2 How to solve the problem of LED electronic screen Huaping Huaping full-color LED electronic screen does not display a variety of reasons led, here full-color LED electronic screen Huaping how to solve a summary. The need to address issues of common LED Huaping need to do the following five elements: 1, LED electronic screen the video can not display Solution: Check whether the electronic display led lighting power supply is normal, if there is strong 220V AC input 2, LED electronic screen display is not normal, Huaping Solution: (1) LED control card parameter settings are correct, there is no signal is transmitted to the electronic display LED control card; (2) the communication line is normal communication, LED control card Check whether a signal input; (3) LED control Card 5V power supply is normal; 3, the electronic display section Screen display is not normal indoor led display, led signs such as black, Huaping Solution: Look at the display screen body power supply abnormality is working; the signal transmission line fault; Screen single-mode Group fault. A. Output Yes Problem Solution: (1) LED control card parameter settings are correct, there is no signal transmitted to the electronic display LED control card; (2) the communication line is normal communication, LED control card Check whether a signal input; (3) LED control card 5V power supply is normal; led lights | led | Gao Jin photoelectric provided by Jinan Optoelectronics Technology Co., Ltd. Gao Jin. Jinan Gao Jin Optoelectronics Technology Co., Ltd. (www.gjlled.cn) strong, credible, in Jinan, Shandong liquid crystal device industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Gao Jin photoelectric and you hand into the brilliant, for a better future!