ViewSonic VA2012wb-1 Service Manual page 10

Power Supply Missing Cycle Immunity
Power Supply Acoustics
US Type Power Cable
European Type Power Cable
Power Saving Operation(Method)
Power Consumption
Recovery Time
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 400 @ 70Hz, 31.5kHz
3. 640 x 480 @ 60Hz, 31.5kHz
4. 640 x 480 @ 67Hz, 35.0kHz
5. 640 x 480 @ 72Hz, 37.9kHz
6. 640 x 480 @ 75Hz, 37.5kHz
7. 720 x 400 @ 70Hz, 31.5kHz
8. 720 x 480 @59.94/60Hz 15.7 kHz
9. 720 x 576 @50Hz 31.25kHz
10. 720 x 576 @50Hz 15.62kHz
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. 832 x 624 @ 75Hz, 49.7kHz
16. 1024 x 768 @ 60Hz, 48.4kHz
17. 1024 x 768 @ 70Hz, 56.5kHz
18. 1024 x 768 @ 72Hz, 58.1kHz
19. 1024 x 768 @ 75Hz, 60.0kHz
20. 1280 X 720 @ 50Hz 37.5kHz
ViewSonic Corporation
voltage for one cycle with no damage
Shall be able to function properly, without reset or
visible screen artifacts, when ½ cycle of AC power
is randomly missing at nominal input
The power supply shall not produce audible noise
that would be detectable by the user. Audible shall
defined to be in compliance with ISO 7779 (DIN
EN27779:1991) Noise measurements of machines
acoustics. Power Switch noise shall not be
considered
Separate 3-prong NEMA 5-15P type plug. Length =
1.8m. Connects to AC outlet. Color = Black
Schuko CEE7-7. Length = 1.8m, Connects to AC
outlet. Color = Black
VESA DPMS Signaling
ON Mode < 50 W (max) / 47 W (typ)
ACTIVE OFF < 2W
ON MODE = N/A, ACTIVE OFF < 3 SEC
ANALOG: 30 – 94 KHZ
DIGITAL : 30-82 KHZ
50 – 75 HZ.
Analog: 205 Mhz
Digital: 165 MHz
Independent of sync polarity.
Timing
7
Analog
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Confidential - Do Not Copy
Digital
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
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