Chosen Solution
Hi, i have an issue with my tv: KDL-55W756C After 2 days of standby when i tried to turn it on i had sound but no image so i turned it off removed the power for 5 mins and tried to turn it back on. But now the tv turns on the led turns white as usual and after a few seconds 3-5 seconds it turns off. (in this time no image or sound)
@ionutjtc after a few seconds 3-5 seconds it turns off. (in this time no image or sound) “ sounds like a bad main board or bad power board. You will need a multimeter and measure the voltage output from the power board to the main board. Here is the triage chart for your TV
and most likely candidate is a bad G-board (power supply board)There are a few variants on this so we would need to see your boards to be of more assistance. Consider posting some good images of the bvoards with yuor question Adding images to an existing question
