622                                       Keysight N9038A MXE Service Guide
Assembly Replacement Procedures
Front Frame Assembly
Front Frame Assembly
Removal 
1. Remove the instrument outer case. Refer to the Instrument Outer Case 
removal procedure.
2. If Option EXM, External Mixing is installed, disconnect the semi-rigid cable 
connection (1) as shown in Figure 18-67.
3. Refer to Figure 18-67. Using the T-10 driver, remove the eight screws (2) 
(0515-1035), four on each side, to detach the Front Frame Assembly from 
the chassis.
4. Refer to Figure 18-68. Pull the Front Frame Assembly carefully away from 
the chassis. Remove the ribbon cable W8 from the motherboard. The 
cable has locking tabs on each side, pinch and pull to release.
5. Refer to Figure 18-68. Remove W6 from the A23 Limiter Assembly.
Figure 18-67  Front Frame Assembly Removal
Make sure any connectors on the front panel are removed.