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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 (CNA1, CN1)
CNA1
CN1
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:
CN1-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.
CNA1-Pin 1: System power on / standby
System board will use this pin to control system power.
CN1-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
CNE1
CNE2
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.: HLC32K2
14
Содержание HL32K2
Страница 10: ...Service Manual Model No HLC32K2 9 2 2 External pictures four faces Front Side Left Side ...
Страница 11: ...Service Manual Model No HLC32K2 10 Right Side Back Side ...
Страница 47: ...8 2 2 Video Service Manual Model No HLC32K2 46 ...
Страница 48: ...8 2 3 Audio 8 2 4 Picture Mode Service Manual Model No HLC32K2 47 ...
Страница 50: ...8 2 7 Back Light 8 2 8 Mod_Param Service Manual Model No HLC32K2 49 ...
Страница 51: ...8 2 9 Function 8 2 10 Reste to default Service Manual Model No HLC32K2 50 ...
Страница 52: ...Service Manual Model No HLC32K2 51 ...
Страница 54: ...9 2 Power Supply Board Failure Check Service Manual Model No HLC32K2 53 ...