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Anonymous users2024-02-06There is no signal on the LCD TV, and the original reason is here.
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Anonymous users2024-02-05What should I do if the TV shows no signal after it is turned on.
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Anonymous users2024-02-04Here's why:1. Signal source problem, check whether the connection line of the TV set-top box or other equipment is loose, if it is loose or in the wrong position, the TV has no signal or cannot open the TV program normally.
2. TV hardware problems, if the plug-in board interface of the TV is damaged, or the TV signal receiver appears or, or other hardware damage may cause the TV to have no signal, if it is a TV hardware problem, you need to go to the TV manufacturer for after-sales maintenance.
3、Smart TV needs to be connected to the network to use,Therefore, when the TV shows no signal, you can check whether there is a problem with the wireless network of the TV,Generally, find the settings from the TV home page、Network settings,Reconnect to the wireless network to see if it can return to normal。 If your TV is connected to a network set-top box, you need to go to the page of the set-top box to reset it, or go to the home page to find the settings and then find the wireless network, and try to reconnect the network.
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Anonymous users2024-02-031. This situation may be caused by the fact that the ** cable of the TV is not connected well or plugged in the wrong position. 2. There is also a situation that the set-top box of the TV is faulty or the connection line is damaged. 3. The input source of the TV is incorrect, which will also cause the TV to display no signal all the time.
4. The power supply of the set-top box is faulty, or the set-top box is not opened. 5. There is also a situation that there is a problem with the service network, which belongs to the operator's problem. Suggested workaround:
1. First of all, you need to check whether the TV ** cable is connected, if it is not connected, you need to unplug it and reconnect it, if it is plugged in the wrong position, you need to reconnect it correctly according to the wiring instructions. X000B 2, check whether the connection cable between the TV and the set-top box is damaged, if this is the case, you need to replace a new cable. 3. You need to judge whether the power supply of the set-top box is connected, if not, you need to replace a new power cord.
4. Contact professional maintenance personnel to check whether the set-top box is faulty, and if it fails, it needs to be repaired, or it is directly replaced with a new set-top box. 5. Turn on the TV to see if the input source is correct, if not, you need to change it to the correct input source to be normal**.
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Anonymous users2024-02-02Summary. There are three main possible causes, and repairs need to be carried out according to the specific cause.
1、It may be that the connection cable between the TV set-top box and the TV is loose or the contact is poor,In this case, the signal will be lost,The TV will show no signal。 Therefore, you need to check the connection cable between the set-top box and the TV, and you need to connect the connection cable firmly.
2、It may be that the signal transmission line is faulty,You need to check whether the signal transmission line is damaged,If it is damaged, it needs to be repaired in time,After the repair, the TV signal can be restored。
3、It may be that the signal source of the TV is switched to other modes,When selecting the signal source,You need to choose the signal source that can display the TV signal。
What's the deal with the TV that keeps showing no signal?
There are three main possible causes, and repairs need to be carried out according to the specific cause. 1、It may be that the connection cable between the TV set-top box and the TV is loose or the contact is poor,In this case, the signal will be lost,The TV will show no signal。 Therefore, you need to check the connection cable between the set-top box and the TV, and you need to connect the connection cable firmly.
2、It may be that the signal transmission line is faulty,You need to check whether the signal transmission line is damaged,If it is damaged, it needs to be repaired in time,After the repair, the TV signal can be restored。 3、It may be that the signal source of the TV is switched to other modes,When selecting the signal source,You need to choose the signal source that can display the TV signal。
How to check the reason why the TV has no signal1、Step 1You need to check whether the TV can be switched on and off normally,Check whether the power switch is turned on。 2、Step 2After turning on the power switch,If the TV is not currently signally input,You can check whether the signal input connection of the TV is smooth,You must check the signal transmission line of the TV。
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Anonymous users2024-02-01This could be one of the following reasons:
1.The TV signal cable is not plugged in properly or is damaged.
2.Problems have arisen with the TV signal source, such as the TV station is maintaining the car or the signal source is faulty.
3.The TV's receiver is malfunctioning.
4.There is a problem with the TV's settings, such as the wrong source settings or the wrong source switching.
Workaround:1Check that the TV cable is plugged in or damaged, and if it is damaged, it needs to be replaced.
2.Wait for a while and see if the source returns to normal.
3.If the TV's signal receiver fails, you need to contact after-sales service for repair or replacement.
4.Check that the TV's settings are correct, such as whether the source settings are correct or that the source switching is correct. If the settings are incorrect, you will need to set them up again.
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