Item
Timing
Analog
1
640 x 350 @ 70Hz, 31.5kHz
Yes
2
640 x 400 @ 60Hz, 31.5kHz
Yes
3
640 x 400 @ 70Hz, 31.5kHz
Yes
4
640 x 480 @ 50Hz, 24.7kHz
Yes
5
640 x 480 @ 60Hz, 31.5kHz
Yes
6
640 x 480 @ 67Hz, 35.0kHz
Yes
7
640 x 480 @ 72Hz, 37.9kHz
Yes
8
640 x 480 @ 75Hz, 37.5kHz
Yes
9
640 x 480 @ 85Hz, 43.27kHz
Yes
10
720 x 400 @ 70Hz, 31.5kHz
Yes
11
800 x 600 @ 56Hz, 35.1kHz
Yes
12
800 x 600 @ 60Hz, 37.9kHz
Yes
13
800 x 600 @ 75Hz, 46.9kHz
Yes
14
800 x 600 @ 72Hz, 48.1kHz
Yes
15
800 x 600 @ 85Hz, 53.7kHz
Yes
16
832 x 624 @ 75Hz, 49.7kHz
Yes
17
1024 x 768 @ 60Hz, 48.4kHz
Yes
18
1024 x 768 @ 70Hz, 56.5kHz
Yes
19
1024 x 768 @ 72Hz, 58.1kHz
Yes
20
1024 x 768 @ 75Hz, 60.0kHz
Yes
21
1024 x 768 @ 85Hz, 68.67kHz
Yes
22
1152 x 864 @ 75Hz, 67.5kHz
Yes
23
1152 x 870 @ 75Hz, 68.7kHz
Yes
24
1280 x 1024 @ 60Hz, 63.4kHz
Yes
25
1280 x 1024 @ 75Hz, 79.97kHz
Yes
26
1280x 720 @ 60Hz, 45kHz (HDTV)
Yes
3. Function test
(1)
Test equipment
Color video signal and pattern generator (or PC with SXGV resolution)
(2)
Test condition
Before function testing and alignment, the unit must warm up for at least 30 minutes under the
1. Room temperature
2. With full-white screen, RGB, black pattern
3. With cycled display modes
following conditions:
4. Test display modes
ViewSonic Corporation
Confidential - Do Not Copy
VA721-2
29
Содержание VA721-2
Страница 34: ...Pattern 5 Pattern6 Pattern 7 Pattern 8 Pattern 9 ViewSonic Corporation Confidential Do Not Copy VA721 2 31...
Страница 36: ...7 Appendix A How to install the software for ISP ViewSonic Corporation Confidential Do Not Copy VA721 2 33...
Страница 51: ...1 No Power 6 Troubleshooting Flow Chart ViewSonic Corporation Confidential Do Not Copy VA721 2 48...
Страница 52: ...2 No Characters Missing Color 3 Always show NO SIGNEL ViewSonic Corporation Confidential Do Not Copy VA721 2 49...
Страница 59: ...8 Exploded Diagram And Spare Parts List ViewSonic Corporation Confidential Do Not Copy VA721 2 56...
Страница 65: ...12V MC34063 MC34063 AIC1739 2 Power 12V 5V 2 5V 3 3V ViewSonic Corporation Confidential Do Not Copy VA721 2 62...
Страница 72: ...11 PCB Layout Diagrams Main board Control board ViewSonic Corporation Confidential Do Not Copy VA721 2 69...