84 Keysight E4980A/E4980AL Precision LCR Meter
Replacement Procedure
PPMC PCA Replacement
6-
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 73.
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.
To Next Page
Loading...
