ASUS VivoBook S400C Speaker Replacement

はじめに

If your ASUS VivoBook S400C is producing unclear or no audio, use this guide to replace the speakers.

The built-in speakers can produce audio without the need to plug in any additional devices.

Before using this guide, make sure nothing is plugged into the headphone jack and that the volume of both the computer and the media being played is at a high value. You can troubleshoot audio problems by right clicking the sound icon in the taskbar and selecting “Troubleshoot sound problems”. Try playing different types of media from different sources.

The speakers in this system are wired together so they are not individually replaceable but must be replaced as a pair.

Before beginning, make sure to power off your laptop completely and disconnect from any external power source.

必要な工具と部品

手順1 Remove the Bottom Cover

ASUS VivoBook S400C Speaker Replacement, Remove the Bottom Cover: 手順 1、 1の画像 1

Flip the device over and remove the ten 5.7 mm screws with a Phillips #0 screwdriver.

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手順2

Use a spudger or your fingers to go around and lift the edges and release the back panel.

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手順3 Disconnect the Battery

ASUS VivoBook S400C Speaker Replacement, Disconnect the Battery: 手順 3、 1の画像 1

Using a spudger, lift up the plug connecting the battery to the motherboard.

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手順4 Battery

ASUS VivoBook S400C Speaker Replacement, Battery: 手順 4、 1の画像 1

With a Phillips #0 screwdriver, remove the four 5.7 mm screws holding the battery to the laptop.

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手順5

Carefully lift the battery up and out of the device.

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手順6 Hard Drive

ASUS VivoBook S400C Speaker Replacement, Hard Drive: 手順 6、 1の画像 1

Remove the three Phillips #0 screws holding the the hard drive in place:
Two 3.8 mm screws.
One 5.7 mm screw.

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手順7

Pull left and lift out the hard drive.

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手順8 LED Board

ASUS VivoBook S400C Speaker Replacement, LED Board: 手順 8、 3の画像 1

ASUS VivoBook S400C Speaker Replacement, LED Board: 手順 8、 3の画像 2

ASUS VivoBook S400C Speaker Replacement, LED Board: 手順 8、 3の画像 3

Disconnect the ribbon cable connecting the LED daughterboard and the motherboard by lifting the white tab on the LED side of the cable.

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手順9

Pull out the ribbon cable on the LED side by pulling on the blue tab.

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手順10

ASUS VivoBook S400C Speaker Replacement: 手順 10、 3の画像 3

The LED board is held in place by a hook on the left end and a latch on the right.
Press the latch with a spudger while lifting with a fingernail.
Pull the LED board to the right to clear the left-hand hook.

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手順11 Speakers

ASUS VivoBook S400C Speaker Replacement, Speakers: 手順 11、 2の画像 1

ASUS VivoBook S400C Speaker Replacement, Speakers: 手順 11、 2の画像 2

Pull out the black cable connecting the motherboard to the speakers.

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手順12

Deroute the speaker wire from the motherboard to the left speaker.

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手順13

ASUS VivoBook S400C Speaker Replacement: 手順 13、 3の画像 3

Using a metal opening tool, pry off the left speaker.
A fairly strong adhesive is used between the speakers and the body of the laptop, requiring considerable force to take apart. Work slowly and use caution when working near the delicate wires connecting the two speakers.

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手順14

Deroute the wires from the left speaker to the right.

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手順15

Continue to deroute the speaker wire to the right speaker.

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手順16

ASUS VivoBook S400C Speaker Replacement: 手順 16、 3の画像 3

Using a metal opening tool, pry off the right speaker.
It bears repeating that a fairly strong adhesive is used between the speakers and the body of the laptop, requiring considerable force to take apart.

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