Lcd And Display Interface Board Replacement; Tools Required; Removal Procedure; Replacement Procedure - Keysight Technologies E4981A Service Manual

LCD and Display Interface Board Replacement

Tools Required

• Torque screwdriver, TORX T6
• Torque screwdriver, TORX T20
• Box torque wrench, 5/8 inch

Removal Procedure

Refer to
Step 1. Remove the 3/4 rack module top as described in
page
Step 2. Remove the PSU Deck Assembly as described in
page
Step 3. Remove the Front Panel Assembly as described in
page
Step 4. Remove the Inverterl Assembly as described in
page
Step 5. Remove the Display Support as described in
Step 6. Remove the four TORX T6 screws (item 1) fastening the LCD.
Step 7. Remove the LCD from the Display Support with the Display Interface Board.
Step 8. Carefully remove the Display Interface Board from the Display Support.

Replacement Procedure

Step 1. Reverse the order of the removal procedure.
When you replace the LCD with a new one, stick new gaskets (P/N : E4980-25003 ∞ 2,
NOTE
E4980-25004 ∞ 2) to surroundings on the LCD Display.
Chapter 6
Figure 6-22 and for this procedure.
92.
95.
101.
119.
Replacement Procedure
LCD and Display Interface Board Replacement
"3/4 Rack Module Top Replacement" on
"PSU Deck Assembly Removale" on
"Front Panel Assembly Removal" on
"Inverter Assembly Replacement" on
"Display Support Removal" on page 121.
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