LG E700S Service Manual - Page 4
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VIDEO SYNC TIMING CHART B A C E F D > Mode 1 2 3 4 H/V Sort Sync Polarity Frequency Total Period (E) H- 37.50 26.67 V - 74.99 13.335 H+ 46.88 21.33 V + 75.01 13.331 H+ 53.68 18.63 V + 85.07 11.755 H + 68.677 14.561 V + 85.00 11.764 Video Active Blanking Time Sync Duration Time (A) (B) (D) 20.32 6.35 2.03 12.802 0.533 0.080 16.16 5.17 1.62 12.798 0.533 0.064 14.22 4.41 1.14 11.178 0.577 0.056 10.836 3.725 1.016 11.182 0.582 0.044 Back Porch (F) 3.81 0.427 3.23 0.448 2.70 0.503 2.201 0.524 Front Porch (C) 0.51 0.026 0.32 0.021 0.57 0.018 0.508 0.014 Resolution 640x480 75Hz 800x600 75Hz 800x600 85Hz 1024x768 85Hz * Mode 1~Mode 4: Basic Mode -4-
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- 4 -
TIMING CHART
VIDEO
SYNC
C
E
D
F
A
B
* Mode 1~Mode 4: Basic Mode
H
–
37.50
26.67
20.32
6.35
2.03
3.81
0.51
V
–
74.99
13.335
12.802
0.533
0.080
0.427
0.026
H
+
46.88
21.33
16.16
5.17
1.62
3.23
0.32
V
+
75.01
13.331
12.798
0.533
0.064
0.448
0.021
H
+
53.68
18.63
14.22
4.41
1.14
2.70
0.57
V
+
85.07
11.755
11.178
0.577
0.056
0.503
0.018
H
+
68.677
14.561
10.836
3.725
1.016
2.201
0.508
V
+
85.00
11.764
11.182
0.582
0.044
0.524
0.014
Mode
H/V
Sort
1
2
3
4
640x480
75Hz
800x600
85Hz
1024x768
85Hz
800x600
75Hz
<<
Dot Clock
(MHz),
Horizontal Frequency
(kHz)
, Vertical Frequency
(Hz)
, Horizontal etc...
(μs)
,
Vertical etc...
(ms) >>
Sync
Polarity
Frequency
Total Period
(E)
Video Active
Time (A)
Sync Duration
(D)
Blanking Time
(B)
Back Porch
(F)
Front Porch
(C)
Resolution