Maintenance and Service Guide

System board

NOTE: The system board spare part kit is equipped with an Intel Atom z3795 quad core 1.60-GHz

processor (burst up to 2.39-GHz; 2.0-MB L2 cache), and 4096-MB of system memory and includes the

processor, memory, and eMMC.

Description Spare part number

Equipped with 128-GB of eMMC primary storage 753741-001

Equipped with 64-GB of eMMC primary storage 753740-001

Before removing the system board, follow these steps:

1. Turn off the tablet. If you are unsure whether the tablet is off or in Hibernation, turn the tablet on,

and then shut it down through the operating system.

2. Disconnect the power from the tablet by unplugging the power cord from the tablet.

3. Disconnect all external devices from the tablet.

4. Remove the display assembly (see

Display assembly on page 30), and then remove the

following components:

a. NFC antenna (see

NFC antenna on page 38)

b. WWAN module (see

WWAN module on page 39)

c. Power button board (see

Power button board on page 45)

d. Battery (see

Battery on page 51)

Remove the system board:

1. Release the forward-facing webcam (1) from the molding built into the bottom cover.

2. Disconnect the audio jack board cable (2) from the system board.

Tablet component replacement procedures