Agilent Technologies E4980A Service Guide

Chapter 6 101
Replacement Procedure
PPMC PCA Replacement
6. Replacement Procedure
PPMC PCA Replacement
Tools Required
• Torque screwdriver, TORX T20
• Torque screwdriver, TORX T8
Removal Procedure
Refer to Figure 6-7 for this procedure.
Step 1. Remove the 3/4 rack module top as described in “3/4 Rack Module Top Replacement” on
page 90.
Step 2. Remove the four TORX T8 screws (item 1) fastening the PPMC PCA.
Step 3. Remove the Angle CPU (item 2) from the PPMC PCA.
Step 4. Disconnect the ground cable (item 3).
Step 5. Carefully disconnect the PPMC PCA from A1 Mother Board.
Step 6. Carefully disconnect the GPIB cable (item 4) from PPMC PCA.
Step 7. Remove the USB gasket (item 5) from the PPMC PCA.
Replacement Procedure
Step 1. Reverse the order of the removal procedure.
NOTE When you fasten the PPMC PCA with the four TORX T8 screws, set screwdriver's torque
to 3 in-lb.

Agilent Technologies E4980A Specifications

General

Brand	Agilent Technologies
Model	E4980A
Category	Measuring Instruments
Language	English