Samsung SGH A707 Speaker Replacement - iFixit 维修指南

简介

Use this guide to replace your Samsung SGH A707 phone's speaker.

你所需要的

步骤 1 Battery

Samsung SGH A707 Speaker Replacement, Battery: 步骤 1 中的图像 1，1

Press on the markings on the cover and pull it down to reveal the battery.

步骤 2

Samsung SGH A707 Speaker Replacement: 步骤 2 中的图像 1，1

Use your fingers to pull the battery out of its position. You may also flip the phone and the battery will fall out.

步骤 3

Samsung SGH A707 Speaker Replacement: 步骤 3 中的图像 1，1

Here is the phone without the battery.

步骤 4 Motherboard

Samsung SGH A707 Speaker Replacement, Motherboard: 步骤 4 中的图像 1，2

Samsung SGH A707 Speaker Replacement, Motherboard: 步骤 4 中的图像 2，2

Unscrew the six screws on the back of the phone using the Phillips #0 screw driver.

步骤 5

Samsung SGH A707 Speaker Replacement: 步骤 5 中的图像 1，1

Use the prying tool the pry off the phone's plastic frame.

步骤 6

Samsung SGH A707 Speaker Replacement: 步骤 6 中的图像 1，3

Samsung SGH A707 Speaker Replacement: 步骤 6 中的图像 2，3

Samsung SGH A707 Speaker Replacement: 步骤 6 中的图像 3，3

Use the prying tool to disconnect the rectangular connector.

步骤 7

Samsung SGH A707 Speaker Replacement: 步骤 7 中的图像 1，1

Use the prying tool to disconnect the small connector.

步骤 8

Samsung SGH A707 Speaker Replacement: 步骤 8 中的图像 1，1

Gently pull off the circuit board.

步骤 9

Samsung SGH A707 Speaker Replacement: 步骤 9 中的图像 1，1

Here is the phone without the logic board.

步骤 10 Keypad

Samsung SGH A707 Speaker Replacement, Keypad: 步骤 10 中的图像 1，1

Hold the phone and gently separate the circuit board that holds the dome switches and the front face of the phone, revealing the rubber keyboard.

步骤 11

Samsung SGH A707 Speaker Replacement: 步骤 11 中的图像 1，1

Here is the phone without the dome switch circuit board.

步骤 12

Samsung SGH A707 Speaker Replacement: 步骤 12 中的图像 1，2

Samsung SGH A707 Speaker Replacement: 步骤 12 中的图像 2，2

Here is the phone and the rubber keyboard.

步骤 13

Samsung SGH A707 Speaker Replacement: 步骤 13 中的图像 1，1

Here is the rubber keyboard and the dome switch circuit board. A quick inspection of these elements can reveal keypad malfunctions. Look for dirt or debris that do not belong there.

步骤 14 Front Pane

Samsung SGH A707 Speaker Replacement, Front Pane: 步骤 14 中的图像 1，2

Samsung SGH A707 Speaker Replacement, Front Pane: 步骤 14 中的图像 2，2

Use the Phillips #0 screw driver to remove the two screws.
Place the screws in a safe place.
Use the prying tool to gently pry the screen off, by slowly moving the prying tool around the entire edge of the screen (roughly highlighted with a red rectangle). You must be very gentle, otherwise the screen will crack.

步骤 15

Samsung SGH A707 Speaker Replacement: 步骤 15 中的图像 1，1

Now we have access to the camera.
We also have access to the speakers.
Disconnect the flat cable to separate the two pieces.

步骤 16

Samsung SGH A707 Speaker Replacement: 步骤 16 中的图像 1，1

Samsung SGH A707

步骤 17 Speaker

Samsung SGH A707 Speaker Replacement, Speaker: 步骤 17 中的图像 1，1

Use the prying tool to remove the speaker. They are secured in place by glue, so some force is needed.
Be careful not to slip the tool onto your hand as you apply force.
Use a soldering iron to disconnect the wires from the speakers (highlighted in the yellow boxes).
There's risk of skin burn when using the soldering iron, caution is needed.
Avoid breathing in the fumes while soldering.

步骤 18

Samsung SGH A707 Speaker Replacement: 步骤 18 中的图像 1，2

Samsung SGH A707 Speaker Replacement: 步骤 18 中的图像 2，2

Samsung SGH A707

步骤 19

Samsung SGH A707 Speaker Replacement: 步骤 19 中的图像 1，2

Samsung SGH A707 Speaker Replacement: 步骤 19 中的图像 2，2

Samsung SGH A707

步骤 20

Samsung SGH A707 Speaker Replacement: 步骤 20 中的图像 1，1

Samsung SGH A707

结论

To reassemble your device, follow these instructions in reverse order.

作者

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yfm

于11/06/12注册

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团队

University of Maryland, Team 1-1, Calloway Fall 2012 University of Maryland, Team 1-1, Calloway Fall 2012 的会员

UMD-CALLOWAY-F12S1G1

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