Haier LE26B13200b Service Manual page 10

3-2-1 Function Description:
Main Board
Process signal which incept from exterior equipment then translate into signal that panel
can display.
3-2-2 Connector defnition
Main board connector
Power connectors (J15
J16
Pin number
1
2
BL-ON/OFF
BL-ADJUST
3
4
5
Notes:
J16-Pin 2: Backlight on/off:
The system c an t urn o n or turn o ff t he backlight of T FT L CD P anel t hrough t he power
supply unit path.
System board will use this pin to control system power.
J16-Pin 3: Control the luminance of backlight
The system can generate the P WM s ignal to control the strength of T FT LCD Panel's
backlight through this connector
J16
Pin number
Signal name
1
+5V
2
3
4
+5V
5
GND
6
7
8
9
10
11
12
13
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J15
Signal name
GND
GND
+5V
+5V
POWER ON/OFF
+5VSTB
+5V
+5V
GND
GND
GND
+12V
+12V