LG 50PK950 Training Manual page 147

Main Board Plug P902
Main Board Plug P902
P902"Main Board" Connector to P31 "Control Board"
Pin Label
1-2 n/c
3 UART_TXD
4 UART_RXD
5 n/c
6-10 Gnd
*11 TB4+
*12 TB4-
*13 TB3+
*14 TB3-
15 Gnd
16 TBC+
17 TBC-
18 Gnd
*19 TB2+
*20 TB2-
*21 TB1+
*22 TB1-
*23 TB0+
*24 TB0-
25-26 n/c
*27 TA4+
*28 TA4-
" LVDS " Voltages
" LVDS " Voltages
Run Diode
Pin
n/c n/c *29
3.29V Open *30
3.29V Open 31
n/c n/c 32
Gnd Gnd 33
1V 1.0V 34
1.3V 1.0V *35
1.3V 1.0V *36
1.2V 1.0V *37
Gnd Gnd *38
1.19V 1.0V *39
1.14V 1.0V *40
Gnd Gnd 41
1V 1.0V
42-45
1.1V 1.0V 46
1.3V 1.0V 47
1.2V 1.0V
48
1.1V 1.0V 49
1.3V 1.0V 50
n/c n/c
51
1.1V 1.0V
1.3V 1.0V
Label Run
TA3+ 1.29V
TA3- 1.22V
Gnd Gnd
TAC+ 1.19V
TAC- 1.14V
Gnd Gnd
TA2+ 1V
TA2- 1.1V
TA1+ 1.3V
TA1- 1.2V
TA0+ 1.1V
TA0- 1.3V
Gnd Gnd
n/c n/c
SDA 3.29V
DISP_EN 3.3V
SCL 3.28V
PC_SER_DATA 3.29V
PC_SER_CLK 3.3V
Gnd Gnd
147 October 2010
Voltage and Diode Test for the Main Board
Diode
1.0V
1.0V
Gnd
1.0V
1.0V
Gnd
1.0V
1.0V
1.0V
1.0V
1.0V
1.0V
Gnd
n/c
* Indicates video signal
Open
Open
Note:
Open
There are no voltages in
Open Stand-By mode.
Open
Gnd
Diode Mode Check with the
Board Disconnected.
50PK950
1
1
Plasma