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Main Board：
Process signal which incept from exterior equipment，then translate into signal that panel can display.
3.2.2 Connector definition
Main board connector
Power connectors(CN3,CN5)
CN3
Pin number
Signal name
1
+12VEXT
2
+12VEXT
3
BLON
4
ADJ
5
GND
6
GND
7
PWR-ON
Notes:
CN3-Pin 3: Backlight on/off:
The system can turn on or turn off the backlight of TFT LCD Panel through the power supply unit path.
CN3-Pin 7: System power on / standby
System board will use this pin to control system power.
CN3-Pin 4: Control the luminance of backlight
The system can generate the PWN signal to control the strength of TFT LCD Panel's backlight through
this connector.
TFT LCD Panel(LVDS) Connector(CN4)
Pin number
1-3
4-6
7
8
Signal name
Power
GND
RXE0-
RXE0+
CN5
Pin number
1
2
3
4
5
Description
Power for panel
Ground
LVDS EVEN 0 - Signal
LVDS EVEN 0 + Signal
9
Signal name
+12V
GND
GND
+5V
STB
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