ViewSonic VA2226w-1, Service Manual

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7
ViewSonic Corporation
Confidential - Do Not Copy
VA2226w-1
2-5 ELECTRICAL REQUIREMENT
Horizontal / Vertical Frequency
Horizontal Frequency
24 – 82 kHz
Vertical Refresh Rate
50 – 75 Hz
Maximum Pixel Clock 135 MHz
Sync Polarity Independent of sync polarity
Timing Table
Timing Table
Analog
Item Timing
Sep
arated
Comp
osite
SOG
Digit
al -
T
M
D
S
Remark
1 640 x 350 @ 70 Hz, 31.5 KHz DMT
2 640 x 400 @ 60 Hz, 31.5 KHz
3 640 x 400 @ 70 Hz, 31.5 KHz
4 640 x 480 @ 50 Hz, 24.7 KHz
5 640 x 480 @ 60 Hz, 31.5 KHz DMT
6
640 x 480 @ 67 Hz, 35 KHz For MAC
7 640 x 480 @ 72 Hz, 37.9 KHz VESA
8 640 x 480 @ 75 Hz, 37.5 KHz VESA
9 720 x 400 @ 70 Hz, 31.5 KHz
10 720 x 480 @ 60 Hz, 31.5 KHz DTV
11 720 x 576 @ 50 Hz, 31.3 KHz DTV
12 800 x 600 @ 56 Hz, 35.1 KHz VESA
13 800 x 600 @ 60 Hz, 37.9 KHz VESA
14 800 x 600 @ 72 Hz, 48.1 KHz VESA
15 800 x 600 @ 75 Hz, 46.9 KHz VESA
16 832 x 624 @ 75 Hz, 49.7 KHz MAC
17 1024 x 768 @ 50 Hz, 39.6 KHz
18 1024 x 768 @ 60 Hz, 48.4 KHz VESA
19 1024 x 768 @ 70 Hz, 56.5 KHz VESA
20 1024 x 768 @ 75 Hz, 60 KHz VESA
21 1152 x 864 @ 75 Hz, 67.5 KHz VESA
22 1152 x 870 @ 75 Hz, 68.7 KHz For MAC
23 1152 x 900 @ 67 Hz, 62.5 KHz For SUN
24 1280 x 720 @ 50 Hz, 37.5 KHz DTV
25 1280 x 720 @ 60 Hz, 45 KHz DTV
26 1280 x 768 @ 50 Hz, 39.6 KHz
27 1280 x 768 @ 60 Hz, 47.8 KHz CVT