Agilent Technologies FieldFox N9923AN Service Manual page 105

RF Vector Network Analyzer
N9923AN
Replacing the RF Top Panel Assembly
1. Separate the front and rear cases. Refer to
page 7-8.
2. Remove all measurement group assemblies as one unit. Refer to
Measurement Group Assemblies as One Unit" on page
3. Unplug the two connector plugs (tethered caps) from the type-N RF connectors.
4. Disconnect cable W3.
5. Remove the six screws (item 1) and lift the RF top panel over the type-N RF connectors.
6. Position the new RF top panel over the type-N RF connectors and loosely reinstall the
six screws (item 1). Do not tighten these screws at this time; they will be tightened
after the front and rear cases have been combined.
7. Connect cable W3 to the A5 system board connector. There should be an audible click
when the connector is fully in place.
8. Position (tuck) the cable W3 into the cavity above the A5 system board to avoid
interference with nearby parts.
9. Plug the two connector plugs (tethered caps) back into the type-N RF connectors to
protect the connectors.
10. Perform the steps under
Figure 7-19 Replacing the RF Top Panel Assembly
Service Guide N9923-90005
Removing and Replacing the Measurement Group Assemblies
"Separating the Front and Rear Cases" on
"Post-replacement Procedure" on page
Repair and Replacement Procedures
"Removing All
7-25.
7-37.
7-27