A27 40 Ghz Doubler (E8244A And E8254A Models Only); Tools Required; Removal Procedure; Replacement Procedure - Agilent Technologies PSG Series Service Manual

Assembly Replacement

A27 40 GHz Doubler (E8244A and E8254A Models Only)

A27 40 GHz Doubler (E8244A and E8254A Models Only)

Tools Required

• T-10 driver
• 5/16" open ended wrench

Removal Procedure

Refer to Figure 2-30 for this procedure.
1. Disconnect the power cord.
2. Remove the covers from the signal generator. Refer to
"Inner Instrument Cover" on page
3. Position the signal generator with the A31 Motherboard facing away from you and the RF deck on top.
4. Using the 5/16" open ended wrench, disconnect the W30 RF cable from the A27 40 GHz Coupler.
5. Using the 5/16" open ended wrench, disconnect the W31 RF cable from A27J3.
6. Using the 5/16" open ended wrench, disconnect the W32 RF cable from A27J1.
7. Using the T-10 driver, remove the two screws that attach the A27 40 GHz Doubler to the side panel.
8. Disconnect the W29 ribbon cable from the A27 40 GHz Doubler's board.
9. Remove the A27 40 GHz Doubler from the RF deck.

Replacement Procedure

• Reverse the order of the removal procedure.
• Torque all T-10 screws to 9 in-lbs.
• Torque all RF connectors to 8 in-lbs.
• Perform the post-repair adjustments and performance tests that pertain to this removal procedure.
2-62
"Outer Instrument Cover" on page 2-4
2-6.
and