88 Keysight E4980A/E4980AL Precision LCR Meter
Replacement Procedure
Power Supply Assembly Replacement
6-
Power Supply 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
Removal Procedure
Refer to Figure 6-9 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 PPMC PCA as described in “PPMC PCA Replacement” on
page 84.
Step 3. Remove the A1 Mother Board as described in “A1 Mother Board
Replacement” on page 86.
Step 4. Disconnect the cable of the inlet (item 1) from the Power Supply Assembly.
Step 5. Remove the four 5.5 mm Standoff (item 2).
Step 6. Remove the TORX T10 screw (item 3) fastening the CPU cover.
Step 7. Remove the CPU cover (item 4).
Step 8. Remove the Power Supply Assembly with the cable power control.
Step 9. Disconnect the cable power control (item 5) from the Power Supply
Assembly.
Do not pull out the power cable (P/N : E4980-61601) from the Power
Supply Assembly when you detach the Power Supply Assembly. There is a
possibility that the Power Supply Assembly could break when the power
cable is forcibly pulled out. (Refer to sub-figure in Figure 6-9)
To Next Page
Loading...
