Timing Chart - NEC AS120-1 Service Manual

VIDEO
SYNC
MODE
Sync Polarity
H
O
kHz
Frequency
R
µs
Total Period
I
µs
Z Video Active Time
O
µs
Blanking Time
N
µs
Front Porch
T
µs
A Sync Duration
L
µs
Back Porch
Sync Polarity
V
Hz
Frequency
E
ms
Total Period
R
T
ms
Video Active Time
I
ms
Blanking Time
C
ms
Front Porch
A
L
ms
Sync Duration
ms
Back Porch
Resolution
Recall

TIMING CHART

C
D
E
MARK MODE 1 MODE 2
— —
31.469
31.469
31.778
31.778
E
25.422
25.422
A
6.356
6.356
B
0.640
0.640
C
3.810
3.810
D
1.906
1.906
F
+
—
59.940
70.082
16.683
14.270
E
15.253
12.700
A
1.430
1.557
B
0.318
0.413
C
0.064
0.064
D
1.049
1.08
F
640
720
x
x
480
400
60Hz
70Hz
Yes
Yes
B
F
A
MODE 3 MODE 4 MODE 5
— +
43.269 60.023
23.111 16.660
17.778 13.003
5.334 3.657
1.556 0.203
1.556 1.219
2.222 2.235
— +
85.008 75.029
11.763 13.328
11.093 12.795
0.670 0.533
0.023 0.017
0.069 0.050
0.578 0.466
640 1024
x x
480 768
85Hz 75Hz
Yes Yes
- 4 -
MODE 6 MODE 7
+ + +
68.677 79.976 91.146
14.561 12.504 10.971
10.836 9.481 8.127
3.725 3.022 2.844
0.508 0.119 0.406
1.016 1.067 1.016
2.201 1.837 1.422
+ + +
84.997 75.025 85.024
11.765 13.329 11.761
11.183 12.804 11.235
0.582 0.525 0.527
0.015 0.013 0.011
0.044 0.038 0.033
0.523 0.475 0.483
1024 1280 1280
x x x
768 1024 1024
85Hz 75Hz 85Hz
Yes Yes Yes
MODE 8
+
93.750
10.667
7.901
2.765
0.316
0.948
1.501
+
75.000
13.333
12.800
0.533
0.011
0.032
0.490
1600
x
1200
75Hz
Yes