Keysight N9038A MXE Service Guide 543
Assembly Replacement Procedures
RF Area - Option 503, 508, & 526
Replacement
1. Refer to Figure 18-11. Place the switch onto the bracket and replace the
four screws (3) (0515-0372). Torque to 9 inch-pounds in the sequence
shown, starting with #1.
2. Place the switch/bracket into place into the chassis and replace the three
screws (0515-0372). Torque to 9 inch-pounds starting with the screw
closest to the front of the instrument.
3. Refer to Figure 18-9. Replace the semi-rigid cables W37, W38, and W39.
Torque to 10 inch-pounds.
4. Replace the ribbon cable W4. Ensure locking tabs on the sides of the
connector are engaged.
5. Refer to Figure 18-7. Position the Chassis Right Side Outer bracket onto
the chassis and replace the sixteen 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.