To Test The Auxiliary Power - Agilent Technologies 1670G Series Service Manual

Troubleshooting

To test the auxiliary power

To test the auxiliary power
The +5 V auxiliary power is protected by a current overload protection device. 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
•
Use the multimeter to verify the +5 V on pins 1 and 39 of the probe cables.
5–36
Critical Specifications
0.1 mV resolution, better than
0.005% accuracy
Recommended
Model/Part
E2373A