More than 20 in front of the TV can t see what s going on, there is a signal, and the station behind

Hello: I am a TV line maintainer in a county in Sichuan Province, as one of the top 3 radio and television counties in the province for 3 consecutive years and I have been engaged in TV line maintenance for 5 years, I think I am qualified to be able to you have any questions about digital TV.

I won't give you the technical terminology,I'll make it simple,Each channel of digital TV exists on the corresponding frequency,When the signal is abnormal,The value of the frequency point will become very low,The frequency point is low and will be presented on the TV in the case of mosaic,When the value is too low to standard,There will be no picture,Solution:If it's me,I'll directly check the coaxial cable split in your home,80% of the failure of digital TV,It is caused by the non-standard indoor wiring。 So, as a user, you have the fault maintenance of the local digital TV operator on your set-top box smart card**.

What set-top box frequency is locked, whether the set-top box is broken, these are not the problems that your users worry about, call the local digital TV maintenance**, I believe there will be enthusiastic service personnel to help you solve it.

Hit with all hands.

I don't know what signal you have at home, if it's a digital signal, then you need to search the station again, if the analog signal is wrong, there may be a problem with the signal, or the high-frequency head of your TV is broken, go to the neighbor's house to take a look, or move the TV to the neighbor's house to try it, the problem can be found.

What about searching for the station again? What's going on?

Hello dear, why is there no TV signal in the reception of the previous station; 1.If there is no signal on the network at home,It is generally caused by several reasons,One is that there is no network due to the problem of TV settings,The second reason may be a problem with the network connection,For example, the network cable is damaged,The third maybe。 2.

There is no signal on network TV,First of all, we can call the relevant departments,Check if you have any arrears,If the network fee is in arrears, you need to pay the fee in time。 3.In addition,We may also be the second reason,Problems with TV settings,Turn the TV off and back on,Click on settings,See if the network is connected,If the network is not connected,Reconnect the lack of brother regret the network ,..

4.According to the third reason for the problem of network connection, we can check the network set-top box and router at home to see if the indicator lights are on, if the indicator light appears in a state of large volts and partial extinguishment, it means that the network hopes to help you, I wish you a happy life

If it's cable TV.

1. The signal connecting to the set-top box is weak. The plug of the signal cable connecting to the set-top box is loose, and the signal cable needs to be reconnected to restore the signal.

2. The signal demodulator of the set-top box is broken. Let the professional master replace the signal demodulator.

3. The front-end of radio and television will suspend and adjust individual programs, so that the programs that appear cannot be watched. Wait for the radio and television to be revised.