Compaq 7470 Service Guide - Page 75

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Maintenance and Service Guide Compaq Presario 7400 Series Computers MSG index Product Description Home Removal & Replacement Troubleshooting Jumper & Switch Information Illustrated Parts Catalog Specifications System Power supply Diskette drive Hard drives DVD drive CD drives Mouse Fax/modem Zip drive SPECIFICATIONS Input Specifications Nominal Line Voltage Power Supply U. S. 100 to 120 VAC Range Input Line 90 to 132 VAC Outside U. S. 220 to 240 VAC 180 to 264 VAC Frequency Range 47 to 63 Hz 47 to 63 Hz Input Power 210 Watts 210 Watts Input Current 4.5 at 90 VAC 2.2 at 180 VAC Holdup Time 16 ms from zero 16 ms from zero crossing at 120 VAC crossing at 240 VAC General Specifications Full Output Rating To 122° F and 5,000 ft To 90° F and 10,000 ft (derate linearly) Minimum Load 1.0 A on + 5.0 V output 0.2 A on 12 V output Ambient Temperature Range To 50° C and 1524 m To 32° C and 3048 m (derate linearly) 1.0 A on + 5.0 V output; 0.2 A on 12 V output Operating 50° to 122° F 10° to 50° C Storage -40° to 151° F -40° to 66° C Dielectric Voltage Withstand Input to Ground 1500 VAC/1 second Safety Standard UL 1950; CSA 22.2 #950 or CSA 22.2 #234; TUV/VDE EN 60 950 (VDE0805/11.91); EMKO-TSE (74-SEC) 207/93 Input Transient Susceptibility Common and Differential Mode (superimposed on AC line) 2500 V, 1 µs, damped sinusoidal 600 V, 10 µs pulse Differential Mode 20% step change in AC input voltage

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Maintenance and Service Guide
Compaq Presario 7400 Series Computers
MSG index
Product Description
Troubleshooting
Illustrated Parts
Catalog
Home
Removal &
Replacement
Jumper & Switch
Information
Specifications
System
Power supply
Diskette drive
Hard drives
DVD drive
CD drives
Mouse
Fax/modem
Zip drive
SPECIFICATIONS
Power Supply
U. S.
Outside U. S.
Input Specifications
Nominal Line
Voltage
100 to 120 VAC
220 to 240 VAC
Range Input
Line
90 to 132 VAC
180 to 264 VAC
Frequency
Range
47 to 63 Hz
47 to 63 Hz
Input Power
210 Watts
210 Watts
Input Current
4.5 at 90 VAC
2.2 at 180 VAC
Holdup Time
16 ms from zero
crossing at 120 VAC
16 ms from zero
crossing at 240 VAC
General Specifications
Full Output
Rating
To 122° F and 5,000
ft
To 90° F and 10,000
ft (derate linearly)
To 50° C and 1524
m
To 32° C and 3048
m (derate linearly)
Minimum Load
1.0 A on + 5.0 V
output
0.2 A on 12 V output
1.0 A on + 5.0 V
output; 0.2 A on 12
V output
Ambient Temperature Range
Operating
50° to 122° F
10° to 50° C
Storage
-40° to 151° F
-40° to 66° C
Dielectric Voltage Withstand
Input to
Ground
1500 VAC/1 second
Safety Standard
UL 1950; CSA 22.2 #950 or CSA 22.2
#234; TUV/VDE EN 60 950
(VDE0805/11.91); EMKO-TSE (74-SEC)
207/93
Input Transient Susceptibility
Common and
Differential
Mode
(superimposed
on AC line)
2500 V, 1 μs, damped sinusoidal
600 V, 10 μs pulse
Differential
Mode
20% step change in AC input voltage