4-2-1. Function Description:
Main Board
Process signal which incept from exterior equipment then translate into signal that panel can display.
4-2-2. Connector definition
Main board connector
Power connectors (CN3, CN5)
CN17
CN17
Pin number
Signal name
Pin number
Signal name
1
+12V
8
Dimming
2
+12V
9
GND
3
GND
10
PWR_ON/OFF
4
+12V
11
NC
5
GND
12
BL_ON/OFF
6
GND
7
+5V_STB
Notes:
CN17-Pin 12: Backlight on/off:
The system can turn on or turn off the backlight of TFT LCD Panel through the power supply
unit path.
CN17-Pin 10: System power on / standby
System board will use this pin to control system power.
CN17-Pin 8: 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
Pin number
Signal name
Description
1
5VS
5V
2
IR-IN
IR
3
LED_R
LAMP RED
4
LED_B
LAMP BLUE
5
GND
GND
Remote connector (CNE1)
Service Manual
Model No.: HL42XLE2
14
Содержание HL32LE2
Страница 10: ...Service Manual Model No HL42XLE2 9 2 2 External pictures four faces Front Side Left Side ...
Страница 11: ...Service Manual Model No HL42XLE2 10 Right Side Back Side ...
Страница 49: ...8 2 3 White balance Color tempreture 8 2 4 Picture Mode Service Manual Model No HL42XLE2 48 ...
Страница 50: ...8 2 5 Audio mode 8 2 6 Aging mode Service Manual Model No HL42XLE2 49 ...
Страница 51: ...8 2 7 Power on mode 8 2 8 Reset to default Service Manual Model No HL42XLE2 50 ...
Страница 52: ...8 2 9 Reset all setting to default Service Manual Model No HL42XLE2 51 ...