Liuzhou LG TV after-sales repair service phone number is "automatic mute"

Liuzhou TV after-sales repair service phone automatically mutes
Liuzhou electrical appliance after-sales repair: -
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What are the reasons why the TV has no sound?
What are the reasons why the TV has no sound?
. The mute or audio amplifier is broken.
. The audio cable is not connected properly or is connected incorrectly.
. Digital set-top box failure.
. The sound circuit or line is faulty.
Phenomenon: There is suddenly no sound when the TV is in use, but other functions such as images are fine.
First, check whether the settings are correct. First, check whether the mute button on the remote control is pressed. Secondly, check whether the volume is adjusted to the correct position. Again, check the signal source. For wired signals, you can check whether the audio standard of the remote control is in /standard (Shenzhen users are in the standard). Adjust the channel button of the set-top box or satellite receiver to the left channel, and check whether the audio cable is connected correctly.
Second, listen to the noise. If the loud noise is caused by the offset of the audio intermediate frequency, you can change the audio intermediate frequency or fine-tune the audio intermediate frequency to restore the sound. If the noise is very small, it is not a sound intermediate frequency fault. Check the sound power amplifier part to see if the performance of the power amplifier block or peripheral components has deteriorated. If you don't understand electronics, don't move around to avoid unnecessary losses. Ask a professional to check it.
Phenomenon: After installing a digital TV set-top box, the TV has no sound.
1. First check whether the wiring is in good condition. Try changing the audio cable to see if there is any sound. Check whether there is sound during playback. If there is sound, it proves that there is nothing wrong with the TV.
2. If the wiring is good, the problem lies in the following two situations:
. Set-top box problem. Considering that your set-top box is newly installed, this is most likely the case.
, signal reason. If the signal is not good, there will be a problem where there is sound for a while and then there is no sound. Please contact your local cable television communications department.
Phenomenon: Why is there no sound from the TV when the computer is connected to the TV?
That's because the computer is only connected to the TV to transmit video signals, but the audio signals are not connected, so you need to connect an additional audio signal line from the computer host to the TV.
The first method is to use the interface to connect
The interface can output sound. First install the driver, and the audio output will be displayed in the device manager. Then disable the sound card that comes with the motherboard, and then go to Control Panel-Sound The sound output selection of the option can output the sound. If using an adapter, use a +pin adapter if possible.
The second method is to use an audio cable
Find an audio cable, connect one end to the audio input port of the TV, and the other end to the computer headphone jack. The ends of each cable are 3., which is very convenient. Conveniently, pay attention to the length of the line. The other end of the line is a 3. audio line, and the other end uses a Lotus color difference line. The method is the same.