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3-2-1 Function Description:
Main Board
Process signal which incept from exterior equipment then translate into signal that panel
can display.
3-2-2 Connector defnition
Main board connector
Power connectors (J15
Notes:
J15-Pin 2: Backlight on/off:
The system c an t urn o n or turn o ff t he backlight of T FT L CD P anel t hrough t he power
supply unit path.
System board will use this pin to control system power.
J15-Pin 3: Control the luminance of backlight
The system can generate the P WM s ignal to control the strength of T FT LCD Panel's
backlight through this connector
J15
Pin number
Signal name
1
GND
2
BL-ADJUST
3
+5V
4
+5V
5
POWER ON/OFF
6
+5VSTB
7
+5V
8
+5V
9
GND
10
GND
11
GND
12
+12V
13
+12V
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