ViewSonic VA2016W Service Manual - Page 9

ViewSonic Corporation, 4 POWER SUPPLY, On Mode = N/A, Active Off < 3 sec

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2-4 POWER SUPPLY Internal Power Supply Part Number Input Voltage Range Input Frequency Range Short Circuit Protection Over Current Protection Leakage Current Efficiency (at 115VAC Full Load) Fuse Power Output Ripple and Noise 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 RLPR-025 90 to 264 VAC 47 to 63 Hertz Output can be shorted without damage 5.0 A typical at 14.0 VDC 3.5mA (Max) at 254VAC / 60Hz Typical: 80% Minimum: 75% Internal and not user replaceable 38 Watts (typ) Ripple:

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6
ViewSonic Corporation
Confidential - Do Not Copy
VA2016w-2
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
5.0 A 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 be
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
Green
38W (typ)
43W (max)
Active off
Amber
<2W
Off
Off
<1W
Recovery Time
On Mode = N/A, Active Off < 3 sec