LG 32LG40 Training Manual page 46

Main Board Connectors P900, P901, P500 and P200 Voltage and Diod
Main Board Connectors P900, P901, P500 and P200 Voltage and Diod
P900 Connector "Main" to P402 "DVD Player"
Pin Label
1 Disk-Enable
2 DVDP-RXD
3 DVDP-TXD
4 Gnd
*Pin 1: 3.4V with No Disc and 0V with Disc inserted
P500 Connector "Main" to "Speakers"
Pin Label
1 R+
2 R-
3 L+
4 L-
Resistance taken in Diode Mode with Connectors Removed
SBY Run
*3.4V *3.4V
0.7V 3.08V
0.7V 3.4V
Gnd 0V
SBY Run Diode Check
0V 8.14V 2.78V
0V 8.14V 2.78V
0V 8.15V 2.78V
0V 8.15V 2.78V
P901 Connector "Main" to CN400 "DVD Player"
Diode Check Pin
1.68V 1
3V 2
3V 3
Gnd 4
5
6
P200 Connector "Main" Software Download
Pin Label
1
2
3 SDA
4
46
Label SBY
12V 0V
Gnd 0V
DVDP 3.3V 3.4V
Gnd 0V
Gnd 0V
5V 0V
SBY Run
Vcc 0V 5V
SCL 0V 5V
0V 5V
Gnd 0V 0V
LCD DV August 2008 32LG40
e Check
e Check
Run Diode Check
12.3V 3V
0V Gnd
3.37V .099V
0V Gnd
0V Gnd
5.01 0.45V
Diode Check
OL
OL
OL
Gnd