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Keysight Technologies
N9030B PXA Signal Analyzer
Service Guide
9 CPU/Disk Drive Troubleshooting
What You Will Find in This Chapter
The following information is presented in this chapter:
1. Theory of operation of the CPU section.
2. Isolating the cause of a hardware problem by verifying the functionality of
assemblies in the CPU section.
This following sections are found in this chapter:
A4 CPU Description on page 278
A4 Processor Board Assembly Troubleshooting on page 280
A5 Disk Drive on page 291
Troubleshooting software related issues on page 293
Reloading the X-Series Software on page 294
Disk Drive Recovery Process on page 295
Replacing the instrument disk drive on page 297
Each section first describes how the assembly works, then gives
information to help you troubleshoot the assembly. Each description
explains the purpose of the assembly, describes the main components,
and lists external connections to the assembly