Keysight Technologies X Series Service Manual page 300

Analog/Digital IF Troubleshooting
40 MHz BW IF Section
Verifying the 100 MHz Reference Input
1. Perform an instrument shutdown.
2. Remove the cover of the analyzer. Refer to
3. Turn the instrument over so that the bottom side of the analyzer is facing
4. Turn on the analyzer and wait for the instrument to complete the boot up
5. Press System, Alignments, Auto Align, Off.
6. Press Input/Output, RF calibrator, 50 MHz.
7. Refer to
Figure 7-22 A3 Digital IF Cables
8. Connect the W42 cable to the MMCX female to SMA female connector.
9. Press AMPTD, Ref Level, 20 dBm, Freq, 100 MHz, Span, 1 MHz, Peak
300
Replacement Procedures"
up.
process.
Figure 7-22, carefully disconnect W42 cable at A3J14.
Use an appropriate cable to go from the SMA connector to the RF input of
a functioning spectrum analyzer to verify the 100 MHz reference frequency
and amplitude is correct.
Search on the functioning spectrum analyzer.
Chapter 15, "Assembly
in this service guide.
Keysight N9010A EXA Service Guide