Maintenance and Service Guide

System board
Description Spare part number
System board equipped with a Balong V9R1 Cortex-A9 quad core 1.60-GHz processor, 2.0-GB
of system memory, 16-GB eMMC system storage, and a graphics subsystem with UMA memory
767959-001
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 top and bottom covers (see
Top and bottom covers on page 15).
5. Remove the back cover (see
Back cover on page 16).
6. Disconnect the battery cable from the system board (see
Battery on page 20).
7. Remove the webcam cable bracket (see
Webcam cable bracket on page 22).
8. Remove the speaker (see
Speaker on page 26).
Remove the system board:
1. Disconnect the RF cable from the terminal (1) on the system board.
2. Release the tape (2) that secures the RF cable.
3. Release the RF cable from the metal clip (3) built into the system board.
4. Disconnect the I/O board cable (1) from the system board.
5. Disconnect the front-facing webcam cable (2) from the system board.
System board
27