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Timing Chart; Video Signals - HP CRT Monitor s7500 Service Manual

17-inch color monitor
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2-3 Timing Chart

This section describes the timings that the computer industry recognizes as standard for computer-generated

video signals.

M o d e
H . D o t s
V . D o t s
H - f r e q ( k H z )
3 1 . 4 7
S y n c P o l a r i t y
A p e r i o d u s
3 1 . 7 8
B B l a n k i n g u s
6 . 3 5 6
C S y n c u s
D B . P . u s
1 . 9 0 7
E A c t i v e u s
2 5 . 4 2
F F . P . u s
0 . 6 3 6
V - f r e q ( H z )
5 9 . 9 5
S y n c P o l a r i t y
O P e r i o d m s
1 6 . 6 8
P B l a n k i n g m s
Q S y n c m s
0 . 0 6 4
R B . P . u s
S A c t i v e u s
1 5 . 2 5
T F . P . u s
Horizontal
H.Parameters:
A: Period
C: Sync Width
E: Active Time
Table 2-2. Timing Chart
1
2
3
6 4 0
7 2 0
6 4 0
4 8 0
4 0 0
4 8 0
3 1 . 4 7
37.5
-
-
-
3 1 . 7 8
2 6 . 6 6 6
6 . 3 5 6
6 . 3 4 9
3 . 8 1
3 . 8 1
2 . 0 3 2
1 . 9 0 7
3 . 8 1
2 5 . 4 2
2 0 . 3 7
0 . 6 3 6
0 . 5 1
7 0 . 0 8
7 5
-
+
-
1 4 . 2 7
13.3
1 . 4 3
1 . 5 5 7
0 . 5 3 3
0 . 0 6 4
0 . 0 8
1 . 0 2
1 . 0 8
0 . 4 2 7
1 2 . 7 1
12.8
0 . 3 5
0 . 4 1 3
0 . 0 2 7
Seperate Sync
E
B
Video
D
F
Sync
C
A
B: Blanking Time
D: Back Porch
F: Front Porch
HP S7500/MV7500/CV7500
4
5
6
6 4 0
8 0 0
8 0 0
4 8 0
6 0 0
6 0 0
4 3 . 2 7
46.8
5 3 . 6 7
-
+
+
2 3 . 1 1
2 1 . 3 3 3
1 8 . 6 3
5 . 3 3
5 . 1 7 2
4 . 4 0 9
1 . 5 5 6
1 . 6 1 6
1 . 1 3 8
2 . 2 2
3 . 2 3 2
2 . 7 0 2
1 7 . 7 8
1 6 . 1 6 2
1 4 . 2 2
1 . 5 5 6
0 . 3 2 3
0 . 5 6 9
8 5
7 5
8 5
+
-
+
1 1 . 7 6
1 3 . 3 3 3
1 1 . 7 6
0 . 6 7
0 . 5 3 3
0 . 5 7 8
0 . 0 6 9
0 . 0 6 4
0 . 0 5 6
0 . 5 7 8
0 . 4 4 8
0 . 5 0 3
1 1 . 0 9
12.8
1 1 . 1 8
0 . 0 2 3
0 . 0 2 1
0 . 0 1 9
K
Vertical
Video
J
Sync
I
G
V.Parameters:
G: Period
I: Sync Width
K: Active Time
7
8
9
1 0 2 4
1 0 2 4
1 2 8 0
7 6 8
7 6 8
1 0 2 4
6 0 . 0 2
6 8 . 6 8
6 3 . 9 8
+
+
+
1 6 . 6 6
1 4 . 5 6
1 5 . 6 3
3 . 6 5 7
3 . 7 2 5
3 . 7 7 8
1 . 2 1 9
1 . 0 1 6
1 . 0 3 7
2 . 2 3 5
2 . 2 0 1
2 . 2 9 6
1 3
1 0 . 8 3 6
1 1 . 8 5 2
0 . 2 0 3
0 . 5 0 8
0 . 4 4 4
7 5 . 0 3
8 5
6 0 . 0 2
+
+
+
1 3 . 3 3
1 1 . 7 7
1 6 . 6 6 1
0 . 5 3 3
0 . 5 8 2
0 . 6 5 6
0 . 0 5
0 . 0 4 4
0 . 0 4 7
0 . 4 6 6
0 . 5 2 4
0 . 5 9 4
12.8
1 1 . 1 8
1 6 . 0 0 5
0 . 0 1 7
0 . 0 1 5
0 . 0 1 6
H
L
H: Blanking Time
J: Back Porch
L: Front Porch
Page 7
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