What are the outdoor LED display black screen solutions?

Outdoor LED display black screen solution: 1. Make sure all hardware, including the control system, is powered on correctly. +5V, do not connect it backwards. Wrong connection) 2. Check and repeatedly confirm whether the serial cable connected to the controller is loose or falls off. (Suggestion from the LED display manufacturer: If it turns black during the loading process, it is probably due to this reason, that is, the screen is black due to loose and interrupted communication lines during the communication process.

Don't think that the monitor doesn't move, the line can't be loose, please check, it's very important for you to solve the problem quickly. 3. Check and confirm whether the display screen connected to the main control card and the HUB distribution board are tightly connected. Whether they are inserted reversely. 4. Please check and confirm whether the 50-core wire connecting the Lingxin control card and the HUB distribution board is loose or reversed.

5. If the interface definition of your display does not match the provided HUB board, a black screen will also appear. Please recheck for loose jumpers. . Open circuit or short circuit.

If you think you have done ABCD when the signals correspond one-to-one, please double check that the OE signals are connected correctly. (LED strongly recommends that display manufacturers use a product HUB distribution board that matches the interface definition of the display) .