Keysight N9038A MXE Service Guide 559
Assembly Replacement Procedures
RF Area - Option 544
Replacement
1. Refer to Figure 18-25. If the attenuator bracket was removed, position it
back into the chassis and replace the four screws (4) to attach it to the
chassis.Torque to 9 inch-pounds.
2. Position the attenuator in the bracket so that the ribbon connector end is
toward the front of the instrument.
3. Replace the two screws (3) (0515-0372) that attach the attenuator to the
bracket. Torque to 9 inch-pounds.
4. Replace the ribbon cable W3 and semi-rigid cables W25, W28, W29, and
W30 to the attenuator. Torque the semi-rigid cables to 10 inch-pounds.
5. Refer to Figure 18-24. Position the Chassis Right Side Outer bracket onto
the chassis and replace the eleven screws (0515-0372). Torque to
9 inch-pounds.
6. Replace the top brace. Refer to the Top Brace and Power Supply Bracket
replacement procedure.
7. Replace the front panel. Refer to the Front Frame Assembly replacement
procedure.
8. Replace the instrument outer case. Refer to the Instrument Outer Case
replacement procedure.
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