LG 50PK950 Training Manual page 112

Control Board LVDS P31 Connector Voltages and Diode Check
Control Board LVDS P31 Connector Voltages and Diode Check
P31 Connector "Control Board" to "Main "P902"
Pin Label
50-51 n/c
49 UART_TXD
48 UART_RXD
47 n/c
46-44 Gnd
*41 TB4+
*40 TB4-
*39 TB3+
*38 TB3-
37 Gnd
36 TBC+
35 TBC-
34 Gnd
*33 TB2+
*32 TB2-
*31 TB1+
*30 TB1-
*29 TB0+
*28 TB0-
26-27 n/c
*25 TA4+
*24 TA4-
Note: There are no voltages in Stand-By mode.
Run Diode Pin
n/c n/c
*23 TA3+
3.29V Open
*22 TA3-
3.29V Open
21 Gnd
n/c n/c
20 TAC+
Gnd Gnd
19 TAC-
1V 1.0V
18 Gnd
1.3V 1.0V
*17 TA2+
1.3V 1.0V
*16 TA2-
1.2V 1.0V
*15 TA1+
Gnd Gnd
*14 TA1-
1.19V 1.0V
*13 TA0+
1.14V 1.0V
*12 TA0-
Gnd Gnd
11 Gnd
1V 1.0V
7-10 n/c
1.1V 1.0V
6 SDA
1.3V 1.0V
5 DISP_EN
1.2V 1.0V
4 SCL
1.1V 1.0V
3 PC_SER_DATA
1.3V 1.0V
2 PC_SER_CLK
n/c n/c
1 Gnd
1.1V 1.0V
1.3V 1.0V
Label Run Diode
1.29V 1.0V
1.22V 1.0V
Gnd Gnd
1.19V 1.0V
1.14V 1.0V
Gnd Gnd
1V 1.0V
1.1V 1.0V
1.3V 1.0V
1.2V 1.0V
1.1V 1.0V
1.3V 1.0V
Gnd Gnd
n/c n/c
3.29V Open
3.3V Open
3.28V Open
3.29V Open
3.3V Open
Gnd Gnd
112 October 2010
Pins 7, 10, 47, 50, 51 are n/c
Pins 1, 11, 18, 21, 34, 37,
44~46 are Ground
1
* Indicates video signal
50PK950 Plasma