简介
The guide will help you replace the speaker in a BLU Advance 4.0 cell phone.
你所需要的
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步骤 1 Removing the back cover
注意：步骤 1-3 源自标记为进行中的 指南。
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With the back camera on the top side and facing you, find a notch on the bottom right side of the phone.
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Unclip the cover by raising it up from the notch and sliding a flat rigid tool along the edge.
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Remove the battery.
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Remove 3 screws from each side with a Phillips 00 screwdriver.
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Unclip the screen by sliding a flat rigid tool between the black and the blue side-band.
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Pop off the blue side-band to be exposed to the motherboard.
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Remove 2 black plastic buttons from each side, exposing metallic padding.
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Gently pry the metallic padding off the motherboard with a flat rigid tool.
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Carefully separate the clip-on tabs while lifting the motherboard away from the screen.
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Before starting, you should plug in and begin to heat up your soldering iron.
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Flip the circuit board over and find the speaker connections to the red and black wires.
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Take your soldering iron and heat the area where the wires are connected
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Take your Solder sucker and remove the solder at the connection.
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Carefully lift the speaker off of the circuit board.
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Place the new speaker into the spot where you removed the old speaker.
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Next, add solder to the tip of your soldering iron.
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Solder all of the connections back into place as shown.
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To reassemble your device, follow these instructions in reverse order starting from step 3
To reassemble your device, follow these instructions in reverse order starting from step 3
团队
UMass Dartmouth, Team 6-2, Vijaybhaskar Fall 2014 UMass Dartmouth, Team 6-2, Vijaybhaskar Fall 2014 的会员
UMASSD-VIJAYBHASKAR-F14S6G2
3 名成员
创作了6篇指南
