| 主权项 |
1. A liquid crystal display (LCD) device control system, comprising:
a control circuit board; a panel comprising a source drive circuit; a scalar circuit board comprising a first chip, and a second chip; a power circuit board comprising a power module that outputs 5V; and a voltage converter; wherein the first chip comprises a first voltage reduction module and a first low-voltage linear voltage regulator, and the second chip comprises a scalar module, a memory module, and a sequence control circuit; wherein the first voltage reduction module is coupled to the power module; on the scalar circuit board, the first voltage reduction module is coupled to the first low-voltage linear voltage regulator, and an auxiliary power end of the sequence control circuit is coupled to the first low-voltage linear voltage regulator; wherein the first voltage reduction module is further coupled to the scalar module, the first low-voltage linear voltage regulator is further coupled to the memory module, and the scalar module, the memory module and the sequence control circuit are integrated into one integrated circuit; wherein the power module further outputs 24V to supply power to the voltage converter; the scalar circuit board further comprises a USB/tuner module supplied by the 5V of the power module, and a loudspeaker module coupled to the 24V of the power module; wherein the control circuit board comprises the boost circuit coupled to the 5V of the power module, and a charge pump module; the boost circuit supplies power to the charge pump module; wherein the panel further comprises a gate drive circuit, and output voltage of the boost circuit is coupled to the source drive circuit; wherein the charge pump module comprises a boost charge pump and a voltage reduction charge pump, and output voltages of both of the boost charge pump and the voltage reduction charge pump are coupled to the gate drive circuit; and wherein the control circuit board is coupled to the scalar circuit board by a flexible flat cable (FFC). |
