LED display is a product that will be configured in every city, especially in places such as squares, intersections and shopping malls, LED display is a necessary equipment. When many people use the LED display, they ignore the maintenance of the LED display, which leads to many problems in the later stage. Judgment problems must be dealt with first and then second, with obvious and serious problems dealt with first, and minor problems later. Today, YONGS LED display will tell you what to do if there is a problem with the output of the LED display.
1. Check whether the line from the output interface to the signal output IC is connected or short-circuited.
2. Check whether the clock latch signal of the output port is normal.
3. Check whether the cascaded output data port between the last driver IC is connected with the data port of the output interface or is short-circuited.
4. Whether the output signals are short-circuited with each other or short-circuited to the ground.
5. Check whether the output cable is good.
