Attenuator Assembly; E4440A, E4443A, E4445A; Removal; Assembly - Agilent Technologies PSA Series Service Manual

Attenuator Assembly

E4440A, E4443A, E4445A

Use ESD precautions when performing this replacement procedure.
CAUTION

Removal

1. If you haven't already done so, remove the instrument outer case
2. Drop the front frame. Refer to the
3. Unplug the ribbon cables from the attenuators.
4. Refer to
5. Remove the semi-rigid cables W7 and W9.
6. Using the T-10 driver, remove the 4 screws (2).
7. The attenuator assembly can now be removed from the deck.
Chapter 11
and top brace. Refer to the
Brace" removal procedures.
Figure 11-35. Unplug the coaxial cable W20 from the
locations marked (1).
Assembly Replacement Procedures
Attenuator Assembly E4440A, E4443A, E4445A
"Instrument Outer Case"
"Front Frame"
and the "Top
section.
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