Compaq 400 320 321 420 421 620 and 621 Notebook PC and 420 and 620 Notebook PC - Page 100

Speaker, Disconnect the speaker cable from the connector

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Speaker The spare part number for the speaker used in all models is 605792-001. Before removing the speaker, 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 56). 5. Remove the service door (see Service door on page 56). 6. Remove the palm rest (see Palm rest on page 73). 7. Remove the keyboard (see Keyboard on page 78). 8. Remove the top cover (see Top cover on page 82). Remove the speaker: 1. Disconnect the speaker cable from the connector (1) on the system board. 2. Release the cable from the cable retainers (2) then, push up on the speaker from the back (3) to remove it from the base enclosure. Reverse this procedure to install the speaker. 92 Chapter 4 Removal and replacement procedures

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Speaker
The spare part number for the speaker used in all models is 605792-001.
Before removing the speaker, 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
56
).
5.
Remove the service door (see
Service door
on page
56
).
6.
Remove the palm rest (see
Palm rest
on page
73
).
7.
Remove the keyboard (see
Keyboard
on page
78
).
8.
Remove the top cover (see
Top cover
on page
82
).
Remove the speaker:
1.
Disconnect the speaker cable from the connector
(1)
on the system board.
2.
Release the cable from the cable retainers
(2)
then, push up on the speaker from the back
(3)
to
remove it from the base enclosure.
Reverse this procedure to install the speaker.
92
Chapter 4
Removal and replacement procedures