Haier HL42XR1 Service Manual page 8

Pin number
1
2
3
4
5
6
7
Signal number
SW
GND
+5VSB
GND
GND
+12V
+12V
Notes"
CNA 1-Pin 1:System power on / standby
System board will use this pin to control system power.
CN1
Pin number
1
2
3
4
Signal number
Dimming
ON/OFF
GND
SELECT(NC)
Notes:
CN 1-Pin2: Backlight on/off
The system can turn on or turn off the backlight of TFT LCD Panel through the power
supply unit path.
CN 1-Pinl: 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.
CNA2
Pin number Signal number
1 +24V/16.5V
2 +24V/16.5V
3 GND
4 GND
Remote connector(CNE1)
Pin number Signal number
1 +5VSB
2 IR IN
3 LED RED
4 LED GRE
5 GND
Keypad connector(C NE2)
8