Main Board Plug P703 " Lvds " Voltages - LG 42PJ350 Training Manual

Main Board Plug P703
Main Board Plug P703
P703 "Main Board" Connector to P121 "Control Board"
Pin Label
1 n/c
3 ROM_RX
5 Gnd
7 Gnd
9 Module_SCL1
11 RE2+
13 RD2+
15 RCLK2+
17 RC2+
19 RB2+
21 RA2+
23 PC_SER_CLK
25 DISP_EN
Diode Mode Check with the Board Disconnected.
" LVDS " Voltages
" LVDS " Voltages
Diode
Run Pin
Check
n/c Open 2
3.29V 2.6V 4
Gnd Gnd 6
Gnd Gnd 8
3.29V 2.6V 10
1.29V 0.86V 12
1.31V 0.86V 14
1.26V 0.86V 16
1.23V 0.86V 18
1.31V 0.86V 20
1.37V 0.86V 22
0.59V 1.02V 24
2.79V 0.49V 26
Label Run
n/c n/c
ROM_TX 3.29V
Gnd Gnd
Gnd Gnd
Module_SDA1 3.29V
RE2- 1.19V
RD2- 1.23V
RCLK2- 1.29V
RC2- 1.27V
RB2- 1.18V
RA2- 1.13V
PC_SER_DATA 3.24V
Gnd Gnd
116 August 2010
Voltage and Diode Test for the Main Board
Pin 1 front row right side
Diode
Note: There are no wires
Check
into pins 1 and 2.
Open
2.59V
Blue Pins indicate 10 bit
Gnd
differential video signal
Gnd
Note:
2.6V
There are no voltages in
0.86V
Stand-By mode.
0.86V
0.86V
0.86V
0.86V
0.86V
1.52V
Gnd
42PJ350
1 1
Plasma