PNA Series Microwave Network Analyzers
N5227A
A4–A17 Boards" on page
6. If the measured signal is not present, replace the A24 IF multiplexer board. Refer to
Replacing the A24 IF Multiplexer Board" on page
Service Guide N5227-90001
7-10.
7-24.
Troubleshooting
Measurement System Troubleshooting
"Removing and
4-43