LG L1720B Service Manual - Page 8

Timing Chart

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VIDEO SYNC TIMING CHART A E D B C > MODE Section 1 H(Pixels) V(Lines) 2 H(Pixels) V(Lines) 3 H(Pixels) V(Lines) 4 H(Pixels) V(Lines) 5 H(Pixels) V(Lines) 6 H(Pixels) V(Lines) 7 H(Pixels) V(Lines) 8 H(Pixels) V(Lines) 9 H(Pixels) V(Lines) 10 H(Pixels) V(Lines) 11 H(Pixels) V(Lines) 12 H(Pixels) V(Lines) 13 H(Pixels) V(Lines) Polarity Dot Clock 25.175 28.321 25.175 31.5 40.0 49.5 57.283 65.0 78.75 100.0 92.978 108.0 135.0 Frequency 31.469 70.09 31.468 70.08 31.469 59.94 37.5 75 37.879 60.317 46.875 75.0 49.725 74.55 48.363 60.0 60.123 75.029 68.681 75.062 61.805 65.96 63.981 60.02 79.976 75.035 Total Period ( E ) 800 449 900 449 800 525 840 500 1056 628 1056 625 1152 667 1344 806 1312 800 1456 915 1504 937 1688 1066 1688 1066 Display ( A ) 640 350 720 400 640 480 640 480 800 600 800 600 832 624 1024 768 1024 768 1152 870 1152 900 1280 1024 1280 1024 Front Porch ( D ) 16 37 18 12 16 10 16 1 40 1 16 1 32 1 24 3 16 1 32 3 18 2 48 1 16 1 Sync. ( C ) 96 2 108 2 96 2 64 3 128 4 80 3 64 3 136 6 96 3 128 3 134 4 112 3 144 3 Back Porch ( B ) 48 60 54 35 48 33 120 16 88 23 160 21 224 39 160 29 176 28 144 39 200 31 248 38 248 38 Resolution 640 x 350 720 X 400 640 x 480 640 x 480 800 x 600 800 x 600 832 x 624 1024 x 768 1024 x 768 1152 x 870 1152 x 900 1280 x 1024 1280 x 1024 -7- 龙泉现代YDW资料收藏

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TIMING CHART
- 7 -
<<
Dot Clock
(MHz),
Horizontal Frequency
(kHz)
, Vertical Frequency
(Hz)
, Horizontal etc...
(μs)
,
Vertical etc...
(ms) >>
VIDEO
SYNC
B
C
E
A
D
MODE
Section
Polarity
Frequency
Dot
Clock
1
H(Pixels)
+
25.175
31.469
800
640
16
96
48
640 x 350
V(Lines)
-
70.09
449
350
37
2
60
2
H(Pixels)
-
28.321
31.468
900
720
18
108
54
720 X 400
V(Lines)
+
70.08
449
400
12
2
35
3
H(Pixels)
-
25.175
31.469
800
640
16
96
48
640 x 480
V(Lines)
-
59.94
525
480
10
2
33
4
H(Pixels)
-
31.5
37.5
840
640
16
64
120
640 x 480
V(Lines)
-
75
500
480
1
3
16
5
H(Pixels)
+
40.0
37.879
1056
800
40
128
88
800 x 600
V(Lines)
+
60.317
628
600
1
4
23
6
H(Pixels)
+
49.5
46.875
1056
800
16
80
160
800 x 600
V(Lines)
+
75.0
625
600
1
3
21
7
H(Pixels)
+/-
57.283
49.725
1152
832
32
64
224
832 x 624
V(Lines)
+/-
74.55
667
624
1
3
39
8
H(Pixels)
-
65.0
48.363
1344
1024
24
136
160
1024 x 768
V(Lines)
-
60.0
806
768
3
6
29
9
H(Pixels)
-
78.75
60.123
1312
1024
16
96
176
1024 x 768
V(Lines)
-
75.029
800
768
1
3
28
10
H(Pixels)
+/-
100.0
68.681
1456
1152
32
128
144
1152 x 870
V(Lines)
+/-
75.062
915
870
3
3
39
11
H(Pixels)
+/-
92.978
61.805
1504
1152
18
134
200
1152 x 900
V(Lines)
+/-
65.96
937
900
2
4
31
12
H(Pixels)
+
108.0
63.981
1688
1280
48
112
248
1280 x 1024
V(Lines)
+
60.02
1066
1024
1
3
38
13
H(Pixels)
+
135.0
79.976
1688
1280
16
144
248
1280 x 1024
V(Lines)
+
75.035
1066
1024
1
3
38
Total
Period
( E )
Display
( A )
Front
Porch
( D )
Sync.
( C )
Back
Porch
( B )
Resolution
龙泉现代YDW资料收藏