No matter what kind of electronic equipment it is, no one can guarantee that it will not fail. The same is true for LED displays. After a long time of use, various problems may occur. A lot of failure problems, just a little inspection on it. Today, YONGS LED display will talk about how to deal with the output problem.
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.
