Question about Sony BRAVIA KDL-46S2000 46 in. LCD HDTV
I have a Sony BRAVIA KDL55HX820 55" 3D LED Flat Panel HDTV and the issue that I've been having is that it turns on then about 5 seconds later its turns right back off. The red standby light flashes in the code of 4 times then pauses then 4 times then pauses... Do you know what that may be?
Over voltage protection function is turned ON. Just unplug the TV from AC mains wall socket, and re-plug it back after 10 minutes or so and check. If it do not help you, the main power regulator board should be checked and replaced. If you wish to get more details about blinking codes to Sony brand TVs, check the site linked here. http://electronicshelponline.blogspot.com/ Pull up previous posts there, either by type
in the model name to your set in its search box, or view it in Mosaic
Posted on Jul 20, 2013
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Posted on Jan 02, 2017
You either have a bad fan or one of the rotation sensors mounted on one of the fans has failed. Take the back off the set and see it the main fan slightly right of center is rotating. If it is, there are two more fans, one mounted right above the lamp and another on the optical block itself. You will have to pull the optical block to check those.
Posted on Nov 11, 2008
I had a similar problem with my 42 Inch Philips 42PLF5432D/37 LCD HD TV. It would turn on but then shut back off after about 10 seconds. Then it wouldn't turn on at all. The problem was a bad capacitor. Several bad capacitors. They are inexpensive and fairly easy to replace if you don't mind digging around in the back of your set and soldering some new ones on your Power Supply Board. Or take the less inexpensive route and look for a whole new Power Supply Board. Good luck. Hope this helps.
Posted on Dec 08, 2010
If tv model number is KDL-46S2000 then 4 times blinking standby light indicates back light failure problem in your tv.
Check/ replace back light inverter boards to solve its problem.
Posted on Dec 29, 2010
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