Power Supply Assembly Replacement; Tools Required; Removal Procedure - Keysight E4980A Service Manual

Replacement Procedure

Power Supply Assembly Replacement

Power Supply Assembly 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 PPMC PCA as described in
page
Step 3. Remove the A1 Mother Board as described in
Replacement" on page
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
88
Torque screwdriver, TORX T20
Torque screwdriver, TORX T8
Torque screwdriver, TORX T10
Box torque wrench, 5/8 inch
Box torque wrench, 5.5 mm
Figure 6-9 for this procedure.
73.
84.
86.
"3/4 Rack Module Top
"PPMC PCA Replacement" on
"A1 Mother Board
Figure
Keysight E4980A/E4980AL Precision LCR Meter
6-9)