Power Board - Insignia NS-LCD40HD-09 Service Manual

Pin number Signal name
1 GND
2 AD0
3 AD1
Backlight control connector(CN22)
Pin number Signal name
1 BKANJ
2 BKEN
3 GND
4 5V
LVDS Signal connector(CN23)
Pin number Signal name
1 LVDS VDD
2 LVDS VDD
3 LVDS VDD
4 LVDS VDD
5 Not use
6 Not use
7 GND
8 GND
Pin number Signal name
25 A3P
26 A3N
27 GND
28 GND
29 Not use
30 Not use
AMP connector(CN20)
Pin number Signal name
1 18V
2 18V
3 GND
4 GND
Speaker connector(CN21)
Pin number Signal name
1 L-
2 L+
3 R-
4 R+
Description
Ground
Control Power,CH+,CH-
Control Menu,V+,V-,INPUT
Description
Control the backlight of pannel
The system turn on or turn off the backlight of TFT LCD
Panel through the power supply unit path.
GND
Not use
Pin number Signal name
9 Not use
10 Not use
11 Not use
12 Not use
13 A0P
14 A0N
15 GND
16 LVDS_SEL
Description
Power of Audio power amp
Power of Audio power amp
Ground
Ground

3.3 Power Board

3.3.1 Function Description:
10
Pin number Signal name
17 A1P
18 A1N
19 A2P
20 A2N
21 GND
22 GND
23 CK1P
24 CK1N