Machine Maintenance Procedures 3-57
Replacing the Mainboard 0
1. Gently place the mainboard onto the top assembly (Figure 3-73).
Make sure all FPCs are moved away from the mainboard during installation.
Figure 3-73. Replacing the Mainboard
2. Install and secure three (3) screws (A) to the mainboard. Refer to Figure 3-74.
3. Connect the USB board high-speed FPC or LTE board high-speed FPC to the
mainboard connector (C). Refer to Figure 3-74.
4. Connect the USB board low-speed FPC or LTE board low-speed FPC to the mainboard
connector (D). Refer to Figure 3-74.
5. [For C732L & C732LT only] Connect the LTE board FPC to the mainboard connector (E)
. Refer to Figure 3-74.
6. Connect the touchpad FPC to the mainboard connector (F). Refer to Figure 3-74.
7. Connect the keyboard FFC to the mainboard connector (G). Refer to Figure 3-74.
8. Connect the speaker cable to the mainboard connector (H). Refer to Figure 3-74.
Make sure that the LTE board high-speed FPC / USB board high-speed FPC, LTE
board low-speed FPC / USB board low-speed FPC, LTE board FPC, touchpad FPC and
the keyboard FFC are firmly secured to the mainboard connectors.
Make sure that the black-dot side of the speaker cable is facing up.
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