| 摘要 |
PROBLEM TO BE SOLVED: To provide a circuit board to be mounted on a liquid crystal display device and simplifying wiring connected to the device outside the liquid crystal display device or other modules inside. SOLUTION: The circuit board has a first connector, a second connector, and a timing controller. The first connector receives a video signal from the outside. The second connector is separated from the first connector and receives a power supply voltage from the outside. The timing controller receives the video signal from the first connector and receives the power supply voltage from the second connector. The timing controller processes the video signal by using the power supply voltage and outputs the signal to a liquid crystal panel. The first connector is connected to an external device by a transmission cable. The transmission cable preferably includes a main link transmitting the video signal and a voice signal, and an auxiliary channel transmitting a control signal pursuant to MCCS. COPYRIGHT: (C)2009,JPO&INPIT
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