6
ViewSonic Corporation
Confidential - Do Not Copy
VA2226w-1
2-4 POWER SUPPLY
Internal Power Supply Part Number
RLPR-025
Input Voltage Range
90 to 264 VAC
Input Frequency Range
47 to 63 Hertz
Short Circuit Protection
Output can be shorted without damage
Over Current Protection
5A typical at 14.0 VDC
Leakage Current
3.5mA (Max) at 254VAC / 60Hz
Efficiency (at 115VAC Full Load)
Typical: 80%
Minimum: 75%
Fuse
Internal and not user replaceable
Power Output
38 Watts (typ)
Ripple and Noise
Ripple: <3%
Noise: <1%
Max Input AC Current
1.5 Arms @ 90VAC, 0.75 Arms @180VAC
Inrush Current (Cold Start)
50 A (max) @ 115VAC
90 A (max) @ 230VAC
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
defined to be in compliance with ISO 7779 (DIN
EN27779:1991) Noise measurements of machines
acoustics. Power Switch noise shall not be
considered.
Power Saving Operation(Method)
VESA DPMS Signaling
Power Consumption
Mode LED Power
Consumption
On
Blue
38W
(typ)
43W
(max)
Active off Amber
<2W
Off Off
<1W
Recovery Time
On Mode = N/A, Active Off < 3 sec
Summary of Contents for VA2226w-1
Page 5: ...2 ViewSonic Corporation Confidential Do Not Copy VA2226w 1 4 Handling and Placing Methods...
Page 6: ...3 ViewSonic Corporation Confidential Do Not Copy VA2226w 1...
Page 51: ...48 ViewSonic Corporation Confidential Do Not Copy VA2226w 1 Front Cover Back Cover...
Page 52: ...49 ViewSonic Corporation Confidential Do Not Copy VA2226w 1 Keypad Board Chassis...
Page 54: ...51 ViewSonic Corporation Confidential Do Not Copy VA2226w 1 I F Board...
Page 60: ...57 ViewSonic Corporation Confidential Do Not Copy VA2226w 1 6 5 Backlight can t be turned on...
Page 63: ...60 ViewSonic Corporation Confidential Do Not Copy VA2226w 1 6 8 Bad Screen...
Page 64: ...ViewSonic Corporation Confidential Do Not Copy VA2226w 1 7 Block Diagram 61...
Page 70: ...67 ViewSonic Corporation Confidential Do Not Copy VA2226w 1 9 PCB Layout Diagrams...
Page 71: ...68 ViewSonic Corporation Confidential Do Not Copy VA2226w 1...
Page 72: ...69 ViewSonic Corporation Confidential Do Not Copy VA2226w 1...
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