Power Supply - Compaq 7470 - Presario - 64 MB RAM Maintenance And Service Manual

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Maintenance and Service Guide
Compaq Presario 7400 Series Computers
Removal &
SPECIFICATIONS
Input Specifications
Nominal Line
Voltage
Range Input
Line
Frequency
Range
Input Power
Input Current
Holdup Time
General Specifications
Full Output
Rating
Minimum Load
Ambient Temperature Range
Operating
Storage
Dielectric Voltage Withstand
Input to
Ground
Safety Standard
Input Transient Susceptibility
Common and
Differential
Mode
(superimposed
on AC line)
Differential
Mode
Troubleshooting
Jumper & Switch
Information
Power Supply
U. S.
100 to 120 VAC
90 to 132 VAC
47 to 63 Hz
210 Watts
4.5 at 90 VAC
16 ms from zero
crossing at 120 VAC
To 122° F and 5,000
ft
To 90° F and 10,000
ft (derate linearly)
1.0 A on + 5.0 V
output
0.2 A on 12 V output
50° to 122° F
-40° to 151° F
1500 VAC/1 second
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
2500 V, 1 µs, damped sinusoidal
600 V, 10 µs pulse
20% step change in AC input voltage
Illustrated Parts
Catalog
Specifications
Outside U. S.
220 to 240 VAC
180 to 264 VAC
47 to 63 Hz
210 Watts
2.2 at 180 VAC
16 ms from zero
crossing at 240 VAC
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
10° to 50° C
-40° to 66° C