Service manual

USB INTERFACE
Up Stream Connector B type USB port x1
Down Stream Connector A type USB port x4
Compatibility Compliant with Revision 2.0
Power The hub gets power from the display.
POWER SUPPLY
Internal Power Supply Delta EADP-64BF
Input Voltage Range 90 to 264 VAC
Input Frequency Range 47.5 to 63 Hertz
Short Circuit Protection Output can be shorted without damage
Over Current Protection 5.0 A typical at 12.0 VDC
Leakage Current 3.5mA (Max) at 254VAC / 60Hz
Efficiency 80 % typical at 115VAC Full Load
Fuse Internal and not user replaceable
Power Dissipation 64 Watts (typ)
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 abl
e 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
On Mode < 53 W (Typ) / 56 W (max)
Power Consumption
Active Off < 3 W
Recovery Time On Mode = N/A, Active Off < 8 sec
Viewsonic Corporation 5 Confidential - Do Not Copy VP2130b-1