ViewSonic VG2021m-1 Service Manual page 8

VIDEO INTERFACE
Input Connector(refer the appendix A)
Default Input Connector
Video Cable Strain Relief
Video Cable Connector DB-15 Pin out
Video Signals
Video Impedance
Maximum PC Video Signal
Maximum Mac Video Signal
Sync Signals
DDC 1/2B
Sync Compatibility
Video Compatibility
Resolution Compatibility
Exclusions
POWER SUPPLY
Internal Power Supply
Input Voltage Range
Input Frequency Range
Short Circuit Protection
Over Current Protection
Leakage Current
EFFICIENCY
Fuse
Power Dissipation
Max Input AC Current
INRUSH CURRENT (COLD START)
Power Supply Cold Start
Power Supply Transient Immunity
Power Supply Line Surge Immunity
Power Supply Missing Cycle Immunity
Power Supply Acoustics
Power Saving Operation(Method)
Power Consumption
Recovery Time
ViewSonic Corporation
Analog : D-sub 15 ,
Digital: DVI-D
Defaults to the first detected input
Equal to twice the weight of the monitor for five
minutes
Compliant DDC 2B
1. Video RGB (Analog): Separate
2. DVI (Digital)
75 Ohms (Analog), 100 Ohms (Digital)
950 mV with no damage to monitor
1250 mV with no damage to monitor
TTL
Compliant with Revision 1.3
Separate Sync
Shall be compatible with all PC type computers,
Macintosh computers, and after market video cards
640 x 350, 640 x 480, 720 x 400 * (640 x 400*) 800 x
600, 832 x 624, 1024 x 768, 1152x864, 1280X960,
1280x1024, 1400x1050
* The image vertical size might not be full screen.
But the image vertical position should be at the
center
Not compatible with interlaced video
Part Number: DAC-12M033 AF(DELTA)
90 TO 264 VAC
47.5 TO 63 HERTZ
Output can be shorted without damage
N/A
3.5mA (Max) at 254VAC / 60Hz
80 % typical at 115VAC Full Load
Internal and not user replaceable
50 Watts (typ)
1.0Arms @ 90VAC, 0.8 Arms @180VAC
30 A @ 120VAC, 60 A(max) @220VAC
Shall start and function properly when under full load,
with all combinations of input voltage, input
frequency, and operating temperature
Shall be able to withstand an ANSI/IEEE
C62.41-1980 6000V 200 ampere ring wave transient
test with no damage
Shall be able to withstand 1.5 times nominal line
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
VESA DPMS Signaling
ON Mode < 40 W (max) / 30 W (typ)
ACTIVE OFF < 1W
ON MODE = N/A, ACTIVE OFF < 3 SEC
Confidential - Do Not Copy
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VG2021m-1