Keysight Technologies Option 503 Service Manual page 236

Analog/Digital IF Troubleshooting
A2 Analog IF Troubleshooting
4. The analyzer marker should read 300 MHz at 10 dBm ± 3 dB as shown in
Figure 7-6 300 MHz LO
5. If the 300 MHz signal is not measuring the correct power level, see the
6. If the 300 MHz LO is measuring the correct power level and frequency and
236
Figure 7-6.
A16 Reference Assembly troubleshooting section in this service guide.
the 22.5 MHz signal is low, the most probable cause is the A2 Analog IF
assembly.
N9030A PXA Signal Analyzer Service Guide