Keysight N9038A - Replacement

572 Keysight N9038A MXE Service Guide
Assembly Replacement Procedures
RF Front End Assembly
7. Refer to Figure 18-37. Remove the four screws (1) (0515-0372) using the
T-10 driver. The RF Front End Assembly can now be removed from the
chassis.
Figure 18-37 RF Front End Assembly Removal
Replacement
1. Refer to Figure 18-37. Attach the W5 ribbon cable to the Front End
Assembly first. Route behind the Front End Assembly and ensure the cable
is engaged under the tabs, then place the RF Front End Assembly into the
chassis. If you are replacing the Front End Assembly make sure to reinstall
the 50 ohm loads onto A13J3, A13J5, and A13J8. Torque to
10 inch-pounds.
2. Replace the four screws (1) (0515-0372). Torque to 9 inch-pounds.
3. Reattach the cables to A13J1, A13J2, A13J4, A13J6, A13J7, A13J9 on the
RF Front End Assembly. Torque the semi-rigid cables to 10 inch-pounds.
4. Replace the front panel. Refer to the Front Frame Assembly replacement
procedure.
5. Replace the instrument top brace. Refer to the Top Brace and Power
Supply Bracket replacement procedure.
6. Replace the instrument outer case. Refer to the Instrument Outer Case
replacement procedure.