A27 40 Ghz Doubler (Options 532 And 544 Only); Tools Required; Removal Procedure; Replacement Procedure - Keysight Technologies E8257D Service Manual

Psg signal generators
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Assembly Replacement

A27 40 GHz Doubler (Options 532 and 544 only)

A27 40 GHz Doubler (Options 532 and 544 only)

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 W116 ribbon cable from A27J10.
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 3-49
for this procedure.
Cover" on page 258
and
you and the RF deck on top.
— W100 from A27J2
— W104 from A27J1
Doubler to the side panel.
to this removal procedure.
"Inner Instrument Cover" on page
"Outer Instrument
260.
339

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