A51 Lcd Replacement; Tools Required; Removal Procedure; Replacement Procedure - Agilent Technologies E5052A Service Manual

A51 LCD Replacement

Tools Required

• TORX screwdriver, T10, T15, and T20
• Open-end torque wrench, 5/16 inch (set to 10 in-lb) (for reconnecting SMA connector)
• Flat edge screwdriver

Removal Procedure

Refer to Figure 6-27 for this procedure.
Step 1. Remove the front panel as described in"Front Panel Removal" on page 178.
Step 2. Release the clamped cables from the clamps (item 1) on the cover.
Step 3. Disconnect the cable (item 4).
NOTE Keep the mylar cable (item 5) connected.
Step 4. Disconnect the cables (item 2, 3, and 6) from the touch screen controller.
Step 5. Remove the six TORX T10 screws (item 7) fastening the cover to the front panel.
Step 6. Disconnect the cable from the front keyboard (item 8).
Step 7. Release the cable from the clamps (item 9) on the LCD.
Step 8. Remove the two TORX T15 screws (item 10) fastening the inverter assembly.
Step 9. Disconnect the cable (item 11).
Step 10. Remove the four TORX T15 screws (item 12) fastening the LCD to the front panel.
Step 11. Disconnect the connector (item 13) from the LCD adapter.

Replacement Procedure

Step 1. Reverse the order of the removal procedure.
NOTE
Fasten the TORX T15 screws (item 10, 12) using a torque screwdriver ( set to 1.02 N-m /
9.0 lb-in).
Step 2. When you have replaced the LCD on a E5052A, you have to calibrate the touch screen.
Follow the procedure described on "Calibration of the Touch Screen" on page 182.
Chapter 6
Replacement Procedure
A51 LCD Replacement
215