Keysight Technologies X Series Service Manual page 169

RF Section Troubleshooting (RF/Microwave Analyzers)
Troubleshooting
Input Attenuator B Power Level Verification
Press AMPTD, Attenuation, 0 dB. Remove output cable W9 from A10 (2).
Refer to
the attenuator using a functioning Spectrum Analyzer.
The level should be −25 dBm ± 2 dB as shown in
Figure 4-15 50 MHz Calibrator Signal on Output of Attenuator B
Keysight N9010A EXA Service Guide
Figure 4-13. Measure the 50 MHz calibrator signal on the output of
Figure 4-15.
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