Haier HL42T Service Manual page 9

Power connector(CNA1)
Pin number Signal name
1 ON/OFF
2 GND
3 5VSB
4 GND
5 GND
6 12V
7 12V
IR connector (CNE1)
Pin number Signal name
1 5V
2 IR
3 G
4 B
5 GND
6 NC
Key connector(CNE2)
Pin number Signal name
1 GND
2 AD0
3 AD1
Backlight control connector(CN1)
Pin number Signal name
1 BKANJ
2 BKEN
3 GND
4 5V
Description
Control the power of system
Ground
Power of TV standby
Ground
Ground
Power of system
Power of system
Description
Supply the Power of bright and IR receiver
Receive IR signal
Show green when TV standby
Show blue when TV working
Ground
NC
Description
Ground
Control Power,CH+,CH-
Control Menu,V+,V-,INPUT
Description
Control the backlight of pannel
The system turn on or turn off the backlight of TFT LCD
Panel through the power supply unit path.
GND
Not use
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