HP ENVY 15-q400 ENVY Notebook Maintenance and Service Guide - Page 69

Subwoofer, Remove the subwoofer

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Subwoofer Description Subwoofer (includes cable and 3 isolators) Spare part number 720563-001 Before removing the subwoofer, follow these steps: 1. Turn off 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 the power from the computer by unplugging the power cord from the computer. 3. Disconnect all external devices from the computer. 4. Remove the battery (see Battery on page 28), and then remove the following components: a. Service cover (see WLAN module on page 29) b. Hard drive (see Hard drive on page 31) c. Base enclosure (see Base enclosure on page 38) Remove the subwoofer: 1. Disconnect the subwoofer cable (1) from the system board. 2. Remove the three Phillips PM2.5×6.2 screws (2) that secure the subwoofer to the top cover. Component replacement procedures 61

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Subwoofer
Description
Spare part number
Subwoofer (includes cable and 3 isolators)
720563-001
Before removing the subwoofer, follow these steps:
1.
Turn
off
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 the power from the computer by unplugging the power cord from the computer.
3.
Disconnect all external devices from the computer.
4.
Remove the battery (see
Battery
on page
28
), and then remove the following components:
a.
Service cover (see
WLAN module
on page
29
)
b.
Hard drive (see
Hard drive
on page
31
)
c.
Base enclosure (see
Base enclosure
on page
38
)
Remove the subwoofer:
1.
Disconnect the subwoofer cable
(1)
from the system board.
2.
Remove the three Phillips PM2.5×6.2 screws
(2)
that secure the subwoofer to the top cover.
Component replacement procedures
61