Keysight N5171B EXG Service Manual page 110

Troubleshooting
Troubleshooting the 6 GHz Electronic Attenuator
Keysight X-Series Signal Generators Service Guide
— If the voltages are within limits, the A1 Power Supply is not at fault.
Replace the A3 RF assembly.
— If any voltages are incorrect, the faulty assembly could be either the
A1 Power Supply or the A3 RF assembly.
a. Replace the A1 Power Supply
b. Repeat
c. If the voltages are still incorrect replace the A3 RF
assembly.
1. If you replaced the A1 Power Supply, but the A3 RF assembly was the faulty assembly,
you can return the new A1 Power Supply to Keysight.
step 1.
1
.
103