Where To Begin Troubleshooting - Keysight Technologies N5224A Service Manual

Troubleshooting
Measurement System Troubleshooting
Figure 4-8 Typical 5-Receiver Display for 4-Port Models
— If all traces are present and are similar to the traces in
4-8, then there are no major problems with the analyzer's measurement
system. There may, however, be a minor failure in the analyzer.
To test further:
— If any of the traces are not present, are noisy or distorted, or are at an
incorrect level, then there is a problem with the analyzer's measurement
system. Proceed to

Where to Begin Troubleshooting

For the purposes of troubleshooting, the analyzer block diagram is divided into
the following functional groups:
— the source and LO group
Keysight N5224A/25A Service Guide
— Go to Chapter 3, "Tests and Adjustments."
in that section.
— If a problem still exists, contact Keysight. Refer to
Keysight" on page
"Where to Begin Troubleshooting."
2-7.
Figure 4-7 or Figure
and perform all the tests
"Contacting
4-31