The ghost problem of LCD TV is largely due to the failure of the beam splitter or mirror assembly inside the LCD screen, which leads to the distortion of optical imaging. Here are some common maintenance methods.

1. Replace LCD screen.

If the ghost problem is caused by the damage of the LCD screen, you can only replace the whole screen. However, this method is expensive, often thousands or even tens of thousands of yuan, and may also face problems such as screen brand mismatch and screen size mismatch.

2. Adjust the power board

Power board is one of the cores of LCD TV. If the power board is damaged or not working properly, it will easily lead to ghost problems. In this case, you can try to adjust the parameters of the power board or replace the power board.

3. Clean or replace the light path components.

Optical components in LCD TV include spectroscope, reflector and other components. If these components get dirty or damaged, it will also cause ghosting problems. At this point, these components can be cleaned or replaced to solve the problem.

4. Adjust the LCD panel

The damage or aging of the adhesive layer or liquid crystal layer of the LCD screen, or the abnormal LCD display, will lead to the ghost problem. In this case, you can try to adjust the LCD panel to solve the ghost problem.

In a word, there are many ways to solve the ghost problem of LCD TV, and you can choose the appropriate method according to the actual situation. At the same time, when using LCD TV at ordinary times, we should also pay attention to maintenance to avoid damage due to impact and vibration.