What happens when the TV set-top box is installed and no signal is shown on TV?
The video cable is not plugged in, the Yellow video output set-top box behind the mouth, red and white audio output plug AV cable, connected to the corresponding interface on your tv.
This is because your digital TV frequency does not match the set-top box frequency, so you can choose the full channel search directly without taking care of it.
The correct method: insert signal line, and inserted the AV data line, if the TV shows no letter, this is usually because the fault signal of the outside world, may also be the fault of STB. You can call the radio and Television Department to inform them over the maintenance
After the set-top box is installed, the TV shows no signal, because the connection is not correct or the TV is not switched to the corresponding signal source mode. It is recommended that you reconnect and set up in the following ways:1. The digital TV signal line is inserted into the signal input interface of the digital TV set top box. If there is a smart card, the smart card is inserted into the slot of the set-top box;2, the use of AV cable, AV interface plug into TV, AV interface, the other end is inserted into the digital TV set-top box, plug and pay attention to correspond to the color of the interface;3, press the TV/AV button of the remote control, and switch the TV signal source to AV mode to display the picture of the set-top box, indicating that the TV set and the set-top box have been successfully connected;4, then you can use the set-top box remote control operation, the implementation of automatic search table, after the search station is completed, you can begin to watch digital TV programs.
