LG 50PQ30 Training Manual page 41

Connector P813 Identification, Voltages and Diode Check
Connector P813 Identification, Voltages and Diode Check
P813 CONNECTOR "SMPS" to "Main" P1006
Pin Label
a
1 17V
3 Gnd
b
5 12V
7 Gnd
b
9 5V
b
11 5V
13 Gnd
15 Gnd
17 5V Det
19 RL On
21 M5 ON
23 Stby 5V
a
Note: The 17V turns on when the
VS On command arrives.
b
Note: The 5V/12V turns on when the
RL On command arrives.
Diode Mode Readings taken with all connectors Disconnected. DVM in Diode Mode.
STBY Run Diode Mode
0V 17.3V
Gnd Gnd
0V 12V
Gnd Gnd
5V 5V
5V 5V
Gnd Gnd
Gnd Gnd
.15V 5V
0V 3.73V
0V 3.24V
5V 5V
Pin
2
2.2V
Gnd 4
Open 6
8
Gnd
10
1.1V
12 Stby 5V
1.1V
Gnd 14
Gnd 16
18 AC Det
Open
20 VS On
Open
22
Open Auto Gnd
c
24 Key On
Open
c Note: If the Key On line is 4.39V, the
Main Power Switch is open.
Stand-By 5V will shut off.
41
Label STBY Run
a
17V 0V 17.3V
Gnd Gnd Gnd
b
12V 0V 12V
Gnd Gnd Gnd
b
5V 5V
5V
Gnd Gnd Gnd
Gnd Gnd Gnd
5V
0V 3.2V
Gnd Gnd
0V
November 2009 50PQ30 Plasma
Diode Mode
2.2V
Gnd
Open
Gnd
5V 1.1V
5V 1.13V
Gnd
Not Used
5V Open
Open
Open
0V Open