traianpop Posted September 22, 2006 Share Posted September 22, 2006 Tv nu porneste.La ponirea din buton,tensiunea urca pana la 125 V,apoi cade,ledul palpaie rosu-verde in cicluri de 1 sec.Am "fortat "circuitul st-by,teoretic,aparatul porneste(BO lucreaza),dar atat,led-ul palpaie in continuare.V-ati confruntat cu aceasta problema?PS:-procesor=VCT 3834 -FI =TDA 4470 -sursa =STRF 6654 -BV =TDA 8358 Link to comment
mircea626 Posted September 23, 2006 Share Posted September 23, 2006 ai incercat un alt dump?eventual decupleaza scl si sda de la selector,msp.. Link to comment
Guest Marisel Posted September 28, 2006 Share Posted September 28, 2006 Incearca sa schimbi optocuplorul si sc110n...sau incearca cu o sursa externa de8v in locul lui sc110n si vezi dc iti pleaca....dc nu iti pleaca incearca sa polarizezi optocuplorul cu 1,5v si apoi sa masori cu un ohmetru sa vezi dc iti deschide fototranzistorul din el.trb sa fie in jur de 50-60ohmi park.. :tonqe: Link to comment
traianpop Posted October 2, 2006 Author Share Posted October 2, 2006 Multumesc 'mircea', pt "tips".Am reinscris memoria cu alt dump(abia azi a "venit" tv la mine,de aici intarzierea...)si a pornit! Link to comment
Recommended Posts
Create an account or sign in to comment
You need to be a member in order to leave a comment
Create an account
Sign up for a new account in our community. It's easy!
Register a new accountSign in
Already have an account? Sign in here.
Sign In Now