Smps Connector P813 Identification, Voltages And Diode Check - LG 42PJ350 Training Manual

SMPS Connector P813 Identification, Voltages and Diode Check

SMPS Connector P813 Identification, Voltages and Diode Check
P813 Connector "SMPS" to "Main" P301
Pin Label
a
1~2 17V
3~4 Gnd
5~7 5V
c
8 Error_Det
9~12 Gnd
13~14 STBY_5V
15 RL_ON
d
16 AC Det
b
17 M_ON
e
18 Auto_Gnd
a
Note: The 17V, 5V, AC_Det and Error Det turn on when the RL_On command arrives.
b
Note: The M5V, Va and Vs turn on when the M_On (Monitor On) command arrives.
c
Note: The Error Det line is not used in this model.
d
Note: If the AC Det line is Missing, the TV will shut off after 10 seconds of operation.
e
Note: Pin 18 is grounded on the Main board. If this line is floated, the SMPS turns on
Automatically when AC is applied.
Diode Mode Readings taken with all connectors Disconnected. DVM in Diode Mode.
STBY Run No Load
0V 16.8V
Gnd Gnd
0.47V 5.24V
2.88V 4.93V
Gnd Gnd
3.49V 5.23V
0V 2.43V
0V 4.45V
0V 3.27V
Gnd Gnd
Diode
16.79V Open
Gnd Gnd
5.25V 1.29V
4.91V 2.96V
Gnd Gnd
5.25V 2.43V
0.0V Open
4.93V 2.95V
0.0V Open
4.84V 2.34V
42 August 2010
P813
1
Note: This connector has two
rows of pins.
Odd on bottom row.
42PJ350 Plasma