What You Will Find In This Chapter - Agilent Technologies N9039A Service Manual

Troubleshooting

What You Will Find in This Chapter

What You Will Find in This Chapter
This chapter provides information that is useful when starting to troubleshoot an
RF Preselector. It includes procedures for troubleshooting common failures and
provides information on isolating problems in the instrument.
The following sections are found in this chapter:
Instrument Boot Up Process
Typical instrument boot-up process flow
Potential Problems During Boot Process
Yellow Standby LED Does Not Illuminate
Green Power On LED Does Not Illuminate
Fan(s) Are Not Operating
No Agilent Splash Screen Displayed
Instrument Hangs at the Agilent Splash Screen
PCI Enumeration Error
Instrument Cannot Completely Load or Run the Operating System
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Troubleshooting a Blank Display
Verify LCD Backlight Functionality
Verify Video Signal Path Integrity
Video Controller / LCD Troubleshooting
Initializations Did Not Complete
A3 - Digital I/O Board Assembly
System Synchronization
RF Preselector Filter Hardware Control
FPGA Code ....................................................................................
PCI Enumeration Error
A4 Processor Board Assembly
Boot-Up or Initialization Problems
BIOS Settings ................................................................................
Accessing BIOS Setup Utility
A5 Disk Drive Assembly
Software Viruses
Data Backup ...................................................................................
Calibration File
User Data ..................................................................................
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Chapter 2
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