LG 50PV450 Manual page 53

P813 SMPS Connector P813 SMPS Connector Identification
P813 Connector "SMPS" to "Main" P500
Pin Label
e
18 Auto_Gnd
b
17 M_ON
a d d
16 AC Det
a
15 RL_ON
13-14 STBY_5V
9-12 9 12 G d Gnd
a c
8 Error_Det
a
5-7
3 4 3-4 Gnd Gnd
a
1_2
a Note: The RL_On command turns on the 17V, +5V, Error_Det and AC_DET.
b Note: The M-On command turns on M5V, Va and Vs. b Note: The M On command turns on M5V, Va and Vs.
c Note: The Error Det line is not used in this model.
d Note: AC Det if missing, the TV will attempt to turn on, but shut off.
e Note: Pin 18 is grounded on the Main. If opened, the power
supply turns on automatically.
Diode Mode Readings taken with all connectors Disconnected. DVM in Diode Mode.
Identification, Voltages and Diode Check
STBY Run
Gnd Gnd
0V 3.28V
0V 4.06V
0V 3.28V
3.47V 5.14V
Gnd G d Gnd G d
3.44V 4.02V
5.1V 0.46V 5.17V
Gnd Gnd Gnd Gnd
17V 0V 17V
, Voltages and Diode Check
No Load Diode
4.86V Open
0V Open
4.94V 3.1V
0V Open
4.94V 2.53V
G d Gnd Gnd G d
4.94V 2.84V
5.22V 2.13V
Gnd Gnd Gnd Gnd
17V 3.06V
53
P813
5V 17V
1
Note: This connector has two
rows of pins.
Odd on top row.
May 201 1 50PV450 Plasma