HP ENVY 15-3033cl HP ENVY 15 - Maintenance and Service Guide - Page 92

Subwoofer, Top speakers see

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Subwoofer Description Subwoofer (includes cables and 2 grommets) Spare part number 668844-001 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 35), and then remove the following components: a. Service cover (see WLAN module on page 42) b. Top cover (see Top cover on page 47) c. Display assembly (see Display assembly on page 56) d. System board (see System board on page 72) e. Top speakers (see Top speakers on page 69) Remove the subwoofer: 1. Remove the six Phillips PM2.0×2.8 screws (1) and the two Phillips PM2.5×6.4 screws (2) that secure the subwoofer to the base enclosure. NOTE: When removing the subwoofer, make note of the location of the two rubber isolators (2) that are installed in the screw holes as indicated in the following illustration. 84 Chapter 4 Removal and replacement procedures ENWW

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Subwoofer
Description
Spare part number
Subwoofer (includes cables and 2 grommets)
668844-001
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
35
), and then remove the following components:
a.
Service cover (see
WLAN module
on page
42
)
b.
Top cover (see
Top cover
on page
47
)
c.
Display assembly (see
Display assembly
on page
56
)
d.
System board (see
System board
on page
72
)
e.
Top speakers (see
Top speakers
on page
69
)
Remove the subwoofer:
1.
Remove the six Phillips PM2.0×2.8 screws
(1)
and the two Phillips PM2.5×6.4 screws
(2)
that
secure the subwoofer to the base enclosure.
NOTE:
When removing the subwoofer, make note of the location of the two rubber isolators
(2)
that are installed in the screw holes as indicated in the following illustration.
84
Chapter 4
Removal and replacement procedures
ENWW