ViewSonic vx912-1 Service Manual page 9

l ELECTRICAL REQUIREMENT
Horizontal / Vertical Frequency
Horizontal Frequency
Vertical Refresh Rate
Maximum Pixel Clock
Sync Polarity
l Timing Table
Item
1 640 x 350 @ 70Hz, 31.5kHz
2 640 x 400 @ 60Hz, 31.5kHz
3 640 x 400 @ 70Hz, 31.5kHz
4 640 x 480 @ 50Hz, 24.7kHz
5 640 x 480 @ 60Hz, 31.5kHz
6 640 x 480 @ 67Hz, 35.0kHz
7 640 x 480 @ 72Hz, 37.9kHz
8 640 x 480 @ 75Hz, 37.5kHz
9 640 x 480 @ 85Hz, 43.27kHz
10 720 x 400 @ 70Hz, 31.5kHz
11 800 x 600 @ 56Hz, 35.1kHz
12 800 x 600 @ 60Hz, 37.9kHz
13 800 x 600 @ 75Hz, 46.9kHz
14 800 x 600 @ 72Hz, 48.1kHz
15 800 x 600 @ 85Hz, 53.7kHz
16 832 x 624 @ 75Hz, 49.7kHz
17 1024 x 768 @ 60Hz, 48.4kHz
18 1024 x 768 @ 70Hz, 56.5kHz
19 1024 x 768 @ 72Hz, 58.1kHz
20 1024 x 768 @ 75Hz, 60.0kHz
21 1024 x 768 @ 85Hz, 68.67kHz
22 1152 x 864 @ 75Hz, 67.5kHz
23 1152 x 870 @ 75Hz, 68.7kHz
24 1280 x 1024 @ 60Hz, 63.4kHz
25 1280 x 1024 @ 75Hz, 79.97kHz
26 1280x 720 @ 60Hz, 45kHz (HDTV)
ViewSonic Corporation
24 – 82 KHZ
50 – 85* HZ.
* FOR RESOLUTION 1280 X 1024, THE VERTICAL
REFRESH RATE UP TO 75 HZ; FOR THE REST OF
RESOLUTIONS, THE VERTICAL REFRESH RATE
UP TO 85HZ
135 MHz
Independent of sync polarity.
Timing
6
Analog Digital
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Confidential - Do Not Copy
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
VX912