Keysight N9038A MXE Service Guide 563
Assembly Replacement Procedures
RF Area - Option 544
YTF Preselector - Option 544
Removal
1. Refer to Figure 18-29. Remove cables W39 and W40 from the YTF
Preselector (1).
2. Remove the wire harness W12.
3. Refer to Figure 18-30. From the bottom of the instrument, remove the four
screws (1) (0515-0372). The YTF Preselector can now be removed from
the chassis (may require lifting up slightly on the RF Switch/High Band
Preamp assembly).
Figure 18-29 YTF Preselector Removal - Option 544
Item Keysight Part Number
W39
N9010-20005
W40
N9038-21338