Agilent Technologies FieldFox N9923AN Service Manual page 91

RF Vector Network Analyzer
N9923AN
4. Remove the three doors from the old I/O side panel:
a. Open each door to its stopping point, then GENTLY force it beyond its stopping point
to separate it from the panel.
5. Install the three doors in the new I/O side panel:
a. Place each door in its respective opening with the hinges aligned with the hinge slots
in the side panel.
b. Press the hinges into their slots until they snap into place.
Figure 7-9 Replacing the I/O Side Panel Doors and Gasket
6. Before installing the new I/O side panel, or when reinstalling the existing I/O side
panel, install a new gasket in the groove around the perimeter of the panel.
If an old gasket must be removed, use tweezers being careful not to damage the groove.
Start in the groove near the flat end of the side panel. Be careful not to stretch or
damage the gasket in any way. Also, make sure there is no slack in the gasket. A new
gasket is provided in the
of the two gaskets provided in the kit.
7. To install the new I/O side panel, place it in position on the A5 system board and
reinstall the two attachment screws. See
8. Reinstall the measurement group assemblies (RF top panel assembly, A4 RF board, A5
system board, and A6 SOM board) as one unit with the new I/O panel attached.
9. Reinstall the rear case onto the front case. See
Service Guide N9923-90005
Repair and Re-assembly Kit
Figure
Repair and Replacement Procedures
Removing and Replacing the Case Group Parts
(see page 6-12). It is the smaller
7-8.
Combining the Front and Rear Cases.
7-13