Keysight Technologies X Series Service Manual page 298

Analog/Digital IF Troubleshooting
40 MHz BW IF Section
10.Refer to
Figure 7-20 A3 Digital IF Cables
11. Connect the W38 cable to the MMCX female to SMA female connector.
12. Press Freq, 250 MHz, Span, 1 MHz, Peak Search on the functioning
298
Figure 7-20, carefully disconnect W38.
Use an appropriate cable to go from the SMA connector to the RF input of
a functioning spectrum analyzer to verify the 250 MHz I.F. signal
frequency and amplitude is correct.
spectrum analyzer.
Keysight N9010A EXA Service Guide