LG 42PW350 - P1401 Main Board LVDS Video Signal Test Points; LVDS Video Signal Waveforms

P1401 Main Board LVDS Video Signal Test Points
Waveforms Taken from P1401 pins 11 and 12, but there
are actuall
y
20
p
ins carr
y
in
g
video.
P106
Control
P1401
Main
Pin Pin
y
pyg
Input Signal SMPT Color Bar. 20mV per/div.
Pin 11 5mSec per/div 100mV p/p Pin 12 5mSec per/div 100mV p/p
P1401
51 1
50 2 3D-Sync
49 3 TXD
48 4 RXD
47 5
46 6
45 7
44 8
43 9
42
10
c
42
10
41 11 Video
40 12 Video
39 13 Video
38 14 Video
37 15
36 16 CLK
35 17 CLK
34 18
33 19 Video
Pin 11 2mSec per/div 100mV p/p
Pin 12 2mSec per/div 100mV p/p
The rest of the Waveforms are very
similar in appearance and Peak to Peak.
32 20 Video
31 21 Video
30 22 Video
29 23 Video
28 24 Video
27 25
26 26
25 27 Video
24 28 Video
23
29
Video
Main Board
Note1: The Control Board has Test
Points that make taking measurements
easier to take.
Note2: The Control Board pins are
23
29
Video
22 30 Video
21 31
20 32 CLK
19 33 CLK
18 34
17 35 Video
16 36 Video
15 37 Video
14 38 Video
Main
Board
P1401 Location
Note2:
The
Control
Board
pins
are
reversed from the Main Board. Pin 1 is
at the bottom of P106 connector. Use
the table on the left.
Note3: Use the VS DA Test Point and
13 39 Video
12 40 Video
11 41
10 42
943
844
745
646
5 47 Disp_En
4
48
June 2011 42PW350 Plasma
152
Note3:
Use
the
VS
_
DA
Test
Point
and
external trigger to help lock the scope
onto the video waveforms.
4
48
349
250
151