I don't have the service manual and for the 12 to 15 bucks they cost I have yet to find a TV tech share the contents.
Example why it does that? Video at link to follow. You as a TV tech know what to check next.
Bob
-> http://www.youtube.com/watch?v=oE6K4xBVweA
I have a Samsung un46d000 smart tv which switchs on for 3 sec,displays the Samsung logo and screen goes blank.Then a little led in lower rite corner will blink 4 times and tv switchs off.we have replaced power supply board but problem still remains.Can anyone tell me what the diagnostic code is for the 4 blinks?
Thanks much

Chowhound
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