N9030B PXA Signal Analyzer Service Guide 495
Assembly Replacement Procedures
RF Front End Assembly
RF Front End Assembly
Removal
1. Remove the instrument outer case. Refer to the Instrument Outer Case
removal procedure.
2. Remove the instrument top brace. Refer to the Top Brace and Power
Supply Bracketremoval procedure.
3. Remove the front panel. Refer to the Front Frame Assembly removal
procedure.
4. Refer to Figure 16-62 and Figure 16-63. Using the 5/16 inch wrench,
remove the cables attached to A13A1J1, A13A1J2, A13A1J4, A13A1J5,
A13A1J6, A13A1J7, A13A1J9 on the RF Front End Assembly. If the
analyzer has Option EXM, remove the cables attached to A13A1J8 and
A13A1J13 also.
5. Remove the W22 and W28 ribbon cables from Front End Controller board
connectors J102 and J1300. The ribbon cables then can be removed from
the Front End Assembly connectors A13A1J12 and A13A2J1 once it is out
of the instrument.
6. Remove the six screws (1) (0515-0372) using the T-10 driver. The RF
Front End Assembly can now be removed from the chassis.
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