ViewSonic VP2330WB Service Manual - Page 8

USB INTERFACE Up Stream Connector Down Stream Connector Compatibility Power 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 B type USB port x1 A type USB port x4 Compliant with Revision 2.0 The hub gets power from the display. Delta ADP-120UB B 90 to 264 VAC 47.5 to 63 Hertz Output can be shorted without damage 5.0 A typical at 12.0 VDC 3.5mA (Max) at 254VAC / 60Hz 80 % typical at 115VAC Full Load Internal and not user replaceable TBD Watts (typ) 1.5 Arms @ 90VAC, 0.75 Arms @180VAC 50 A (max) @ 115VAC 90 A (max) @ 230VAC 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 < 81 W (Typ) / 85 W (max) Active Off < 4 W On Mode = N/A, Active Off < 3 sec Confidential - Do Not Copy 5 VP2330wb