TV DOES NOT TURN ON

If everything else seems to be working fine, it’s probably not a power supply failure. That usually results in the TV not turning on at all, or shutting off completely.

Do a Power Reset.
1. Turn off TV.
2. Unplug the power cord of the TV from the electrical outlet.
3. Let the TV remain without power for 60 seconds.
4. Plug the power cord back into the electrical outlet. (If the television is plugged into a power strip or surge protector, remove it from the power strip or surge protector and plug it directly into the wall outlet. If the issue is resolved, the problem is with the power strip or surge protector and not the television.)
5. Turn on the TV.
If issue persists after doing the steps, reset the TV to factory default settings.
1. Turn on the TV.
2. Using the supplied remote, press and hold the UP arrow button.
3. While holding the UP arrow button press the POWER button on the TV itself.
4. When the TV goes off, release the POWER and UP arrow button.
5. The TV will turn on by itself and the initial setup screen will be displayed. Just follow the on-screen prompts to finish the setup.
Sony KDL 46V5100 random shut off 15 20 sec

Do you have a power strip or surge protector that recognizes when the power is disabled to the primary item, it automatically disables power to all other items? Easy way to check is to turn tv off and look for lights on other items plugged into surge protector.

Switch off TV, switch off power, remove plug and wait for 48 hours and retry. If problem persists, I suggest it is better to refer it to a qualified service technician, since the back cover has to be opened for investigation/rectification.

Look on the back of your PC. Is there a switch with a I and O on it? Flip it to O and back to I and try to turn your power back on.
If you are plugged into a power strip you may want to try cycling the power on the strip as well.

Hello, Paul.

Try replacing your power strip. The tower and the monitor are not the problem.

Hope this helps.

It means your power supply went out. I had a sony with the same symptons and it cost 140 to fix it.

is the tv on a power strip? unplug the tv from the power strip or wall outlet wait one minute then plug back into the wall outlet and not a power strip. TV should power back on.

You're right. It's not only a led problem. Efective. the tv doesn't shutt off due to defective relay S901 in primary power supply. It's a 5 volts ordinary relay, replace it and it'll be fine.