IR sensor board
To remove the IR sensor board, use this procedure and illustration.
Table 5-12 IR sensor board description and part number
Description Spare part number
IR sensor board M57152-001
IR sensor board cable M57153-001
Before removing the IR sensor board, follow these steps:
1. Prepare the computer for disassembly (Preparation for disassembly on page 30).
2. Remove the bottom cover (see Bottom cover on page 30).
3. Remove the battery (see Battery on page 31).
4. Remove the solid-state drives (see Solid-state drive on page 33).
5. Remove the power connector cable (see Power connector cable on page 37).
6. Remove the heat sink (see Heat sink on page 38).
7. Remove the fans (see Fans on page 40).
8. Remove the system board (see System board on page 44).
Remove the IR sensor board:
1. Remove the protective tape from the board (1).
2. Remove the Phillips M2.0 × 2.5 screw (2) that secures the board to the computer.
Component replacement procedures 47
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