USB/audio board
NOTE: The USB/audio board spare part kit does not include the audio/USB board cable. The cable is
available using spare part number L51093-001.
Table 5-14 USB/audio board descriptions and part numbers
Description Spare part number
USB/audio board for use in models without a ngerprint reader L51109-001
USB/audio board for use in models with a ngerprint reader L51110-001
Before removing the USB/audio board, follow these steps:
1. Prepare the computer for disassembly (Preparation for disassembly on page 30).
2. Remove the bottom cover (see Bottom cover and Rubber Foot Kit on page 31).
3. Disconnect the battery (see Battery on page 34).
Remove the USB/audio board
1. Remove the Phillips M2.0 × 3.0 screw (1) that secures the board to the computer.
2. Turn the board upside down to access the connector underneath (2).
3. Disconnect the cable from the ZIF connector on the audio/USB board (1).
54 Chapter 5 Removal and replacement procedures for authorized service provider parts
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