LG 177V, Service Manual

Page: 4 / 33

TIMING CHART
- 4 -
VIDEO
SYNC
C
E
D
F
A B
MODE
Resolution
Recall
H
O
R
I
Z
O
N
T
A
L
V
E
R
T
I
C
A
L
kHz
µs
µs
µs
µs
µs
µs
Hz
ms
ms
ms
ms
ms
ms
MODE 2
—
31.469
31.778
25.422
6.356
3.813
1.907
0.636
—
59.9
16.683
15.253
1.430
0.064
1.049
0.318
640
x
480
60Hz
Yes
MODE 1
—
31.472
31.774
25.419
6.355
3.813
1.906
0.635
+
70.1
14.267
12.710
1.557
0.064
1.080
0.413
720
x
400
70Hz
Yes
MODE 3
—
37.50
26.667
20.317
6.349
2.032
3.810
0.508
—
75.0
13.333
12.800
0.533
0.080
0.427
0.027
640
x
480
75Hz
Yes
MODE 4
—
43.269
23.111
17.778
5.333
1.556
2.222
1.556
—
85.0
11.764
11.093
0.670
0.069
0.578
0.023
640
x
480
85Hz
Yes
MODE 5
+
46.875
21.333
16.162
5.172
1.616
3.232
0.323
+
75.0
13.333
12.800
0.533
0.064
0.448
0.021
800
x
600
75Hz
Yes
MODE 6
+
53.674
18.631
14.222
4.409
1.138
2.702
0.569
+
85.061
11.756
11.179
0.578
0.056
0.503
0.019
800
x
600
85Hz
Yes
MODE 7
+
60.023
16.660
13.003
3.657
1.219
2.235
0.203
+
75.0
13.328
12.795
0.533
0.050
0.466
0.017
1024
x
768
75Hz
Yes
MODE 8
+
68.677
14.561
10.836
3.725
1.016
2.201
0.508
+
84.997
11.765
11.183
0.582
0.044
0.524
0.015
1024
x
768
85Hz
Yes
MODE 9
+
63.981
15.630
11.852
3.777
1.037
2.296
0.444
+
60.02
16.661
16.005
0.657
0.047
0.594
0.016
1280
x
1024
60Hz
Yes
MODE 10
—
50.6
19.752
15.802
3.950
1.580
1.975
0.395
—
100.1
9.995
9.481
0.514
0.059
0.435
0.020
640
x
480
100Hz
Yes
MODE 11
+
63.0
15.876
11.848
4.028
1.185
2.370
0.474
+
99.5
10.05
9.526
0.524
0.048
0.460
0.016
800
x
600
100Hz
Yes
MARK
E
A
B
D
F
C
E
A
B
D
F
C
Sync Polarity
Frequency
Total Period
Video Active Time
Blanking Time
Sync Duration
Back Porch
Front Porch
Sync Polarity
Frequency
Total Period
Video Active Time
Blanking Time
Sync Duration
Back Porch
Front Porch
FACTORY PRESET MODE
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