1.
Function test
(1)
Test equipment
Color video signal and pattern generator (or PC with SXGA 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.
2.
Test display modes
Item
Timing
Analog
Digital
1
640 x 350 @ 70Hz, 31.5kHz
Yes
Yes
2
640 x 400 @ 60Hz, 31.5kHz
Yes
Yes
3
640 x 400 @ 70Hz, 31.5kHz
Yes
Yes
4 640 x 480 @ 50Hz, 24.7kHz No No
5
640 x 480 @ 60Hz, 31.5kHz
Yes
Yes
6
640 x 480 @ 67Hz, 35.0kHz
Yes
Yes
7
640 x 480 @ 72Hz, 37.9kHz
Yes
Yes
8
640 x 480 @ 75Hz, 37.5kHz
Yes
Yes
9
640 x 480 @ 85Hz, 43.27kHz
Yes
Yes
10
720 x 400 @ 70Hz, 31.5kHz
Yes
Yes
11
800 x 600 @ 56Hz, 35.1kHz
Yes
Yes
12
800 x 600 @ 60Hz, 37.9kHz
Yes
Yes
13
800 x 600 @ 75Hz, 46.9kHz
Yes
Yes
14
800 x 600 @ 72Hz, 48.1kHz
Yes
Yes
15
800 x 600 @ 85Hz, 53.7kHz
Yes
Yes
16
832 x 624 @ 75Hz, 49.7kHz
Yes
Yes
17
1024 x 768 @ 60Hz, 48.4kHz
Yes
Yes
18
1024 x 768 @ 70Hz, 56.5kHz
Yes
Yes
19
1024 x 768 @ 72Hz, 58.1kHz
Yes
Yes
20
1024 x 768 @ 75Hz, 60.0kHz
Yes
Yes
21
1024 x 768 @ 85Hz, 68.67kHz
Yes
Yes
22
1152 x 864 @ 75Hz, 67.5kHz
Yes
Yes
23
1152 x 870 @ 75Hz, 68.7kHz
Yes
Yes
24
1280 x 1024 @ 60Hz, 63.4kHz
Yes
Yes
25
1280 x 1024 @ 75Hz, 79.97kHz
Yes
Yes
26
1280x 720 @ 60Hz, 45kHz (HDTV)
Yes
Yes
following conditions:
35
ViewSonic
Corporation
Co
nfidential
-
Do
Not
Copy
VX922-1
Содержание VX922-1
Страница 40: ...Pattern 5 Pattern6 Pattern 7 Pattern 8 Pattern 9 37 ViewSonic Corporation Confidential Do Not Copy VX922 1...
Страница 57: ...Step 2 Press Write to IC icon 54 ViewSonic Corporation Confidential Do Not Copy VX922 1...
Страница 61: ...Please press 58 ViewSonic Corporation Confidential Do Not Copy VX922 1...
Страница 64: ...Write DDC to IC Step 1 Select 24C02 61 ViewSonic Corporation Confidential Do Not Copy VX922 1...
Страница 66: ...Step 2 Press Write to IC icon 63 ViewSonic Corporation Confidential Do Not Copy VX922 1...
Страница 81: ...1 Display color abnormal 6 Troubleshooting Flow Chart 78 ViewSonic Corporation Confidential Do Not Copy VX922 1...
Страница 83: ...3 Monitor white screen 80 ViewSonic Corporation Confidential Do Not Copy VX922 1...
Страница 84: ...4 Monitor black screen 81 ViewSonic Corporation Confidential Do Not Copy VX922 1...
Страница 85: ...5 Analog input always shows NO SIGNAL 82 ViewSonic Corporation Confidential Do Not Copy VX922 1...
Страница 86: ...6 Digital input always shows NO SIGNAL 83 ViewSonic Corporation Confidential Do Not Copy VX922 1...
Страница 89: ...86 ViewSonic Corporation Confidential Do Not Copy 8 Exploded Diagram and Spare Parts List VX922 1...
Страница 92: ...9 Block Diagram 89 ViewSonic Corporation Confidential Do Not Copy VX922 1...
Страница 93: ...90 ViewSonic Corporation Confidential Do Not Copy VX922 1...
Страница 103: ...Main Board Control Board 100 ViewSonic Corporation Confidential Do Not Copy 11 PCB Layout Diagrams VX922 1...