Keysight E4980AL - Rear Panel Assembly Replacement; Tools Required; Removal Procedure

94 Keysight E4980A/E4980AL Precision LCR Meter
Replacement Procedure
Rear Panel Assembly Replacement
6-
Rear Panel Assembly Replacement
Tools Required
• Torque screwdriver, TORX T20
• Torque screwdriver, TORX T8
• Torque screwdriver, TORX T10
• Box torque wrench, 5/8 inch
• Box torque wrench, 5.5 mm
• Box torque wrench, 7 mm
Removal Procedure
Refer to Figure 6-11 for this procedure.
Step 1. Remove the Option Interface as described in “Option Interface Replacement”
on page 82.
Step 2. Remove the 3/4 Rack Module Top as described in “3/4 Rack Module Top
Replacement” on page 73.
Step 3. Remove the A3 Analog Daughter Board as described in “A3 Analog Daughter
Board Replacement” on page 77.
Step 4. Remove the A2 Analog Board as described in “A2 Analog Board Replacement”
on page 79.
Step 5. Remove the PPMC PCA as described in “PPMC PCA Replacement” on
page 84.
Step 6. Remove the A1 Mother Board as described in “A1 Mother Board
Replacement” on page 86.
Step 7. Remove the Power Supply Assembly as described in “Power Supply Assembly
Replacement” on page 88.
Step 8. Remove the bottom clamshell as described from Step 10 to Step 12 in “Base
Plate Replacement” on page 91.
Step 9. Remove the one TORX T20 screw (item 1) fastening the ground cable.
Step 10. Remove the five TORX T10 screws (item 2) fastening the Rear Panel
Assembly.
Step 11. Remove the Rear Panel Assembly from the Base Plate.