Chapter 3 221
Assembly Replacement
Procedure 16. A21 OCXO (Non-Option 103)
Procedure 16. A21 OCXO (Non-Option 103)
Removal
1. Remove the rear frame assembly as described in steps 1 through 22
under "Procedure 13. Rear Frame/Rear Dress Panel Removal,"
steps 1 through 22.
2. Place the spectrum analyzer on its right side frame.
3. Fold out the A14 and A15 assemblies as described in steps 3 and 4
under "Procedure 9. A14 and A15 Assemblies Removal."
4. Remove the three screws (1) and three shoulder washers securing
the OCXO to the main deck. See Figure 3-35 on page 222.
5. Disconnect W49, coax 82, from the OCXO and disconnect W50
(orange cable) from the A15 RF assembly. Clip the tie wraps that
hold W49 and W50 together and remove the OCXO and insulator
from the spectrum analyzer (leaving the orange cable connected).
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