Folding LED display appears bright line, how to check and deal with it?

  I believe we all know that folding LED display is a kind of complex LED light beads gathered in a screen, which consists of unit board, sending card, control card, power supply, playback box, bracket and so on. However, in recent times, a lot of friends have found that when using the folding LED display, a bright line will occasionally appear. So do you knowFolding LED DisplayThe appearance of bright lines, how to check and deal with it? The following Vishay Technology editorial is for you to introduce:

折叠式LED显示屏出现亮线,该如何检查处理?

  Folding LED display appear bright line check processing method:


  1. Check if the unit board is good.


  The signals of the folding LED display are input from one board to another. So if one board has a problem, it will affect the boards behind it. Therefore, you need to check one by one whether the unit boards are normal.


  2. Check if the control card is working properly.


  First turn on the power, see whether the control card's indicator light is bright; if not, check whether there is 5V voltage supply, folding LED display can display the content. If it can display the content, it means that the display function of the control card is good. Then use the control card software to find the control card, if you can find, that sends the control card content of the function is good; if not, please check whether the communication line is connected, if it is the card is likely to have a problem. As long as these two functions are good, is the control card is good, otherwise to replace the control card.


  3. Judge whether the power supply is damaged and can be used normally.


  Because one power supply controls multiple unit boards at the same time. You can measure whether the output voltage is between 4.9~5.5v. If the folding LED display is not in this range, it is likely that the power supply is bad.


  To summarize, it is the checking and processing method of folding LED display appearing bright line. If we still can't solve the problem by the above methods, please contact Vishay Technology, we will arrange professional technicians to provide you with detailed answers.

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