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HP Compaq dc7800 Small Form Factor PC - Removing and Replacing the Speaker
This document pertains only to HP Compaq dc7800 Small Form Factor PCs with the following case design:
Before you begin
You need a Torx-15 screwdriver.
Turn off the computer, and then disconnect all cables. Disconnect the Ethernet or modem cable before disconnecting the power cord.
Move the computer to a clear, flat, stable work surface over a non-carpeted floor.
HP strongly recommends the use of an anti-static wrist strap and a conductive foam pad when working on the computer.
Do not remove a component from its protective packaging until you are ready to install it.
| WARNING:
|
The edges of metal panels can cut skin. Be careful not to slide skin along any interior metal edge of the computer. |
| CAUTION:
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This product contains components that can be damaged by electrostatic discharge (ESD). To reduce the chance of ESD damage, work over a noncarpeted floor, use a static dissipative work surface (such as a conductive foam pad), and wear an ESD wrist strap connected to a grounded surface. |
Video overview (in English)
To view a video demonstrating the procedure for removing the speaker, right-click
Speaker removal video
and select Open link in new window/tab
. Replacement part information
The following HP part numbers are known to be compatible with this system:
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NOTE:
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Part numbers are subject to change. |
| Description
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Part Number
|
Requires Return
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|---|
| Speaker assembly - 40 mm (1.6 inches) by 28 mm (1.1 in) oval speaker - 4Ohm, 2.0 W |
394779-001 (modified) |
No |
* If a part is listed as "Yes" under "Requires Return" then the defective part needs to be returned to HP.
For more information about returning parts to HP select one of the links below:
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NOTE:
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For customers in countries/regions with RoHS legislation* (e.g. EU,
China, etc.) restricting the use of hazardous substances in electrical
equipment.
The use of the Original Spare part is regulated by RoHS legislation. If your
unit contains a part that is labelled with the Modified Spare number, the
Modified Spare must be ordered as the replacement part.
If your unit contains a part that is labelled with the Original Spare number,
please order the Original Spare as the replacement part. In this case either
the Original Spare or the Modified Spare may be shipped which will not
affect performance or functionality of the unit. |
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Printable version
