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Common failure and maintenance methods of indoor LED display
2020-05-21 08:53
   What are the abnormal conditions of LED display screens and how to repair them? What are the common faults and maintenance methods for indoor LED display screens?  
  The manufacturer has installed and commissioned the Forbes LED display screen and delivered it to the user. The abnormal conditions that occurred afterwards are all fault problems. According to the feedback of the previous users, the following conditions and maintenance methods are generally concluded:
  1. There are sporadic unlit lights throughout the screen, also called black spots, bad lights, dead lights. (If it is not the occurrence of film domain, as long as it is within the range of failure rate, it generally does not affect the display effect)
  2. There is a jump box when the LED display is powered on, and the same is true for repeated operations. (Check where the power line is short-circuited, especially the positive and negative power line connectors to see if they are touching, and the connector on the power switch; another one is that no metal objects fall inside the screen)
  3. One line of the LED display is abnormally displayed, with flickering variegated colors(Check from the abnormal position of the board, check whether the cable is loose, whether the board cable interface is damaged, if there is any problem, replace the cable or the faulty board)
  4. A large part of the LED display screen is not displayed, it is all black. (First consider the power transmission problem, check from the problem board to see if the power switch is broken or there is no power, check whether the cable is loose, the signal has not been transmitted, and then there is the problem of receiving card damage; one by one can find a solution)
  5. When playing video or pictures on the LED display, the computer software display area is normal, but sometimes the screen is stuck or black. (Generally, the quality of the network cable is the cause of the black screen freeze caused by packet loss in the video data transmission. It can be solved by replacing the network cable with a better quality)
  6. A flashing square, noise, and several consecutive lights appear abnormally on a certain board on the LED display. (That's the board problem, just replace the board with the abnormal display)
  7. There is an large area on the  LED screen that displays abnormality, such as all the messy colors flashing. (Generally it is the receiving card problem, check which receiving card is controlled in that area, replace the receiving card to solve the problem)
  8. The connection between the computer network cable and the LED large screen network cable is good. The software prompts "No screen system found". Even the LED screen can play pictures and video functions normally, but the data set by the software is all failed. (Generally there is a problem with the sending card, which can be solved by replacing the sending card)
  9. The LED display player software window displays normally, but the picture on the screen is disordered, staggered or divided into multiple windows to display the same picture separately. (It is a software setting problem, enter the software setting and correct the setting again to solve)
  10. I want the LED display to be synchronized with the full-screen display on the computer desktop. (If there is no LED video processor, this function can not be achieved; equipped with a video processor, it can be adjusted on the video processor to synchronize the image area to be displayed on the Forbes LED screen )

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