LG 32LG40 Training Manual page 33

lCD DRIvER vOlTAGES
Use P902 on the Main board for making voltage, resistance, and waveform checks.
Pin Label Stby Run Diode Check
1 LVDS 12V 0V 12.3V
3 LVDS 12V 0V 12.3V
5 Gnd 0V
7 Gnd 0V
9 Gnd 0V
11 LVDS 0V
13 LVDS 0V
15 LVDS 0V
17 LVDS 0V 1.08V
19 LVDS 0V 1.14V
21 n/c 0V
23 n/c 0V
25 Size Sel 0.4V 3.07V
CN1 "LCD Drvier" to P902 "Main"
OL
OL
0V Gnd
0V Gnd
0V Gnd
1.2V 0.98V
1.2V 1.11V
1.1V 1.06V
1.11V
1.11V
n/c OL
n/c Gnd
3V
CIRCUIT DeSCRIPTIONS
Pin Label Stby Run Diode Check
2 LVDS 12V 0V 12.3V
4 LVDS 12V 0V 12.3V
6 Gnd 0V 0V
8 Gnd 0V 0V
10 Gnd 0V 0V
12 LVDS 0V 1.1V
14 LVDS 0V 1.05V
16 LVDS 0V 1.09V
18 LVDS 0V 1.13V
20 LVDS 0V 1.06V
22 n/c 0V n/c
24 n/c 0V n/c
26 Gnd 0V 0V
OL
OL
Gnd
Gnd
Gnd
0.98V
1.06V
1.05V
1.06V
1.06V
OL
OL
Gnd
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Fall 2008 LCD Training Fall 2008 LCD Training
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