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USB board
To remove the USB board, use this procedure and illustration. Before removing the board, you can remove the
system board, heat sink, and fans as an assembly so you do not have to disturb the thermal material.
Table 5-6
USB board description and part number
Description
USB board (includes bracket)
USB board cable (included in the Cable Kit)
USB bracket (included in the Bracket Kit)
Before removing the USB board, follow these steps:
1.
Prepare the computer for disassembly (see
2.
Remove the bottom cover (see
3.
Disconnect the battery cable from the system board (see
Remove the USB board:
1.
Remove the SIM card holder from the slot on the side of the computer (1).
2.
Lift the tape that covers the two ZIF connectors on the USB board (2).
3.
Disconnect the two ribbon cables from the ZIF connectors on the USB board (3).
4.
Disconnect the speaker cable from the connector on the USB board (4).
5.
Remove the two Phillips M2.0 × 4.0 screws (1) that secure the USB bracket, and then remove the bracket
(2).
6.
Remove the two Phillips M2.0 × 2.5 screws (3) that secure the board to the computer.
Preparation for disassembly on page
Bottom cover on page
24).
24).
Battery on page
25).
Spare part number
N19728-001
N19718-001
N19724-001
USB board
33
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