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Assembly Replacement Procedures
RF Area (Options 503, 508, 513, 526)
Replacement
1. Inspect the chassis where the YTF Preselector mounts and remove the gap
2. Refer to
Figure 16-14
Gap Pad Installation
3. Refer to
4.
5. Replace the wire harness W11.
6. Refer to
7. Replace the front panel. Refer to the
8. Replace the instrument outer case. Refer to the
436
pad if present (see
Figure
attached to the faulty YTF Preselector.
Figure
16-14. Install the replacement gap pad (1) (5022-7179)
into the recess in the base of the replacement YTF Preselector (2) Refer to
A12MP1
in
Chapter 15, "Replaceable
clear plastic backing on the pink side of the gap pad. Remove the blue
backing from the other side of the gap pad. Install the gap pad as shown
with the pink side exposed. Carefully peel off the clear plastic backing and
smooth the gap pad into the recess.
Figure
16-13. Place the YTF Preselector into the chassis with the
ports toward the front of the instrument. Replace the four screws (1)
(0515-0372). Torque to 9 inch-pounds.
Figure
16-12. Replace the cables W2, W56 and W57. Torque to
10 inch-pounds.
Figure
16-7. Position the RF bracket onto the chassis and replace
the sixteen screws (0515-0372). Torque to 9 inch-pounds.
procedure.
replacement procedure.
16-14, item (1)). The gap pad may remain
Parts.". Peel back one corner of the
Front Frame Assembly
N9030A PXA Signal Analyzer Service Guide
replacement
Instrument Outer Case
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Troubleshooting
