Check the Sleep timer or Idle TV standby functions
The screen may have been turned off due to the Sleep timer or Idle TV standby functions. Check the settings according to your operating system
Note: To check the type of TV you have, refer to the How to check if your BRAVIA TV is a Google TV, Android TV, or other TV article. How to check if your BRAVIA TV is a Google TV, Android TV, or other TV article
Is the problem resolved?