66 N9030B PXA Signal Analyzer Service Guide
Boot Up and Initialization Troubleshooting
Potential Problems During Boot Process
Are all of the power supply voltages at the proper level?
If yes:
Proceed to step 4.
If not:
After verifying that the connections between the A6 Power Supply,
the A7 Midplane board, and the A8 Motherboard are all
mechanically and electrically secure, replace the A6 Power Supply
assembly.
4. Connect an external VGA monitor to the rear panel display output.
Does the external monitor display the correct information?
If yes:
Proceed to the “Troubleshooting a Blank Display” section in this
chapter.
If not:
Replace the A4 Processor Board assembly.
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