Maintenance and Service Guide

Table Of Contents
USB board
Table 5-10 USB board and cable descriptions and part numbers
Description Spare part number
USB board L52031-001
USB board cable L52039-001
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. Remove the battery (see Battery on page 32).
Remove the USB board:
1. Disconnect the cable from the ZIF connector on the USB board (1).
2. Remove the two Phillips M2.0 × 2.8 screws (2) that secure the board to the computer.
3. Remove the board from the computer (3).
Reverse this procedure to install the USB board.
42 Chapter 5 Removal and replacement procedures for authorized service provider parts