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.
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Main board connector
Power connectors (CN101)
CN101
Notes:
CN101-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.
CN101-Pin5: System power on / standby
System board will use this pin to control system power.
CN101-Pin 2: 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
Pin number Signal name
3
4
5
POWER ON/OFF
6
+5VSTB
7
+5V
8
+5V
9
10
GND
11
GND
12
+12V
+12V
BL ON
1
GND
2
BRIGHT
+5V
GND
13
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