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Front End Control Troubleshooting
A15 Front End Control Assembly Troubleshooting
Verifying Option CR3
Press the following keys on the analyzer:
Mode, Spectrum Analyzer, Mode Preset, Input/Output, RF Calibrator, 50
MHz, Freq, 50 MHz, Span, 0 Hz, System, Alignments, Auto Align, Off,
Input/Output, More 1 of 2, Output Config, Aux IF Out, Second IF
Connect the Aux I.F. Output on the rear panel to the RF Input of a functioning
spectrum analyzer. If the A15 Front End Controller is switching the I.F.
correctly, you should measure 322.5 MHz at −35 dBm ±3 dB as per Figure 5-8.
Figure 5-8 322.5 MHz
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