Service Manual
Model No.:
- 09 -
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 de
fi
nition
Main board connector
Power connectors (J10, J2)
J10
J2
Pin number
Signal name
Pin number
Signal name
1
+5V
1
GND
2
BL
2
GND
3
DIM
3
+5V
4
high voltage
4
+5V
5
GND
5
POWER ON/OFF
6
+5VSTB
7
+5V
8
+5V
9
GND
10
GND
11
GND
12
+12V
13
+12V
Notes:
J10-Pin 2: Backlight on/off:
The system can turn on or turn off the backlight of TFT LCD Panel through the power
supply unit path.
J2-Pin 5: System power on / standby
System board will use this pin to control system power.
J10-Pin 3: 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