Keysight Technologies FieldFox N9913A Service Manual page 122

Repair and Replacement Procedures
Removing and Replacing the Case Group Parts
4. Refer to Figure 7-11. Remove the two screws (5) that secure the I/O side
panel to the A5 System board and remove the I/O side panel.
Figure 7-11 Replacing the I/O Side Panel
122 Keysight FieldFox Handheld Analyzers Service Guide