LG 32LG40 Training Manual page 46

Main PWB Connectors P900, P901, P500 and P200 Voltage and Resist
Main PWB Connectors P900, P901, P500 and P200 Voltage and Resist
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 Diode Check
*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"
Pin
1.68V 1
3V 2
3V 3 DVDP 3.3V
Gnd 4
5
6
P200 CONNECTOR "Main" Software Download
Pin Label
1 Vcc
2 SCL
3 SDA
4 Gnd
46
Label SBY Run
12V 0V 12.3V
Gnd 0V 0V
3.4V 3.37V
Gnd 0V 0V
Gnd 0V 0V
5V 0V 5.01
SBY Run Diode Check
0V 5V
0V 5V
0V 5V
0V 0V
LCD DV
ance
ance
Diode Check
3V
Gnd
.099V
Gnd
Gnd
0.45V
OL
OL
OL
Gnd
32LG40