Ppmc Pca Replacement; Tools Required; Removal Procedure; Replacement Procedure - Keysight E4980A Service Manual

Replacement Procedure

PPMC PCA Replacement

PPMC PCA Replacement

Tools Required

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Removal Procedure

Refer to
Step 1. Remove the 3/4 rack module top as described in
Replacement" on page
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.
When you fasten the PPMC PCA with the four TORX T8 screws, set
screwdriver's torque to 3 in-lb.
84
Torque screwdriver, TORX T20
Torque screwdriver, TORX T8
Figure 6-7 for this procedure.
73.
"3/4 Rack Module Top
Keysight E4980A/E4980AL Precision LCR Meter