LCD TV has three boards, one is fixed on the back of LCD panel, and the shield of panel is called driving board. One is fixed on the back fixed column of the liquid crystal panel. There is a screen line connecting the drive board called the decoding board. One is the power board, which is mainly used to power the TV, not much is said
The decoding board decodes the external port video into RGB signals. For different AV / VGA / HDMI / USB / DVB and other external video signals, the decoding board decodes them into RGB signals and transfers them to the driver board through the screen cable!
The drive board converts the RGB signal of the decoding board into each pixel signal to the LCD panel, so that the LCD panel displays the video signal
Power supply board is to supply power to drive board and decoding board. There is also backlight power supply for the LCD panel.