Integrated control unit of LED display screen

The utility model discloses an integrated control unit of an LED (Light Emitting Diode) display screen. The integrated control unit comprises a computer host, a video processor, an LED signal sending card, a power source and a power amplifier, and also a case; the computer host, the video processor, the LED signal sending card, the power source and the power amplifier are arranged in the case, wherein the video processor is composed of a video processing mainboard, a keyboard and an interface board, all of which are independent of each other; the power amplifier comprises a post power amplifier board and a pre-power amplifier board; the power source is connected with the computer host, the video processing mainboard, the LED signal sending card and the post power amplifier board simultaneously; the video processing main board is connected with the interface board, the keyboard, the LED signal sending card, the computer processor and the pre-power amplifier board simultaneously; all the devices are integrated