LCD module DC power supply output voltage automatic compensation device

The utility model relates to a LCD module DC power supply output voltage automatic compensation device, the power configuration signal output part of its LCD module DC power supply configuration module connects LCD module DC power supply output module's signal input part, LCD module DC power supply output module's voltage signal sampling end is connected to the voltage signal sampling end of voltage sample module, the signal output part of voltage sample module connects the voltage sample signal input part of singlechip, standard voltage value setting module's signal output part connects the standard voltage signal input part of singlechip, the voltage feedback calibration signal output part of singlechip connects the voltage feedback calibration signal input part of LCD module DC power supply configuration module. The utility model discloses a when making LCD module carry out some screen test, can compensate in real time the LCD module power, guarantee that the LCD module power under any circumstance all keeps in the setting value.