Set-top box failure
If this situation still occurs after shutdown and restart, it is caused by the failure of the set-top box, and it is necessary to take the set-top box to a special repair shop to check the cause of the failure.
Signal receiving equipment failure
If this situation does not occur again after shutdown and restart, it can be determined that it is the signal cause of the TV, just check the signal receiving equipment.
Definition of digital TV
Digital TV, also known as digital TV or digital TV, refers to a kind of TV that uses digital TV signals from studio to transmission, transmission and reception, or all signals of the system are transmitted through binary digital stream composed of 0, 1 digital string, as opposed to analog TV. Its signal loss is small and the receiving effect is good.