Display Interface Replacement; Tools Required; Removal Procedure; Replacement Procedure - Keysight E4980A Service Manual

Replacement Procedure

Display Interface Replacement

Display Interface 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 PCA E4980 USB as described in
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 Front Panel Assembly as described in
Removal" on page
Step 6. Remove the Inverter as described in
Step 7. Remove the Front Panel, the Key Pad, and the Key Flex Circuit as described in
"Front Panel, Key Pad, and Key Flex Circuit Replacement" on page
Step 8. Remove the four TORX T6 screws (item 1) fastening the LCD Display.
Step 9. Remove the LCD Display (item 2) from the Display Support with the Display
Interface.
Step 10. Carefully remove the Display Interface (item 3) from the Display Support (item
4).
Replacement Procedure
Step 1. Reverse the order of the removal procedure.
When you fasten the LCD Display with the four TORX T6 screws, set
screwdriver's torque to 3.05 in-lb.
When you replace the LCD Display with a new one, stick new gaskets (P/N
: E4980-25003 x 2, E4980-25004 x 2) to surroundings on the LCD Display.
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 6-19 for this procedure.
73.
102.
79.
81.
"3/4 Rack Module Top
"PCA E4980 USB Replacement"
77.
"A2 Analog Board Replacement"
"Front Panel Assembly
"Inverter Replacement" on page
"A3 Analog Daughter
105.
107.
109