Removal Process (Ab-Cover Display Assembly) - Microsoft Surface Laptop 3 Service Manual

Prerequisite Steps:
• AB-cover Replacement Mode – Pulls calibration data from the old AB-Cover.
1. Connect software tools USB drive with software tools to USB connector on device under repair.
2. Connect power supply to device to enable power on.
3. Power on device – Depress the power button on the C-cover to power on the device.
4. Run software tool – At the device OS, use Windows Explorer, navigate to USB drive and run:
STEP1_DisplayModuleReplacement.cmd – accept the power down prompt once tool is run.
IMPORTANT:
AB-cover display assembly is replaced. Retry previous step if error message received.
General Safety – Check to make sure that general guidelines and ESD compliance steps are followed prior to
•
opening device. Refer to Prior to Device Disassembly section
• Remove feet – Follow steps for Procedure-Removal (Non-Skid Feet) on
• Remove C-cover – Follow steps for C-cover Keyboard Assembly Replacement Processes (Metal, Fabric) on
(page 24).
• Remove rSSD – Follow steps for Procedure-Removal (rSSD) section

Removal Process (AB-cover Display Assembly)

1. Disconnect Antenna Cable – Using angled tweezers, disassemble left antenna cable located to the left
of the left AB-cover FPC RF shield. This will prevent the antenna cable from being damaged during
shield removal.
2. Remove FPC RF Baffles – Using tweezers, remove the left and right baffles that sit on top of the RF shield
cans by prying upwards starting from one end of the baffle.
39
This step must be carried out on the device successfully before the broken/faulty
(page 18) for details.
(page
M1179886
(page 19).
36).