How to repair the old TV blur

Old TV sets are inevitably blurred because of their age and long use. At this point, you need to take the following ways to repair:

1. Clean the internal components of the TV: dust, dirt, oxides, etc. It is easy to accumulate in the TV, which affects the signal transmission and image display quality. Therefore, the cleaning agent can be used to spray it into the TV set for cleaning, so that the equipment of the TV set is cleaner and the display effect of the image is improved.

2. Adjust the image display mode: The display mode of the old TV set is analog signal, and the signal quality of different channels is different. When blurring occurs, you can try to adjust the image display mode of the TV, such as fine adjustment, transparency adjustment, gain adjustment, etc. Can make the image clearer.

3. Check the connection of TV antenna: TV needs to receive signals through antenna. If the antenna connection is loose or aging, the signal will be disturbed and the image will become blurred. Therefore, it is necessary to check the connection state of the antenna. If it is loose or damaged, it should be replaced in time.

4. Replace old TV parts: TV screens, TV picture tubes and other internal parts are also prone to aging and damage. At this time, it is necessary to replace the corresponding parts for maintenance, such as replacing the old CRT picture tube and transformer capacitor, which can improve the performance of TV.

In a word, many factors such as cleaning, adjustment and replacement need to be considered comprehensively to restore the old TV set to normal working condition. If the above measures can't effectively solve the problem, it is suggested to consult professional TV maintenance institutions in time to find the most suitable solution.