in momentul cind dau sa il pornesc tensiunile toate dispar.....si ledul se stinge complet....efectiv tv moare total Link to comment
Florinel TV Posted November 26, 2016 Share Posted November 26, 2016 pe bobina releului sunt 5v cind e in stanb by....in momentul cind dau sa il pornesc tensiunile toate dispar.....si ledul se stinge complet....efectiv tv moare total Pai si nui putin 2,56v in loc de 3,3 , hai 3,18v dar nu sub , atunci procesorul nu se alimenteaza corect si de aici toata problema cu pornirea Link to comment
POLAKU2002 Posted November 28, 2016 Author Share Posted November 28, 2016 (edited) am schimbat releul ca facea figuri,ceva conzi si acum in pinul 16 am 3,2v. iar u1 este 83v,la fel 3v3 stanby e prezenta ....dar in pinul 4 tot 0v.....si partea ciudata e ca daca i dau plecare din standby,ledul clipeste si apoi incet incet dispar toate tensiunile...efectiv moare cu totul.... Edited November 28, 2016 by POLAKU2002 Link to comment
dan cod Posted November 28, 2016 Share Posted November 28, 2016 Eu cred ca sursa aia nu functioneaza ok. Link to comment
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