How to solve the problem of LED display screen?

LED display is also a kind of electronic products, so after a long time of use, there will definitely be some problems. The most common problem that appears on the LED display is the blurred screen. What should I do when the LED screen has a blurred screen?

The reason why the LED display is blurred is actually nothing more than: power supply, adapter, board, and the worst result is that the LED lamp bead is burned out. One of the most common faults is the power supply, including damage to the adapter, loose power supply, unstable voltage, weak communication line interface, or damaged connecting line. Knowing the main reason, we can prescribe the right medicine step by step to investigate and solve the problem:

1. Reconnect the communication line, carefully check the LED display wiring manual, and then carefully connect the wiring according to the instructions above. The interface should be plugged tightly to avoid short circuit or poor contact.

2. Use a multimeter to detect the internal connection lines of the LED display screen, find out the lines with poor contact or short circuit, and replace the high-quality circuit connection lines.

3. Use a multimeter to detect whether the power supply of the LED display is grounded. The screen may become flowery due to this reason. If there is a problem, just ground the power supply.

4. If the above methods cannot solve the problem, it may be that the LED lamp bead or the screen is broken. It is recommended to contact the manufacturer for repair as soon as possible to avoid further deterioration of the dead point.

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