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To test the auxiliary power
The +5 V auxiliary power is protected by a current overload protection circuit. If the current
on pins 1 and 39 exceed 0.33 amps, the circuit will open. When the short is removed, the
circuit will reset in approximately 1 minute. There should be +5 V after the 1 minute reset
time.
Equipment Required
Equipment
Digital Multimeter
•
Using the multimeter, verify the +5 V on pins 1 and 39 of the probe cables.
Critical Specifications
Recommended
Model/Part
na
HP E2373A
Troubleshooting
To test the auxiliary power
5–17
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