Service manual

ViewSonic Corporation Confidential - Do Not Copy Q7b-3
6
2-4 POWER SUPPLY
Internal Power Supply
FSP FSP035-1PI01ZT
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
36W(typ) 40W(max)
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. Powe
r Switch noise shall not
be considered.
Power Saving Operation(Method)
VESA DPMS Signaling
On Mode < 36W(Typ) / 40W (max)
Power Consumption
Active Off < 1 W @ 120 Vac /
< 1.5W @ 220Vac
Recovery Time On Mode = N/A, Active Off < 3 sec