Viewsonic_VS10866(va1912w) Service Manua(.pdf)

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2.5 ELECTRICAL REQUIREMENT
Horizontal / Vertical Frequency
Horizontal Frequency 30 – 82 kHz
Vertical Refresh Rate 50 – 85* Hz.
Maximum Pixel Clock 135 MHz (EDID file is 140MHz)
Sync Polarity Independent of sync polarity.
Primary Presets
1440 x 900 @ 60Hz
User Presets
Number of User Presets (recognized timings) Available: 10 presets total in FIFO configuration
Changing Modes
● Maximum Mode Change Blank Time for image stability : 3 seconds (Max), excluding “Auto Adjust” time
● Under DOS mode (640 x 350, 720 x 400 & 640 x 400), there is no “Auto Adjust” feature.
● The monitor needs to do “Auto Adjust” the first time a new mode is detected but except the DOS mode 640 x 350, 720 x
400 & 640 x 400.(see section “0-Touch™ Function Actions”)
● While running Change Mode, Auto Adjust or Memory Recall, the image shall blank
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Confidential - Do Not Copy VA1912w-2_VA1912wb-2
Timing Table
Item Timing                               Analog/Digital
1 640 x 350 @ 70Hz, 31.5kHz Yes No
2 640 x 400 @ 60Hz, 31.5kHz Yes* No
3 640 x 400 @ 70Hz, 31.5kHz Yes No
4 640 x 480 @ 60Hz, 31.5kHz Yes No
5 640 x 480 @ 67Hz, 35.0kHz Yes No
6 640 x 480 @ 72Hz, 37.9kHz Yes No
7 640 x 480 @ 75Hz, 37.5kHz Yes No
8 640 x 480 @ 85Hz, 43.27kHz Yes No
9 720 x 400 @ 70Hz, 31.5kHz Yes No
10 800 x 600 @ 56Hz, 35.1kHz Yes No
11 800 x 600 @ 60Hz, 37.9kHz Yes No
12 800 x 600 @ 75Hz, 46.9kHz Yes No
13 800 x 600 @ 72Hz, 48.1kHz Yes No
14 800 x 600 @ 85Hz, 53.7kHz Yes No
15 832 x 624 @ 75Hz, 49.7kHz Yes No
16 1024 x 768 @ 60Hz, 48.4kHz Yes No
17 1024 x 768 @ 70Hz, 56.5kHz Yes No
18 1024 x 768 @ 72Hz, 58.1kHz Yes No
19 1024 x 768 @ 75Hz, 60.0kHz Yes No
20 1024 x 768 @ 85Hz, 68.67kHz Yes No
21 1152 x 864@ 75Hz, 67.5kHz Yes No
22 1280 x 1024 @ 60Hz, 63.4kHz Yes No
23 1280 x 1024 @ 75Hz, 79.97kHz Yes No
24 1280x 768 @ 60Hz, 47.78kHz Yes No
25 1280 x 960 @60Hz, 60kHz Yes No
26 1440 x 900 @ 60Hz, 55.96kHz Yes No

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Primary Presets
1440 x 900 @ 60Hz
User Presets
Number of User Presets (recognized timings) Available: 10 presets total in FIFO configuration
Changing Modes
● Maximum Mode Change Blank Time for image stability : 3 seconds (Max), excluding “Auto Adjust” time
● Under DOS mode (640 x 350, 720 x 400 & 640 x 400), there is no “Auto Adjust” feature.
● The monitor needs to do “Auto Adjust” the first time a new mode is detected but except the DOS mode 640 x 350, 720 x
400 & 640 x 400.(see section “0-Touch™ Function Actions”)
● While running Change Mode, Auto Adjust or Memory Recall, the image shall blank




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