Main Board I/O Connections - LG 42LV4400 Service Manual

Chapter 6
J4 C [Main BD to Power BD]
ONNECTION
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
J9 C [Main BD to LED Logo]
ONNECTION
Pin
1
2
3
J14C [Main BD to IR Light Sensor BD]
ONNECTION
Pin
1
2
3
4
5
6 LIGHT_SENSOR_DETECT
CONFIDENTIAL – DO NOT COPY

Main Board I/O Connections

Description
+5VSB
+5VSB
+5VSB
GND
GND
GND
GND
+12V
+12V
+12V
POWER SW ON OFF
BL ON OFF
Lamp Status
PWM DIM
Description
5VSB
NC
WHITE
Description
OIRI_in
IR_POWER
GND
LS_SCL
LS_SDA
Page 6-1
File No. SG-0000034