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

18” color tft lcd display
Table of Contents

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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

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