HP Dv7-2170us HP Pavilion dv7 Entertainment PC - Maintenance and Service Guide - Page 94

Subwoofer, Speaker assembly see

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Subwoofer Description Subwoofer Spare part number 531911-001 Before removing the subwoofer, 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). g. USB board (see USB board on page 84). Remove the subwoofer: 1. Remove the three Phillips PM2.5×5.0 broadhead screws (1) that secure the subwoofer to the base enclosure. 2. Ensure that the rubber grommets (2) that contained the broadhead screws are still in place. 86 Chapter 4 Removal and replacement procedures

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Subwoofer
Description
Spare part number
Subwoofer
531911-001
Before removing the subwoofer, 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
).
g.
USB board (see
USB board
on page
84
).
Remove the subwoofer:
1.
Remove the three Phillips PM2.5×5.0 broadhead screws
(1)
that secure the subwoofer to the base
enclosure.
2.
Ensure that the rubber grommets
(2)
that contained the broadhead screws are still in place.
86
Chapter 4
Removal and replacement procedures