164 N9030B PXA Signal Analyzer Service Guide
RF Section Troubleshooting (RF/Microwave Analyzers)
Troubleshooting
Disconnect cable W16 at A13A1J7, 322.5 MHz output on the Front End
Assembly. See Figure 4-4. Select Span, 0 Hz.
Figure 4-4 A13A1J7 Location (Options 503, 508, 513, and 526)