LG 50PS60 Training Manual page 48

P814 Pins ID, Voltages and Diode Mode Measurements for the SMPS
P814 Pins ID, Voltages and Diode Mode Measurements for the SMPS
P814 CONNECTOR "SMPS" to "Main PWB" P1006
Pin Label
1* 17V
3 Gnd
5 12V
7 Gnd
9 +5V
11 Stby 5V
13 Gnd
15 Gnd
17* 5V Det
19 RL On
21 M5 ON
23 Stby 5V
* Pin 1 and 2: 17V If Vs is unloaded will pulsate.
Turned on by Vs On Command.
* Pin 17: 5V Det not used.
Diode Mode Readings taken with all connectors Disconnected.
Black lead on Gnd. DVM in Diode Mode.
STBY Run Diode Mode
0V 17.3V
Gnd Gnd
0V 12V
Gnd Gnd
0V 5.15V
5.15V 5.15V
Gnd Gnd
Gnd Gnd
0V 4.8V
0V 3.3V
0V 3.3V
5V 5V
* Pins 9, 10, 12: (+5V) Turned on by Relay On Command.
Pin
2*
2.2V
Gnd 4
Open 6
8
Gnd
10
1.2V
12
Open
14
Gnd
Gnd 16
18* AC Det
1.45V
20 VS On
Open
22 Auto Gnd
Open
24* Key On
Open
* Pin 18: AC DET if missing will cause the set to turn
off after 10 seconds.
* Pin 24: When the Power Button is opened,
• Pin 24 pulls up to 4.3V.
• Stand-By
47
Label STBY Run
17V 0V 17.3V
Gnd Gnd Gnd
12V 0V 12V
Gnd Gnd Gnd
+5V 0V 5.15V
+5V 0V 5.15V
Gnd Gnd Gnd
n/c n/c n/c
5V 5V
0V 3.2V
Gnd Gnd
*0V *0V
5V turns off. AC-Det remains.
Fall 2009 1080P Plasma 50PS60
Diode Mode
2.2V
Gnd
Open
Gnd
1.2V
1.2V
Gnd
n/c
1.45V
Open
Open
Open