Function Description - Haier 48D3500 Service Manual

Service Manual
Model No.:

3-2-1 Function Description:

Main Board
Process signal which incept from exterior equipment then translate into signal that panel
can display.
Main board connector
Power connectors (J 16)
Notes:
J 16-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.
J 16-Pin 6: System power on / standby
System board will use this pin to control system power.
J 16-Pin 2: 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
1
2
3
BRIGHT
4
5
6
7
8
9
10
11
12
13
- 09 -
J16
Signal name
GND
BL-ADJUST
BL-ON/OFF
+5V
POWER ON/OFF
+5VSTB
+5V
+5V
GND
GND
GND
+12V
+12V