Inverter Replacement; Tools Required; Removal Procedure; Replacement Procedure - Keysight E4980A Service Manual

Replacement Procedure

Inverter Replacement

Inverter 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 A3 Analog Daughter Board as described in
Board Replacement" on page
Step 3. Remove the A2 Analog Board as described in
on page
Step 4. Remove the Front Panel Assembly as described in
Removal" on page
Step 5. Disconnect the display cable (item 1) from the Inverter.
Step 6. Release the Cable Assy from the clip (item 2) on the Front Panel Assembly.
Step 7. Disconnect the Cable Assy (item 3) from the Front Panel Assembly.
Step 8. Remove the two TORX T6 screws (item 4) fastening the Inverter and the
insulator.
Step 9. Remove the Inverter (item 5) with the insulator (item 6) from the Front Panel
Assembly. Then, remove the Inverter from the insulator.
Replacement Procedure
Step 1. Reverse the order of the removal procedure.
When you fasten the Inverter and the insulator with the two TORX T6
screws, set screwdriver's torque to 3.05 in-lb.
Keysight E4980A/E4980AL Precision LCR Meter
Torque screwdriver, TORX T10
Torque screwdriver, TORX T20
Torque screwdriver, TORX T6
Box torque wrench, 7 mm
Box torque wrench, 5/8 inch
Figure 6-17 for this procedure.
73.
79.
81.
"3/4 Rack Module Top
77.
"A2 Analog Board Replacement"
"Front Panel Assembly
"A3 Analog Daughter
105