HP Dv7-2170us HP Pavilion dv7 Entertainment PC - Maintenance and Service Guide - Page 90

Audio/infrared board, Remove the Phillips PM2.5×4.0 screw

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Audio/infrared board Description Audio/infrared board (includes cable) Spare part number 518166-001 Before removing the audio/infrared board, follow these steps: 1. Shut down the computer. If you are unsure whether the computer is off 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 first 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 44). 5. Remove the following components: a. Hard drive (see Hard drive on page 48). b. Optical drive (see Optical drive on page 45). c. Switch cover and keyboard (see Switch cover and keyboard on page 59). d. Speaker assembly (see Speaker assembly on page 65). e. Display assembly (see Display assembly on page 67). f. Top cover (see Top cover on page 74). Remove the audio/infrared board: 1. Remove the Phillips PM2.5×4.0 screw (1) that secures the audio/infrared board to the base enclosure. 2. Lift the audio/infrared board (2) straight up to remove it from the base enclosure. 82 Chapter 4 Removal and replacement procedures

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Audio/infrared board
Description
Spare part number
Audio/infrared board (includes cable)
518166-001
Before removing the audio/infrared board, follow these steps:
1.
Shut down the computer. If you are unsure whether the computer is off 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 first 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
44
).
5.
Remove the following components:
a.
Hard drive (see
Hard drive
on page
48
).
b.
Optical drive (see
Optical drive
on page
45
).
c.
Switch cover and keyboard (see
Switch cover and keyboard
on page
59
).
d.
Speaker assembly (see
Speaker assembly
on page
65
).
e.
Display assembly (see
Display assembly
on page
67
).
f.
Top cover (see
Top cover
on page
74
).
Remove the audio/infrared board:
1.
Remove the Phillips PM2.5×4.0 screw
(1)
that secures the audio/infrared board to the base
enclosure.
2.
Lift the audio/infrared board
(2)
straight up to remove it from the base enclosure.
82
Chapter 4
Removal and replacement procedures