Keysight N5171B EXG Service Manual page 37

Troubleshooting
Running Self Test
If self tests take longer then 10 minutes to complete, go to
Troubleshooting" on page 45
4. Locate the number and name of the failed test for your signal generator
5. Prior to permanently replacing any of the following assemblies refer to
The following process should only be completed if the suspect assembly has been confirmed to
be bad/faulty. Completing the assembly replacement process accidentally on a good/working
assembly could cause problems with the subsequent replacement of the actual bad/faulty
assembly.
Ensure that the power supply is functioning correctly prior to running the self tests.
6. After permanently replacing one of the assemblies listed, the
If the
hardware may not function properly (e.g. instrument errors and possibly self-test failures).
30
•
The current status of the self-test is:
Success. All self tests have passed
•
The current status of the self-test is:
Failure. One or more tests have failed. System
diagnostics indicate this test as the root
failure: xxx
If the signal generator fails only one test, the title of the failed test
displays. If the signal generator fails more than one test, the test
number of the most significant failure displays.
model in Table 1. The Resolution column in the table lists the assembly in
which the failure is likely to have occurred or other troubleshooting
information for that test.
"Assembly Installation and Removal Overview" on page
the "Assembly Removal and Installation Procedure" on page
— A2 Vector Module Assembly (N5172B/82B only)
— A3 RF Assembly (All models)
— A5 CPU (All models)
— A7 Micro-Deck Assembly (N5173B/83B only)
Removal and Installation Procedure" on page 164
"Assembly Removal and Installation Procedure"
"A1 Power Supply
to troubleshoot a possible power supply failure.
is not performed the instrument
Keysight X-Series Signal Generators Service Guide
162, and complete
164.
"Assembly
must be performed.