A27 40 Ghz Doubler (Option 540); Tools Required; Removal Procedure; Replacement Procedure - Keysight Technologies E8257D Service Manual

Assembly Replacement

A27 40 GHz Doubler (Option 540)

A27 40 GHz Doubler (Option 540)

Tools Required

— T–10 driver
— 5/16" open–ended wrench

Removal Procedure

Refer to
1. Disconnect the power cord.
2. Remove the covers from the signal generator. Refer to
3. Position the signal generator with the A31 Motherboard facing away from
4. Using the 5/16" open–ended wrench, disconnect the following RF cables:
5. Using the T–10 driver, remove the two screws that attach the A27 40 GHz
6. Disconnect the W29 ribbon cable from the A27 40 GHz Doubler's board.
7. Remove the A27 40 GHz Doubler from the RF deck.

Replacement Procedure

1. Reverse the order of the removal procedure.
2. Torque all T–10 screws to 9 in–lbs.
3. Torque all RF connectors to 8 in–lbs.
4. Perform the post–repair adjustments and performance tests that pertain
E8257D/67D, E8663D PSG Signal Generators Service Guide
Figure 3-48 for this procedure.
Cover" on page 258 and
"Inner Instrument Cover" on page
you and the RF deck on top.
— Standard – W30 from A27 40 GHz Doubler or
Option 1EM – W83 from A27 40 GHz Doubler
— W31 from A27J3
— W32 from A27J1
Doubler to the side panel.
to this removal procedure.
"Outer Instrument
260.
337