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简介

Today we are going to repair the speaker system in the phone. This may be due to simple wire disconnections and may require soldering or a replacement of the system.

你所需要的

步骤 1 Battery

Motorola i90c speaker replacement, Battery: 步骤 1 中的图像 1，3

Motorola i90c speaker replacement, Battery: 步骤 1 中的图像 2，3

Motorola i90c speaker replacement, Battery: 步骤 1 中的图像 3，3

Slide the notch downward while pulling the back cover off to remove it.

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步骤 2

Motorola i90c speaker replacement: 步骤 2 中的图像 3，3

Use your fingers to push the battery upward from the bottom.
Lift upwards to remove the battery.

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步骤 3 Antenna

Motorola i90c speaker replacement, Antenna: 步骤 3 中的图像 1，2

Motorola i90c speaker replacement, Antenna: 步骤 3 中的图像 2，2

Unscrew the antenna in a counter-clockwise fashion.
Remove the aluminum cover.

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步骤 4 Midframe

Motorola i90c speaker replacement, Midframe: 步骤 4 中的图像 1，3

Motorola i90c speaker replacement, Midframe: 步骤 4 中的图像 2，3

Motorola i90c speaker replacement, Midframe: 步骤 4 中的图像 3，3

Unscrew the 3 screws shown.
Lift the right part of the Nextel logo
Remove the screw underneath.

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步骤 5

Forcing the cover off could damage the ribbon cable, so be careful when doing so.
Gently lift the back cover off.

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步骤 6

Motorola i90c speaker replacement: 步骤 6 中的图像 3，3

Find the connection between the headphone jack and logic board.
Begin separating the two pieces, slowly and carefully.

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步骤 7 Speaker System

Motorola i90c speaker replacement, Speaker System: 步骤 7 中的图像 1，3

Motorola i90c speaker replacement, Speaker System: 步骤 7 中的图像 2，3

Motorola i90c speaker replacement, Speaker System: 步骤 7 中的图像 3，3

在这个步骤中使用的工具：

Tweezers

$4.99

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Use the prying tools to wedge out the circular part of the speaker system.
Carefully pull out the wiring and circuit board attached to the speaker system using a prying tool or tweezers.