Maintenance and Service Guide

Infrared sensor board
NOTE: The infrared sensor board spare part kit does not include the infrared sensor board cable. The infrared
sensor board cable is included in the Cable Kit, spare part number L14330-001.
Table 5-7 Infrared sensor board description and spare part number information
Description Spare part number
Infrared sensor board L46558-001
Before removing the infrared sensor board, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is o or in Hibernation, turn
the computer on, and then shut it down through the operating system.
2. Disconnect all external devices connected to the computer.
3. Disconnect the power from the computer by rst unplugging the power cord from the AC outlet, and then
unplugging the AC adapter from the computer.
4. Remove the keyboard/top cover (see Keyboard/top cover on page 25).
5. Disconnect the battery cable from the system board (see Battery on page 33).
6. Remove the speakers (see Speakers on page 38).
Remove the infrared sensor board:
1. Release the ZIF connector (1) to which the infrared sensor board cable is connected, and then disconnect
the infrared sensor board from the connector board.
2. Remove the infrared sensor board (2).
Reverse this procedure to install the infrared sensor board.
40 Chapter 5 Removal and replacement procedures