1.
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
following conditions:
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 @ 60Hz, 31.5kHz
Yes
Yes
5
640 x 480 @ 67Hz, 35.0kHz
Yes
Yes
6
640 x 480 @ 72Hz, 37.9kHz
Yes
Yes
7
640 x 480 @ 75Hz, 37.5kHz
Yes
Yes
8
640 x 480 @ 85Hz, 43.27kHz
Yes
Yes
9
720 x 400 @ 70Hz, 31.5kHz
Yes
Yes
10
800 x 600 @ 56Hz, 35.1kHz
Yes
Yes
11
800 x 600 @ 60Hz, 37.9kHz
Yes
Yes
12
800 x 600 @ 75Hz, 46.9kHz
Yes
Yes
13
800 x 600 @ 72Hz, 48.1kHz
Yes
Yes
14
800 x 600 @ 85Hz, 53.7kHz
Yes
Yes
15
832 x 624 @ 75Hz, 49.7kHz
Yes
Yes
16
1024 x 768 @ 60Hz, 48.4kHz
Yes
Yes
17
1024 x 768 @ 70Hz, 56.5kHz
Yes
Yes
18
1024 x 768 @ 72Hz, 58.1kHz
Yes
Yes
19
1024 x 768 @ 75Hz, 60.0kHz
Yes
Yes
20
1024 x 768 @ 85Hz, 68.67kHz
Yes
Yes
21
1152 x 870 @ 75Hz, 68.7kHz
Yes
Yes
22
1280 x 1024 @ 60Hz, 63.4kHz
Yes
Yes
23
1280 x 1024 @ 75Hz, 79.97kHz
Yes
Yes
24
1280x 720 @ 60Hz, 45kHz (HDTV)
Yes
Yes
5
.
Adjustment Procedure
26
ViewSonic
Corporation
Co
nfidential
-
Do
Not
Copy
VA912-4_VA912b-4
