Keysight Technologies X Series Service Manual page 153

RF Section Troubleshooting (RF/Microwave Analyzers)
Troubleshooting
If the Reference assembly calibrator is functioning properly the 50 MHz
calibrator signal will measure 50 MHz at −25 dBm ± 3 dB. See
this level is incorrect, the Reference assembly is most likely defective.
Reconnect W19 at A9 Input Attenuator A.
Figure 4-6 50 MHz Calibrator Signal
Keysight N9010A EXA Service Guide
Figure 4-6. If
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