Service manual

2.5 POWER SUPPLY
Internal Power Supply ILPI-107
Input Voltage Range 90 to 264 VAC
Input Frequency Range 47 to 63 Hertz
Short Circuit Protection Output can be shorted without safety issue
Over Current Protection
5.0A typical at 24VDC
( Protect when short circuit)
Leakage Current 3.5MA (MAX) AT 264VAC / 60HZ
Efficiency (at 115VAC Full Load)
Typical: 80%
Minimum: 75%
Fuse Internal and not user replaceable
Power Output 45 Watts (typ)
Ripple and Noise
Ripple:<3%
Noise: <1%
Max Input AC Current 1.5A (MAX)
Inrush Current (Cold Start)
80 A MAX./ 240V
AC
/ 50HZ
(COLD START AT 25к,FULL LOAD)
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 ±1KV (L-L) and ±2KV (L-PE)
(Refer to EN55024:1998 / CISPR24.1997 / IEC1000-4-5: 1995 /
EN61000-4-5: 1995)
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. Power Switch noise shall not be considered.
Power Saving Operation(Method) VESA DPMS Signaling
Power Consumption
Mode LED
Power
Consumption
On BLUE
45W(typ)
55W(max)
ECO Mode Blue 37W (Optimize)
30 W (Conserve)
Active off Amber <1 W
Off Off <0.5W
Recovery Time On Mode = N/A, Active Off < 3 sec
ViewSonic Corporation
VX2433wm-1
VX2433wm-CN
CONFIDENTIAL – DO NOT COP
Y
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