HP ProBook 470 G3 Notebook PC - Maintenance & Service Guide

Function board
Description Spare part number
Function board 827033-001
Function board cable (included in Cable Kit) 827031-001
Before removing the function 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 battery (see Battery on page 31).
5. Remove the following components:
a. Service doors (see Service doors on page 32)
b. Optical drive (Optical drive on page 34)
c. Hard drive (Hard drive on page 36)
d. Keyboard (see Keyboard on page 43)
e. Top cover (see Top cover on page 48)
Remove the function board:
1. Position the top cover upside-down.
2. Disconnect the cable from the connector on the function board (1).
3. Remove the Phillips PM2.0×3.0 screw (2) that secures the board to the top cover.
56 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts