Table of Contents
Advertisement
Service Manual
Model No.: HL24XK2
4-2-1 Function Description:
Main Board
Main board connector
Power connectors (CN1)
Pin number
1
2
3
4
5
6
7
Notes:
CN1-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.
System board will use this pin to control system power.
CN1-Pin 4: 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
Keypad and remote connector (CN2,CN3)
CN2
Pin number Signal name
SB5V
1
IR
2
LED_R
3
LED_G
4
GND
5
Speaker Connector (CN4)
Pin number
Signal name
1
L+
2
L-
3
R-
4
R+
14
CN1
Signal name
+12V
+12V
BL
DIM
GND
GND
SW
Pin number
CN3
Signal name
GND
1
AD1
2
AD2
3
Advertisement
Table of Contents
