280 N9030B PXA Signal Analyzer Service Guide
CPU/Disk Drive Troubleshooting
A4 Processor Board Assembly Troubleshooting
A4 Processor Board Assembly Troubleshooting
The A4 Processor board assembly is serviced as an assembly only; no
component level repair is supported.
Boot-Up or Initialization Problems
Typical failures of the A4 Processor board assembly will cause the instrument
to not boot-up or initialize properly. These types of failures can also be caused
by a variety of other assemblies as well. In order to determine whether a
problem such as this is being caused by a defective A4 Processor board
assembly, first see the PXA Instrument Boot Up Process on page 53 to
eliminate other possibilities.
Remote Monitor Troubleshooting
When an external monitor is connected to the analyzer, the remote monitor
should automatically begin working.
If the remote monitor does not function, perform the following:
1. Turn off the analyzer.
2. Assure the external monitor has power and that the VGA cable is
connected properly to both the monitor and the analyzer.
3. Turn on the analyzer and wait for it to fully boot-up.
4. Connect a mouse to the analyzer, and either click on the desktop, or on
the blue display icon on the task bar. Choose Graphics Properties.
5. Compare the settings on your analyzer to the settings shown below:
Figure 9-1 Monitor Set-Up
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