Question about Sony BRAVIA KDL-40S2000 40 in. LCD HDTV
your TV is having a power problem. The power supply board is defective that's why the TV is blinking and won't power up. Its receiving power but it cannot transfer the current to the necessary part of the TV because a capacitor, diode, etc may have been faulty on the power board. Until these bad components are replaced, the TV might not come on.
If you know about TV repairers, I would suggest that you open the TV and read the power board/panel with a meter, detect the bad component and replace it. Take note that TV stores a lot of current that can shock, so leave the TV for a while before you open it.
If you don't know about TV repairers, take the TV to the nearest repairman to fix the fault for you.
Posted on Aug 27, 2010
I would start by looking at the power supply board to see if there are any electrolytic capacitors that are domed or bulged at the top rather than flat. If any of the are bulged then replace any of those. If you can't do that or if they all look ok, then you can just replace the entire power board for under $100 if you do it yourself. you can get them on ebay at this link...
This isn't a guarantee that it's definately on the power supply, but definately the first place I would start if I were working on this set. Without doing a lot of tests and checking several components w/ a meter, there's no way I can tell you for sure, but w/ my experience I'd say it's about a 75% chance that a new power supply module will fix it. Our shop would probably get around $250-$300 for this repair, and most others will be about the same.
Posted on Aug 27, 2010
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Posted on Jan 02, 2017
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