Re: tv wont turn on keeps blowing fuze when powering up
Apply ohms law HE HE. TRY THESE V= IR I= E/R just try. i think you have to analys system resistance on that particular circuit. since the fuse blew he he that is short circuit. when current starts to flow and that when the fuse cannot bear so...thats it..bye
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take the back off the tv and inspect the glass fuse off the ac power cord, it will probably be black and open, this is a common problem, it blows because the degaussing circuit works too slow, the original fuse is an 6.3 amp fuse, you need to replace it with a 6.3 amp slow blow or a 7 or 8 amp fuse to keep it from blowing, if you put an original 6.3 amp fast blow fuse in it, it will work for a while, but will blow again someday.
I am by no means an expert but i have the same type of TV and have a similiar problem, first I thought it might be a heat-induced effect so I vacuumed the interior but no joy--then I carefully inspected the main board and found two components that looked melted. So I would suggest you vaccum the interior and then inspect. But be careful as I found one capacitor on the board that still had a charge after 3 days of the set being turned off, you might want to verify things with a multimeter before poking around.
how long have you had your tv, and what i had found out is that after replacing the power supply board my tv went out a second time but i had gotten a warranty and then another power supply board was replaced and it would not come on, for 2-3days, so everyday i would just keep on pluggin it up and one day it came back on and i havent turned the tv off yet, what i was told by the tv repair man was that i needed a picure tube, and he said sony knows these tv has alot of problems, i tried contacting sony but was given the run around, i just wont by sony products anymore as they dont stand behind there product