Pin

number

Signal number

 

1

SW

 

2

GND

 

3

+5VSB

 

4

GND

 

5

GND

 

6

+12V

 

7

+12V

Notes"

 

 

CNA 1-Pin 1:System power on / standby

 

System board will use this pin to control system power.

CN1

 

 

Pin

number

Signal number

 

1

Dimming

 

2

ON/OFF

 

3

GND

 

4

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

Page 8
Image 8
Haier HL42XR1 service manual CN1