Why is there no signal after the TV set-top box is switched on?
The TV shows no signal, usually video input, switching, no selection, checking the assembly line, or selecting one by one
Talking about my handling method, I didn't know what button was wrong to cause the set-top box to not receive the signal. Later, I pressed the satellite button on the remote control to select all satellites, and the result turned out to be fine.
The signal line is not plugged in. Or the place where the signal line is connected to the set-top box is not inserted into the signal input interface of the set-top box properly. Or there is a problem with the signal wire installation or the signal line is damaged.Can not repair their own signal line, or repair still show no signal, dial digital TV customer service phone repair or to find them debugging.When you plug in your smart card, you must turn off the set-top box power. The hot plug of the set-top box is not closed, and the card is easy to burn out! And as little as possible to move the card, you can pay for the set-top box when the document to pay or remember the card's card numberPay attention to the safety of electricity, for reference only.
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.
