4-2-1 Function Description:
Main Board
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Main board connector
Power connectors (CN1)
CN1
Pin number
Signal name
1
+12V
2
+12V
3
BL
4
DIM
5
GND
6
GND
7
SW
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
CN2
CN3
Pin number Signal name
Pin number
Signal name
1
SB5V
1
GND
2
IR
2
AD1
3
LED_R
3
AD2
4
LED_G
5
GND
Keypad and remote connector (CN2,CN3)
Service Manual
Model No.: HLC24XSLW2a
14
Speaker Connector (CN4)
Pin number
Signal name
1
L+
2
L-
3
R-
4
R+
DVD Audio Connector (CN8)
Pin
number
Signal name
Description
1 DVD_L_IN
Left
track
2 DVD_R_IN
Right
track
3 GND
Ground
Summary of Contents for HLC24XSLW2
Page 10: ...Service Manual 9 2 2 External pictures four faces Front Side Left Side Model No HLC24XSLW2a ...
Page 11: ...Service Manual Model No HLC24XSLW2a 10 Right Side Back Side ...
Page 18: ...Service Manual 17 Panle LVDS Connector CNC4 Model No HLC24XSLW2a ...
Page 28: ...Service Manual 7 3 Wiring Connection Diagram 27 Model No HLC24XSLW2a ...
Page 29: ...28 Service Manual Model No HLC24XSLW2a ...
Page 30: ...Service Manual 29 Model No HLC24XSLW2a ...
Page 31: ...30 Service Manual Model No HLC24XSLW2a ...
Page 32: ...Service Manual 31 Model No HLC24XSLW2a ...
Page 33: ...32 Service Manual Model No HLC24XSLW2a ...