Agilent Technologies E4448A Service Guide

Chapter 11 357
Assembly Replacement Procedures
Attenuator Assembly E4440A, E4443A, E4445A
Attenuator Assembly
E4440A, E4443A, E4445A
CAUTION Use ESD precautions when performing this replacement procedure.
Removal
1. If you haven’t already done so, remove the instrument outer case
and top brace. Refer to the “Instrument Outer Case” and the “Top
Brace” removal procedures.
2. Drop the front frame. Refer to the “Front Frame” section.
3. Unplug the ribbon cables from the attenuators.
4. Refer to Figure 11-35. Unplug the coaxial cable W20 from the
locations marked (1).
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.

Agilent Technologies E4448A Specifications

General

Brand	Agilent Technologies
Model	E4448A
Category	Measuring Instruments
Language	English