Base Plate Replacement; Tools Required; Removal Procedure - Keysight E4980A Service Manual

Replacement Procedure

Base Plate Replacement

Base Plate Replacement

Tools Required

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Removal Procedure

Refer to
Step 1. Remove the Option Interface as described in
on page
Step 2. Remove the 3/4 Rack Module Top as described in
Replacement" on page
Step 3. Remove the A3 Analog Daughter Board as described in
Board Replacement" on page
Step 4. Remove the A2 Analog Board as described in
on page
Step 5. Remove the two TORX T10 screws (item 1) fastening the Shield Angle.
Step 6. Remove the Shield Angle (item 2) from the Base Plate.
Step 7. Remove the PPMC PCA as described in
page
Step 8. Remove the A1 Mother Board as described in
Replacement" on page
Step 9. Remove the Power Supply Assembly as described in
Replacement" on page
Step 10. Remove the seven TORX T20 screws (item 3) fastening the Base Plate.
Step 11. Remove the two TORX T20 screws (item 4) fastening the Base Plate and the
ground cables. Then, remove the ground cables (item 5).
Step 12. Remove the Rack Module Bottom from the Base Plate.
Step 13. Remove the Rear Panel as described from
Assembly Replacement" on page
Step 14. Remove the Base Plate from the Rear Panel.
Keysight E4980A/E4980AL Precision LCR Meter
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
Figure 6-10 for this procedure.
82.
73.
79.
84.
86.
88.
"Option Interface Replacement"
"3/4 Rack Module Top
77.
"A2 Analog Board Replacement"
"PPMC PCA Replacement" on
"A1 Mother Board
Step 9 to
94.
"A3 Analog Daughter
"Power Supply Assembly
in "Rear Panel
Step 11
91