Haier HLC22RW Service Manual page 8

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 definition
Main board connector
Power connectors (CN3, CN5)
CN3
Pin number
1
2
3
4
5
6
7
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
Signal name
+12V
+12V
BL
DIM
GND
GND
SW
Pin number
1
2
3
4
5
8
CN5
Signal name
+12V
GND
GND
+5V
STB