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ViewSonic Corporation
Confidential - Do Not Copy
VA903b-1_ VA903m-1
6
GENERAL specification
Test Resolution & Frequency
1280 x 1024 @ 60Hz
Test Image Size
Full Size
Contrast and Brightness Controls
Factory Default:
Contrast = 70%, Brightness = 100%
VIDEO INTERFACE
Analog Input Connector
DB-15 (Analog), refer the appendix A
Default Input Connector
Defaults to the first detected input
Video Cable Strain Relief
Equal to twice the weight of the monitor for five
minutes
Video Cable Connector DB-15 Pin out
Compliant DDC 2B
Video Signals
Video RGB (Analog), Separate
Video Impedance
75 Ohms (Analog)
Maximum PC Video Signal
950 mV with no damage to monitor
Maximum Mac Video Signal
1250 mV with no damage to monitor
Sync Signals
TTL
DDC 2B
Compliant with Revision 1.3
Sync Compatibility
Separate Sync
Video Compatibility
Shall be compatible with all PC type computers,
Macintosh computers, and after market video cards
Resolution Compatibility
640 x 350, 640 x 480, 720 x 400 (640 x 400), 800 x
600, 832 x 624, 1024 x 768, 1152 x 864, 1280 x 1024
Exclusions
Not compatible with interlaced video
POWER SUPPLY
Internal Power Supply
Part Number: PI-SB03/
Input Voltage Range
100
-
240
VAC
Input Frequency Range
50
/
60
Hertz
Short Circuit Protection
OUTPUT CAN BE SHORTED WITHOUT DAMAGE
Over Current Protection
6.0
A TYPICAL AT
5.0
VDC
Leakage Current
1.0
MA (MAX) AT 264 VAC / 60HZ
Efficiency
80
% TYPICAL AT 115 VAC FULL LOAD
Fuse
INTERNAL AND NOT USER REPLACEABLE
Power Dissipation
32
WATTS (TYP)
Max Input AC Current
1.2
ARMS @ 90VAC,
0.8
ARMS @180VAC
Inrush Current (Cold Start)
30
A @ 90VAC,
60
A(MAX) @
264
VAC
Power Supply Cold Start
SHALL START AND FUNCTION PROPERLY WHEN
UNDER FULL LOAD, WITH ALL COMBINATIONS OF
INPUT VOLTAGE, INPUT FREQUENCY, AND
OPERATING TEMPERATURE
Содержание VA903b-3 VS11372
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