![background image](http://html1.mh-extra.com/html/viewsonic/vx900-2/vx900-2_service-manual_1020039025.webp)
!
H-sync.
Polarity
Negative Positive Positive Positive Positive Negative Negative
V-sync
Polarity
Negative Positive Positive Positive Positive Negative Negative
H-resolution
(dots)
800 800 800 800 800 1024
1024
V-resolution
(lines)
600 600 600 600 600 768 768
15 16 17 18 19
Signal
name
Symbol
XGA XGA XGA SXGA
HD-720P
H-frequency
(kHz)
58.099 60.023 68.677 63.981 45.000
V-frequency
(Hz)
72.082 75.029 84.997 60.02 60.00
Pixel
rate
(MHz)
78.084 78.750 94.500 108 74.250
H-sync Ths
136
96
96
112
40
H-back
porch Thb
160 176 208 248 270
Count
num
(H-total)
Thd
1344 1312 1376 1688 1658
H-
front
porch Thf
24 16 48 48 60
V-sync
Tvs
6 3 3 3 5
V-back
porch Tvb
29 28 36 38 20
Count
num
(V-total)
Tvd
806 800 808 1066 750
V-front
porch Tvf
3 1 1 1 5
H-sync.
Polarity
Negative Positive Positive Positive Negative
V-sync
Polarity
Negative Positive Positive Positive Negative
H-resolution
(dots)
1024 1024 1024 1280 1280
V-resolution
(lines)
768 768 768 1024 720
!
31
ViewSonic Corporation
Confidential – Do Not Copy
VX900-2
Summary of Contents for VX900-2
Page 58: ...6 Mechanical Assembly 64 ViewSonic Corporation Confidential Do Not Copy VX900 2...
Page 59: ...65 ViewSonic Corporation Confidential Do Not Copy VX900 2...
Page 60: ...66 ViewSonic Corporation Confidential Do Not Copy VX900 2...
Page 61: ...67 ViewSonic Corporation Confidential Do Not Copy VX900 2...
Page 63: ...69 ViewSonic Corporation Confidential Do Not Copy VX900 2 7 Explode Diagram...
Page 64: ...Sechmatic Daigrams 6 ViewSonic Corporation Confidential Do Not Copy VX900 2...
Page 65: ...72 ViewSonic Corporation Confidential Do Not Copy VX900 2...
Page 66: ...73 ViewSonic Corporation Confidential Do Not Copy VX900 2...
Page 67: ...74 ViewSonic Corporation Confidential Do Not Copy VX900 2...
Page 68: ...75 ViewSonic Corporation Confidential Do Not Copy VX900 2...
Page 69: ...76 ViewSonic Corporation Confidential Do Not Copy VX900 2...
Page 70: ...PCB Layout 77 ViewSonic Corporation Confidential Do Not Copy VX900 2...
Page 71: ...78 ViewSonic Corporation Confidential Do Not Copy VX900 2...
Page 72: ...79 ViewSonic Corporation Confidential Do Not Copy VX900 2...