How to Monitor the LED Display Flower Screen Fault

Reading volume: 1338

Release time :2023-08-29

Estimated reading time: 1 minute

Subscription:50

Many people don't know how to solve the problem of LED display screen blur, because many people think that the LED display screen failure is a big problem, and they don't have the confidence to deal with it. At the same time, they are afraid that they will touch a switch or The blurred screen caused by components is more serious. In fact, the LED display screen is not as delicate as everyone imagines. Although there are many reasons why the small-pitch LED display screen cannot display normally, don't be afraid. Next, follow the editor to repair the LED display screen faults:

The newly installed LED display has a blurry screen:

The screen of the newly installed small-pitch LED display screen is blurred just after it is installed and powered on. Most of the reasons are that the scanning of the LED software control card is not set correctly, and the other is that the cable is not inserted correctly or the cable is not inserted in place.

If you want to solve this kind of problem, finds a monitor that can try to connect to the DVI interface, observe whether the signal of the DVI output port of the graphics card is normal, and eliminate the signal output problem caused by the failure of the graphics card. Although the display card technology of LED display manufacturers is mature now, and there are few failure reasons, this operation is still necessary. After all, it is a troubleshooting method, and the cause is found step by step without missing every link.

After using for a period of time, the LED display screen is found to be blurry:

If it is because the LED display screen is found to be blurred after using it for a period of time, most of the reasons are the failure of the control card, and the failure of the control card is mostly caused by the water seepage of the LED display board, which damages the chip, circuit device or power supply.

The LED screen can't display the blurry screen. Solution: Check whether the power supply of the display screen is normal, and whether there is a strong power input that causes the power supply to be low or high.

The display of the LED electronic display is abnormal, blurred and unclear. Solution: Check whether the parameter setting of the LED control card is correct, whether the communication line is normal, whether the cable is loose or not in good contact, plug and unplug the cable signal line, and clean the dirt of the cable contact.

Part of the display screen is abnormal, such as black screen, blurred screen. Solution: Check whether the local power supply is working normally, and whether the signal transmission line of the screen is faulty.

 None of the above operations have solved the problem of the blurred screen on the LED display, so it depends on the next big move. Output related issues.

Check the problems related to signal output: Check whether there is any error in the line from the output interface to the signal output IC, whether there is a short circuit or the like. Check whether the clock lock of the output port has abnormal signal or insufficient signal.

As long as friends have achieved the above points, the problem of small-pitch LED display screen blur can almost be solved.

Shenzhen DDW Technology Co, Ltd is a professional manufacturer and developer of LED display screens in Shenzhen, China since 2012.

We're a company focus on indoor outdoor rental LED screen, fixed LED screen, HD LED screen, flexible LED screen, transparency LED display, creative led screens and customization services.

If you are in need of LED displays, kindly contact us today.