Keysight Technologies X Series Service Manual page 268

Analog/Digital IF Troubleshooting
25 MHz BW IF Section
Verifying the 22.5 MHz Output Power
1. Turn the instrument off.
2. Turn the instrument over so the bottom side of the analyzer is facing up.
3. Turn on the N9010A Signal Analyzer and wait for the instrument to
4. Press System, Alignments, Auto Align, Off.
5. Press Input/Output, RF calibrator, 50 MHz.
6. Verify the 50 MHz signal is at −25 dBm by pressing FREQ, 50 MHz, SPAN,
7. To continue verifying press SPAN, Zero Span. Verify the input attenuator
8. Refer to
Figure 7-4 A3 Digital I.F. Cables
268
complete the boot up process.
1 MHz, Peak Search on the analyzer. The marker readout should be
50 MHz at −25 dBm ± 3 dBm. If this reference signal is measuring
incorrectly, see Chapter 4, "RF Section Troubleshooting (RF/Microwave
Analyzers)" in this service guide.
on the N9010A is set to 10 dB. Look near the top of the display near the
center and verify that Atten: 10 dB is visible. If needed change the input
attenuator by pressing AMPTD, Attenuation, 10 dB on the analyzer.
Figure 7-4, carefully disconnect the W13 cable at A3J15.
Keysight N9010A EXA Service Guide