LG 42LH90 Manual page 79

Main Board Connector P3502 to the T
Main Board Connector P3502 to the T
P3502 CONNECTOR "Main" to "T-CON" CN2
Pin Label
1 Gnd
2 Gnd
3 LVDS_CH4_E+
4 LVDS_CH4_E-
5 LVDS_CH4_D+
6 LVDS_CH4_D-
7 Gnd
8
LVDS_CH4_CLK+
9
LVDS_CH4_CLK-
10 Gnd
11
LVDS_CH4_C+
12
LVDS_CH4_C-
13 LVDS_CH4_B+
14 LVDS_CH4_B-
15 LVDS_CH4_A+
16 LVDS_CH4_A-
17 Gnd
18 Gnd
19
LVDS_CH3_E+
20
LVDS_CH3_E-
Run Diode Test Pin
Gnd Gnd
21
Gnd Gnd 22
1.15V 1.18V 23
1.4V 1.24V 24
1.25V 0.87V 25
1.3V 1.12V 26
Gnd Gnd 27
1.29V 1.22V 28
1.3V 1.23V 29
Gnd Gnd 30
1.2V 0.87V 31
1.3V 0.87V 32
1.3V 1.23V 33
1.29V 0.87V 34
1.25V 1.23V 35
1.29V 0.87V 36
Gnd Gnd 37
Gnd Gnd 38
1.18V 1.08V 39
1.13V 1.07V 40
41
- CON Voltage and Diode Check
- CON Voltage and Diode Check
Diode Mode values taken with all Connectors Removed
Label Run Diode Test
LVDS_CH3_D+ 1.2V 1.2V
LVDS_CH3_D- 1.3V 1.23V
Gnd Gnd Gnd
LVDS_CH3_CLK+ 1.3V 0.87V
LVDS_CH3_CLK- 1.23V 0.87V
Gnd Gnd Gnd
LVDS_CH3_C+ 1.2V 1.03V
1.3V 0.87V
LVDS_CH3_C-
1.2V 0.87V
LVDS_CH3_B+
1.3V 1.23V
LVDS_CH3_B-
1.2V 1.20V
LVDS_CH3_A+
1.28V 0.87V
LVDS_CH3_A-
Gnd Gnd Gnd
n/c n/c n/c
n/c n/c n/c
n/c n/c n/c
n/c n/c n/c
n/c n/c n/c
n/c n/c n/c
n/c n/c n/c
Gnd Gnd Gnd
79 February 2010
P3502
1
LCD DV 42LH90