Proview SH970I Service Manual page 5

D
C
VGA
Preset
640X480
Modes
Dot Rate
25.175MHz 31.340MHz 31.500MHz 31.500MHz 28.322MHz 36.000MHz 40.000MHz 50.000MHz 49.500MHz 55.000MHz
F.H
31.469KHz 34.978KHz 37.861KHz 37.500KHz 31.469KHz 35.156KHz 37.879KHz 48.077KHz 46.875KHz 49.107KHz
A-period 31.778us
B-Active 25.422us
C-Sync.width 3.813us
D-Back
1.589us
Porch
E-Front
0.954us
Porch
F . V 59.941Hz
A-Period 16.683ms
B-Active 15.253ms
C-Sync.width 0.064ms
D-Back
0.794ms
Porch
E-Front
0.572ms
Porch
H/V
－ －
SYNC
Interlaced
NON
C.TIMING CHART
Video
B E
Sync.
A
VESA
*VGA VESA
640X480
640X480 640X480
28.590us 26.413us 26.667us
20.421us 20.317us 20.317us
2.042us 1.270us 2.032us
3.063us 3.810us 3.810us
3.064us 1.016us 0.508us
66.625Hz 72.810Hz 75.000Hz
15.009ms 13.734ms 13.333ms
13.723ms 12.678ms 12.800ms
0.086ms 0.079ms 0.080ms
1.115ms 0.528ms 0.427ms
0.085ms 0.449ms 0.026ms
－ － － － － －
NON NON NON
A: Period
D: Back Porch
E: Front porch
VGA VESA VESA
720X400 800X600 800X600
31.777us 28.444us 26.400us
25.422us 22.222us 20.000us
3.813us 2.000us 3.200us
1.907us 3.556us 2.200us
0.635us 0.666us 1us
70.087Hz 56.250Hz 60.317Hz
14.268ms 17.778ms 16.579ms
12.711ms 17.067ms 15.840ms
0.064ms 0.057ms 0.106ms
1.112ms 0.626ms 0.607ms
0.381ms 0.028ms 0.026ms
－ ＋ ＋ ＋ ＋ ＋
NON NON NON
B: Active
C: Sync Width
VESA VESA
800X600 800X600
20.800us 21.333us
16.000us 16.162us
2.400us 1.616us
1.280us 3.232us
1.12us 0.323us
72.188Hz 75.000Hz
13.853ms 13.333ms
12.480ms 12.800ms
0.125ms 0.064ms
0.478ms 0.448ms
0.77ms 0.021ms
＋ ＋ ＋ ＋
NON NON
*MAC
832X624
20.364us
15.127us
2.182us
1.745us
1.31us
75.087Hz
13.318ms
12.707ms
0.061ms
0.428ms
0.122ms
－ －
NON