HP nw9440, nx9420 manual 26 USB/Audio Board, USB/Audio Board Spare Part Number Information

Removal and Replacement Procedures

5.26 USB/Audio Board

✎Full-featured models are equipped with a USB/audio board. Defeatured models are equipped with an audio board. The removal procedures are identical for both boards.

USB/Audio Board Spare Part Number Information

USB/audio board 409968-001

1.Prepare the computer for disassembly (Section 5.3), and then remove the following components:

a.Hard drive (Section 5.4)

b.Bluetooth module (Section 5.6)

c.Optical drive (Section 5.10)

d.Keyboard (Section 5.11)

e.Switch cover (Section 5.15)

f.LED board (Section 5.16)

g.Display assembly (Section 5.22)

h.Top cover (Section 5.23)

i.Speaker (Section 5.24)

j.Fan assembly (Section 5.17)

k.Heat sink (Section 5.18)

l.System board (Section 5.25)

Maintenance and Service Guide 5–75