ViewSonic VA503b-1 User Manual

1 GENERAL specification
Test Resolution & Frequency 1024 x 768 @ 60Hz
Test Image Size Full Size
Contrast and Brightness Controls
Factory Default:
Contrast = 70%, Brightness = 100%
2 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 1/2B
Video Signals 1. 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 LVDS
DDC 1/2B 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
Exclusions Not compatible with interlaced video
3 POWER SUPPLY
Internal Power Supply Part Number: 715G1823-I
Input Voltage Range 100 TO 240 VAC
Input Frequency Range 50 TO 60 HERTZ
Short Circuit Protection Output can be shorted without damage
Over Current Protection (1)13V_4.5A@5V_1.5A
(2)5V_6A@13V_2A
Leakage Current 3.5 mA (Max) at 254VAC / 60Hz
Efficiency 80 % typical at 115VAC Full Load
Fuse Internal and not user replaceable
Power Dissipation 4 Watts (typ)
Max Input AC Current 1 Arms @ 90VAC, 0.5 Arms @180VAC
Inrush Current (Cold Start) 60 A @ 240 VAC, 30 A(max) @ 110 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
Power Supply Transient Immunity
Shall be able to withstand an ANSI/IEEE C62.41-1980
6000V 200 ampere ring wave transient test with no damage
Power Supply Line Surge Immunity
Shall be able to withstand 1.5 times nominal line voltage
for one cycle with no damage
Power Supply Missing Cycle Immunity
Shall be able to function properly, without reset or visible
screen artifacts, when ½ cycle of AC power is randomly
missing at nominal input
Power Supply Acoustics
The power supply shall not produce audible noise that
would be detectable by the user. Audible shall define to be
ViewSonic Corporation VA503b-1_ VA503m-1
5
Confidential - Do Not Copy

ViewSonic VA503b-1 Specifications

General

Brand	ViewSonic
Model	VA503b-1
Category	Monitor
Language	English