LG RZ-15LA70 Service Manual - Page 11
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VIDEO SYNC TIMING CHART D C A E B > Mode 1 2 3 4 5 6 7 H/V Sync Dot Sort Polarity Clock Frequency Total Period Video Active Time (E) (A) H+ 31.468 800 640 25.175 V- 70.090 449 350 H - 28.324 31.469 900 720 V+ 70.082 449 400 H- 31.469 800 640 25.175 V- 59.94 525 480 H- 31.5 37.5 840 640 V- 75 500 480 H+ 37.879 1056 800 40.0 V+ 60.317 628 600 H+ 46.875 1056 800 49.5 V+ 75.0 625 600 H- V- 65.0 48.363 60.004 1344 806 1024 768 Front Porch (B) 16 37 18 13 16 10 16 1 40 1 16 1 24 3 Sync Duration (D) 96 2 108 2 96 2 64 3 128 4 80 3 136 6 Back Porch (F) 48 60 54 34 48 33 120 16 88 23 160 21 160 21 Resolution 640x350 720x400 640x480 800x600 800x600 800x600 1024x768
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TIMING CHART
VIDEO
SYNC
D
B
C
E
A
<<
Dot Clock
(MHz),
Horizontal Frequency
(kHz)
, Vertical Frequency
(Hz)
, Horizontal etc...
(μs)
,
Vertical etc...
(ms) >>
H
+
31.468
800
640
16
96
48
V
–
70.090
449
350
37
2
60
H
–
31.469
800
640
16
96
48
V
–
59.94
525
480
10
2
33
H
–
37.5
840
640
16
64
120
V
–
75
500
480
1
3
16
H
–
31.469
900
720
18
108
54
V
+
70.082
449
400
13
2
34
H
+
37.879
1056
800
40
128
88
V
+
60.317
628
600
1
4
23
H
+
46.875
1056
800
16
80
160
V
+
75.0
625
600
1
3
21
H
–
48.363
1344
1024
24
136
160
V
–
60.004
806
768
3
6
21
Mode
H/V
Sort
1
2
3
4
5
6
7
25.175
28.324
25.175
31.5
40.0
49.5
65.0
640x350
640x480
800x600
720x400
800x600
800x600
1024x768
Sync
Polarity
Frequency
Dot
Clock
Total Period
(E)
Video Active Time
(A)
Sync Duration
(D)
Back Porch
(F)
Front Porch
(B)
Resolution