Samsung 50" 6400 Series Full HD Smart 3D LED TV "smart led tv turning" Questions

...LED 50 LED smart TV series 6400 is turning off and on over and over, Power supply repair? how do i get to Adams answer? Fault at its main digital board. Short circuited component/s at it. Contact any ...

turns on and I get the LG start up screen followed by three seconds of a perfect picture..then all goes black. Has sound. What's wrong? Sounds like bad caps. There are recaping kits but if you have no