How do you reset the TV using the remote

SOURCE: Sony Bravia TV went Blank

COULD BE LVDS CABLE LOSE OR NOT MAKING A GOOD CONTACT , IF IS NOT THAT UNFORTUNATELY IT WILL BE NECESSARILY TO REPLACE T CON BOARD
YOUR RATING TO MY ANSWER ITS HIGHLY APPRECIATE
THANKS

SOURCE: HELP! KDFE55A20 watching TV and screen goes black and loses sound

Yes, its most probably lamp issue.
Please but original Sony lamp from Sony store and replace it in TV.

SOURCE: sony bravia screen doesn't work but sound still

Ur Video converter board is dead,need a new one.

SOURCE: Power on - Screen Black non responsive

U might get the tv working again,by unpluging it,replug an hour later let the tv reset it self.Not,Than the Tuner board,it the board u should looking into replacing.Not the power supply board is good,because u getting a solid power LED indicator light.