The reason why the TV has sound and no image may be the following 4 points:
1, signal problems, weak signal strength or no signal will cause the TV only sound without images.
2, the TV mode is wrong, did not adjust the TV mode to the mode that can watch the program normally.
3, the connection problem, the TV screen connection is wrong, resulting in the normal display of the image.
4, set-top box failure, set-top box failure will cause the TV can not play the screen normally.
TELEVISION in our daily life is a more common way to relax, but any electrical appliances used for a long time will encounter a variety of problems, TV has sound without images is one of the more common ones, then, what are the reasons for the TV to have a sound without an image black screen? Let's elaborate on what's going on.
1, signal problems, first of all, open the TV set to detect the strength of the signal, and switch to the test bench to detect the signal strength, if this station can play normally, it means that there is no problem with the signal. At this time, you only need to adjust the signal receiver, if there is still no signal, you can only find a professional to repair.
2, TV mode problem, open the TV set to set, and adjust the TV mode, see if the TV automatically converts. If not, it should be a problem with the TV. It is recommended to find a professional for repairs.
3, the connection problem, the TV screen connection is wrong, resulting in the normal display of the image. The data connection cable is usually divided into three colors, usually the color of the connection line between the TV and the set-top box should be consistent, and check whether the cable is plugged in, you can solve the problem.
4, the problem of digital set-top box, try to replace a TV set-top box digital set-top box, if you can present the picture, it means that it is the problem of the set-top box. To solve this problem, it is best to replace it with a new digital set-top box.
The pictures in this article are from the Internet