2. Detach the power/volume button board (2) from the display panel assembly. (The power/volume
button board is attached to the display panel assembly with double-sided adhesive.
3. Remove the power/volume button board and cable.
Reverse this procedure to install the power/volume button board.
System board
Description Spare part number
System board equipped with an AllWinner A31S 1.00-GHz quad core processor, 1.0-GB LP-
DDR2 system memory and an 8.0-GB Nand flash drive
775001-001
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 back cover (see
Back cover on page 14).
5. Disconnect the battery cable from the system board (see
Battery on page 16).
System board
23
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