Question about Sony Televison & Video
Since the fuse is good,it could be just that a transformer died.If the fuse fried,one thing could have caused multiple things to fry due to a short.However,it doesn't sound like the components you did check were accurately read.About the only thing that would be accurate is the diodes on the input power because all of the rest are not isolated and the circuitry on each side of it would affect the values.The 2 input diodes are naturally isolated with nothing on one side and circuit on the other.Are there any lights on the board?There should be a few LED's at least.If nothing lights up,it could be the input diode.You should get a fairly high ohm reading one way,then switch the leads,and the other way should read infinity,or vice versa.You could also try calling Sony to change the board yourself if you do not have the time it may take to check component level.It would be pretty easy and not dangerous at all.If the input diodes were bad though,it would be a drastic difference in price.If they do check good,I could see if something else next in line were bad.If nothing at all is happening,the problem should be right there somewhere.Just comment here and don't say approve or disapprove because it will cut off our link.Good luck,Greg
Posted on Nov 14, 2010
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Posted on Jan 02, 2017
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