Power Supply - Hitachi CML174SXW2 Service Manual

2.7 POWER SUPPLY

2.7.1 Input Voltage Range
The monitor shall operate within specification over the range of 90 to 265VAC power supply.
2.7.2 Input Frequency Range
Input power frequency range shall be from 47.5 to 63Hz over the specified input
voltage range.
2.7.3 Quick Specification Review
•
Input Current
•
Inrush Current @ cold start
•
Output
Output Volt
•
Total Output Power:
•
Withstanding Voltage:
•
Leakage Current:
•
Efficiency:
2.7.4 Power Management
2.7.4.1 Meets VESA DPMS Proposal
The monitor must comply with the Microsoft On Now specification, with a minimum of three power
management states, as defined by the VESA DPMS document. The front panel of the monitor must
appropriately display the DPMS state, For example:
DPMS ON :
DPMS OFF :
2.7.5 Power Consumption
On mode
Off mode
DC power off
Power SW off
Disconnection
1.2A (max) at 90VAC input and full load
0.6A (max) at 264VAC input and full load.
30A(0-peak) @ 110Vac, 50A (0-peak) @ 220Vac
(measured when switched off for at least 10 mins.)
Tolerance
±5%
+5Vdc
+5Vdc ±5%
+12Vdc +25%/-5%
The power LED is Green
The power LED is Amber
Output Current
- MIN
0A
0A
0A
48 Watt max.
1.5Kvac or 2.2KVdc for 1 minute.
< 0.25mA/100Vac, <3.5mA/230Vac
70% min. @15V/230VAC, maximum load.
48 Wmax
4 Wmax
4 Wmax
1 Wmax
4 Wmax
15
Volt Tolerance
MAX
4.8~5.2Vdc
1.0A
(for Audio)
1.5A 4.8~5.2V dc
2.2A 11.4~15Vdc
Green
Amber
Dark
Dark
Dark (DC power off)
Amber (DC power on)