ViewSonic VA1912w-2 Service Manual page 8

2.4 POWER SUPPLY
Power Supply (Adapter)
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
US Type Power Cable
European Type Power Cable
CCC Type Power Cable
PSE Type Power Cable
Power Saving Operation(Method)
Power Consumption
Recovery Time
ViewSonic Corporation
Part Number: 27-D003247
90 to 264 VAC
47 to 63 Hertz
OUTPUT CAN BE SHORTED WITHOUT DAMAGE
FUSE 3.15A TYPICAL AT
75 MA (MAX) AT 240VAC / 50HZ
80 % TYPICAL AT 100VAC @60HZ
INTERNAL AND NOT USER REPLACEABLE
36 WATTS
1.6 ARMS @ nominal RANGE
80 A @ 240VAC , 50HZ
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 EN61000-4-4
±2KV TRANSIENT TEST WITH NO DAMAGE
Shall be able to withstand ±2KV (L-L) and ±2.3KV
(L-PE) 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
Separate 3-prong NEMA 5-15P type plug. Length =
1.8m. Connects to display.
Color = Black
Schuko CEE7-7 type plug.
Length = 1.8m, Connects to display.
Color = Black
Separate 3-prong type plug.
Length = 1.8m. Connects to display.
Color = Black
Separate 2-prong NEMA 1-15P type plug. Length =
1.8m. Connects to display.
Color = Black
VESA DPMS Signaling
ON Mode < 36 W (max) / 32
ACTIVE OFF < 1 W
ON Mode = N/A, ACTIVE OFF < 5 sec
5
Confidential - Do Not Copy
250 VAC
W (typ)
VA1912w-2_VA1912wb-2