LG 47LX9500, Service Manual

Page: 102 / 122

September LCD TV 47LX9500
102
Main Board Connector P7800 to T
Main Board Connector P7800 to T
-
-
CON/3D P802 Voltage and Diode Check
CON/3D P802 Voltage and Diode Check
There are no Stand-By Voltages for the Connector
Diode Mode values taken with all Connectors Removed
P7800 Connector “Main" to “T-CON/3D“ P802
Gnd Gnd
Gnd 51
Gnd Gnd
Gnd 34
1.15V 1.16V
RRXBCK- 17
Open 0.03V
*3D_Sync_Out 50
1.15V 1.16V
RRXACK- 33
0.97V 1.2V
16
0.998V 3.33V
V_SYNC 49
0.97V 1.2V
32
Gnd Gnd
Gnd 15
1.04V 3.34V
SDA3_3.3V 48
Gnd Gnd
Gnd 31
1.15V 1.22V
RRXB3- 14
1.04V 3.34V
SCL3_3.3V 47
1.15V 1.2V
RRXA3- 30
0.97V 1.14V
RRXB3+ 13
Open 3.32V
FRC_RESET 46
0.97V 1.14V
RRXA3+ 29
1.15V 1.26V
RRXB4- 12
n/c n/c
n/c 45
1.15V 1.26V
RRXA4- 28
0.97V 1.09V
RRXB4+ 11
Open 0V
3DTV 44
0.97V 1.08V
RRXA4+ 27
Gnd Gnd
Gnd 10
1.03V 0V
3D_DIM 43
Gnd Gnd
Gnd 26
Gnd Gnd
Gnd 9
1.03V 0.05V
3D_DIM_2 42
n/c n/c
n/c 25
Gnd Gnd
Gnd 8
n/c n/c
n/c 41
1.15V 1.19V
RRXB0- 24
Gnd Gnd
Gnd 7
1.15V 1.17V
RRXA0- 40
0.97V 1.19V
RRXB0+ 23
Gnd Gnd
Gnd 6
0.97V 1.19V
RRXA0+ 39
1.15V 1.19V
RRXB1- 22
n/c n/c
n/c 5
1.15V 1.19V
RRXA1- 38
0.97V 1.16V
RRXB1+ 21
Open
11.59V PANEL_VCC 4
0.97V 1.17V
RRXA1+ 37
1.15V 1.2V
RRXB2- 20
Open
11.59V PANEL_VCC 3
1.15V 1.22V
RRXA2- 36
0.97V 1.14V
RRXB2+ 19
Open
11.59V PANEL_VCC 2
0.97V 1.14V
RRXA2+ 35
Gnd Gnd
Gnd 18
Open
11.59V PANEL_VCC 1
Diode Check Run Label Pin Diode Check Run Label Pin Diode Check Run Label Pin
5.5V p/p 60 Hz
3D-Sync
*Pin 50 Only active when a 3D
source is played. (1.63V)