Timing Table - ViewSonic VA703b-4 Service Manual

2-4 ELECTRICAL REQUIREMENT
Horizontal / Vertical Frequency
Horizontal Frequency
Vertical Refresh Rate
Maximum Pixel Clock
Sync Polarity

Timing Table

Item
1 640 x 350 @ 70Hz, 31.5kHz
2 640 x 480 @ 50Hz, 24.68KHZ
3 640 x 480 @ 60Hz, 31.5kHz
4 MAC 640 x 480 @ 67Hz, 35.0kHz
5 640 x 480 @ 72Hz, 37.9kHz
6 640 x 480 @ 75Hz, 37.5kHz
7 640 x 480 @ 85Hz, 43.27kHz
8 720 x 400 @ 70Hz, 31.5kHz
9 800 x 600 @ 56Hz, 35.1kHz
10 800 x 600 @ 60Hz, 37.9kHz
11 800 x 600 @ 72Hz, 48.1kHz
12 800 x 600 @ 75Hz, 46.9kHz
13 800 x 600 @ 85Hz, 53.7kHz
14 MAC 832 x 624 @ 75Hz, 49.7kHz
15 1024 x 768 @ 60Hz, 48.4kHz
16 1024 x 768 @ 70Hz, 56.5kHz
17 1024 x 768 @ 72Hz, 58.1kHz
18 1024 x 768 @ 75Hz, 60.0kHz
19 1024 x 768 @ 85Hz, 68.67KHZ
20 1152 x 864 @ 75Hz, 67.5KHZ
21 MAC 1152x870@75HZ, 68.68KHZ
22 1280 x 960 @ 60Hz, 44.93KHZ
23 1280 x 960 @75Hz, 56.25KHZ
24 1280 x 1024 @ 60Hz, 63.98KHZ
25 1280 x 1024 @ 75Hz, 79.97KHZ
*1. Tolerance ≧ ± 2kHz.
*2. Any timing not in the list, it should display as normal or show on "OUT OF RANGE" OSD message without blanking.
*3. The image quality of 85Hz mode might be worse than 75Hz.
ViewSonic Corporation
30 – 82 kHz
50 – 85 Hz.
135 MHz
Independent of sync polarity.
Timing Analog
8
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
VA703b-4_VA703m-4