LG 42PQ20 Training Manual page 108

Main PWB Plug P1002
Main PWB Plug P1002
Voltage and Resistance Measurements for the Main Board
P1002 CONNECTOR "Main" Odd Pins to P121 "Control PWB"
Pin SBY
1 0V
3 0V
5 Gnd
7 Gnd
9 0V
11 0V
13 0V
15 0V
17 0V
19 0V
21 0V
23 0V
25 0V
Resistance Readings with the PWB Disconnected. DVM in the Diode mode.
" LVDS " Resistance
" LVDS " Resistance
Run Diode Mode
0V Open
3.29V 2.49V
Gnd Gnd
Gnd Gnd
3.29V 2.49V
1.25V 0.85V
1.25V 0.85V
1.27V 0.77V
1.22V 0.77V
1.24V 0.77V
1.24V 0.85V
0.58V 1.01V
2.81V 0.49V
Note: P1002 Only uses
first 26 Pins of the plug.
P1002 CONNECTOR "Main" Even Pins to P121 "Control PWB"
Pin SBY
2 0V
4 0V
6 Gnd
8 Gnd
10 0V
12 0V
14 0V
16 0V
18 0V
20 0V
22 0V
24 0V
26 Gnd
108 January 2009 Plasma
Run Diode Mode
0V Open
3.28V 2.49V
Gnd Gnd
Gnd Gnd
3.29V 2.44V
1.21V 0.77V
1.21V 0.85V
1.21V 0.91V
1.25V 0.81V
1.21V 0.85V
1.18V 0.77V
3.29V 1.3V
Gnd Gnd
42PQ20