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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)
14
Speaker Connector (CN4)
Pin number
Signal name
1
L+
2
L-
3
R-
4
R+
Service Manual
Model No.:HL24XSLW2a
Summary of Contents for HL24XSLW2
Page 10: ...Service Manual Model No HL22XSLW2a 9 2 2 External pictures four faces Front Side Left Side ...
Page 11: ...10 Right Side Back Side Service Manual Model No HL24XSLW2a ...
Page 18: ...Service Manual Model No HL24XSLW2a 17 Panle LVDS Connector CNC4 ...
Page 28: ...Service Manual Model No HL24XSLW2a 7 3 Wiring Connection Diagram 27 ...
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Page 49: ...9 2 Power Supply Board Failure Check 48 Service Manual Model No HL24XSLW2a ...