LG 42LH40 Manual page 52

Main PWB Connector P1401 to the Panel Voltage and Resistance
Main PWB Connector P1401 to the Panel Voltage and Resistance
P1401 CONNECTOR "Main" to "The Panel"
Pin Label
1 Gnd Gnd
2 LTD_R 8.9V
3 VDD 16.55V
4 VDD 16.55V
5 VDD 16.55V
6 Gnd Gnd
7 VCC 3.3V
8 VCC 3.3V
9 Gnd Gnd
10 GMA1 14V
11 GMA2 16V
12 GMA3 14V
13 GMA4 13.4V
14 GMA5 12.3V
15 GMA6 11.2V
16 GMA7 10.4V
17 GMA9 8.45V
18 GOE 0.6V
19 GSP_Rev 0V
20 GSC 1.6V
Diode
Run Pin
Test
Gnd 21
Open 22
2.0V
23
24
2.0V
25
2.0V
26
Gnd
27
1.6V
28
1.6V
29
Gnd
30
2.0V
31
1.4V
32
1.36V
33
2.0V
34
2.0V
35
1.4V
36
2.0V
37
2.0V
38
1.3V
39
1.3V
40
1.3V
Diode Mode values taken with all Connectors Removed
Diode
Label Run
Test
H_CONV OV Open
GSP OV 1.3V
POL 1.62V 1.3V
SOE 0.2V 1.5V
Gnd Gnd Gnd
RMLV8N 1.2V 0.89V
RMLV8P 1.25V 1.3V
RMLV7N 1.19V 1.3V
RMLV7P 1.21V 1.3V
RMLV6N 1.2V 1.3V
RMLV6P 1.2V 1.3V
RMLV5N 1.19V 1.3V
RMLV5P 1.25V 1.3V
RMCLKN 1.25V 1.3V
RMCLKP 1.23V 1.3V
RMLV3N 1.21V 1.3V
RMLV3P 1.26V 1.3V
RMLV2N 1.19V 1.3V
RMLV2P 1.26V 1.3V
RMLV1N 1.22V 1.3V
52
Pin Label Run
41 RMLV1P 1.25V
42 RMLON 1.20V
43 RMLOP 1.26V
44 Gnd Gnd
45 OPT_N 3.23V
46 OPT_P OV
47 GMA10 7.93V
48 GMA12 6V
49 GMA13 5.18V
50 GMA14 4.86V
51 GMA15 3V
52 GMA16 2.3V
53 GMA17 1.3V
54 GMA18 2.3V
55 VCOM_R 7V
56 n/c n/c
57 VGH 26V
58 Gnd Gnd
59 VGL (-5V)
60 Gnd Gnd
July 2009 LCD DV
Diode
Test
1.3V
1.3V
1.3V
Gnd
1.31V
0.9V
1.4V
2.0V
1.5V
1.4V
2.0V
1.4V
1.4V
2.0V
2.0V
n/c
Open
Gnd
0.925V
Gnd
42LH40