4-2-1 Function Description:
Main Board
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Main board connector
Power connectors (CN3, CN5)
CNA2
CNE5
Pin number
Signal name
Pin number
Signal name
1
SW
1
DIMMING
2
GND
2
ON/OFF
3
+5VSB
3
GND
4
GND
4
SELECT
5
GND
6
+12V
7
+12V
Notes:
CNE5-Pin 2: Backlight on/off:
The system can turn on or turn off the backlight of TFT LCD Panel through the power supply
unit path.
CNA2-Pin 1: System power on / standby
System board will use this pin to control system power.
CNE5-Pin 1: 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
CNE2
CNE3
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 (CNE1,CNE2)
Service Manual
Model No.: HL40XP1
14
Summary of Contents for HL40XP1
Page 10: ...Service Manual Model No HL40XP1 9 2 2 External pictures four faces Front Side Left Side ...
Page 11: ...Service Manual Model No HL40XP1 10 Right Side Back Side ...
Page 18: ...4 4 1 Function Description Display the signal Service Manual Model No HL40XP1 17 ...
Page 19: ...Service Manual Model No HL40XP1 18 ...
Page 49: ...8 2 2 Auto Color Service Manual Model No HL40XP1 48 ...
Page 50: ...8 2 3 Whinte Balance Color Temp 8 2 4 Picture Mode Service Manual Model No HL40XP1 49 ...
Page 52: ...8 2 7 Aging Mode 8 2 8 Power On Mode Service Manual Model No HL40XP1 51 ...
Page 53: ...8 2 9 Camma Table 8 2 10 Reste to default Service Manual Model No HL40XP1 52 ...
Page 54: ...8 2 11 Reset all setting to default Service Manual Model No HL40XP1 53 ...
Page 56: ...9 2 Power Supply Board Failure Check Service Manual Model No HL40XP1 55 ...
