Maintenance and Service Guide

USB board
NOTE: The USB board spare part kit does not include the cable. The cable is available using spare part
number L51345-001.
Table 5-14 USB board description and part number
Description Spare part number
USB board L51334-001
Before removing the USB board, follow these steps:
1. Prepare the computer for disassembly (Preparation for disassembly on page 29).
2. Remove the bottom cover (see Bottom cover on page 30).
3. Disconnect the battery (see Battery on page 32).
Remove the USB board
1. Remove the two Phillips M2.0 × 3.0 screws (1) that secure 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 USB board (1).
54 Chapter 5 Removal and replacement procedures for authorized service provider parts