ViewSonic VX800-3 - 18" LCD Monitor Service Manual page 21

V-sync Tvs
V-back porch Tvb
Count num Tvd
(V-total)
V-front porch Tvf
H-sync. Polarity
V-sync Polarity
H-resolution (dots)
V-resolution (lines)
Signal name Symbo
l
H-frequency (kHz)
V-frequency (Hz)
Pixel rate (MHz)
H-sync Ths
H-back porch Thb
Count num (H-total) Thd
H- front porch Thf
V-sync Tvs
V-back porch Tvb
Count num (V-total) Tvd
V-front porch Tvf
H-sync. Polarity
V-sync Polarity
H-resolution (dots)
V-resolution (lines)
ViewSonic Corporation
2 4
22 23
625 628
1 1
Negative Positive
Negative Positive
800 800
600 600
15 16
XGA XGA
56.476 58.099
70.069 72.082
75.000 78.084
136 136
144 160
1328 1344
24 24
6 6
29 29
806 806
3 3
Negative Negative
Negative Negative
1024 1024
768 768
6 3
23 21
666 625
37 1
Positive Positive
Positive Positive
800 800
600 600
17 18 19
XGA XGA SXGA
60.023 68.677 63.981
75.029 84.997 60.02
78.750 94.500 108
96 96 112
176 208 248
1312 1376 1688
16 48 48
3 3 3
28 36 38
800 808 1066
1 1 1
Positive Positive Positive
Positive Positive Positive
1024 1024 1280
768 768 1024
Confidential – Do Not Copy
3 3
27 39
631 667
1 1
Positive Negative Negative
Positive Negative Negative
800 832
600 624
20
720P
79.976
75.025
135
40
270
1658
60
5
20
750
5
Positive
Positive
1280
1024
6
29
806
3
1024
768
21
SXGA
45.000
60.00
74.250
144
248
1688
16
3
38
1066
1
Negative
Negative
1280
720
VX800-3