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Assembly Replacement Procedures
RF Front End Assembly
RF Front End Assembly
Removal
1. Remove the instrument outer case. Refer to the Instrument Outer
Caseremoval procedure.
2. Remove the instrument top brace. Refer to the Top Brace and Reference
Bracket removal procedure.
3. Remove the front panel. Refer to the Front Frame Assembly removal
procedure.
4. Refer to Figure 14-35. Using the 5/16 inch wrench, remove the cables W3,
W4, W5, W7, W15 or W36, and W20 attached to the RF Front End
Assembly (1).
NOTE W7 will not be present in instruments with Option 503.
5. Remove the ribbon cable W17 from the RF Front End Assembly.
6. Remove the four screws (2) using the T-10 driver. The RF Front End
Assembly can now be removed from the chassis.
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