Android tablet Nobis NB09 Speaker Replacement

Введение

Using this guide will help you to successfully replace a faulty speaker on your tablet. Tablet needs to be disassembled first, then speaker has to be soldered in place. Follow steps 1-3 to open the device. Ignore steps 4 and 5 and go straight to step 6 after doing so.

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Шаг 1 Back Cover

Android tablet Nobis NB09 Speaker Replacement, Back Cover: шаг 1, изображение 1 из 1

Remove the two 00 Phillips screws located in the right hand side of the tablet.

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Шаг 2

Android tablet Nobis NB09 Speaker Replacement: шаг 2, изображение 3 из 3

Use plastic opening tools to loosen and pry off the back plate (pink piece).
When removing the cover, be careful not to pull too hard as there are wires connected to the motherboard attached to the back cover.

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Шаг 3 Speaker

Android tablet Nobis NB09 Speaker Replacement, Speaker: шаг 3, изображение 1 из 2

Android tablet Nobis NB09 Speaker Replacement, Speaker: шаг 3, изображение 2 из 2

It is recommended that a grounding bracelet be used in order to avoid damage to the device's circuits through ESD (Electro-Static Discharge).
The speaker is located on the top left hand side of the tablet.
Remove the electrical tape covering the connections to expose the wires.

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Шаг 4

Disconnect the faulty speaker by desoldering the two wire connections.
Make sure to not damage the motherboard.

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Шаг 5

Remove the tape holding the speaker in its socket.

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Шаг 6

Remove the speaker from its socket. Placing the speaker to the side of your device will give you more freedom.
Gently pushing the speaker from the back side of the cover with a pointy edge of spudger tool will make this step easier.

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Шаг 7

Use a soldering iron to extract excess solder using a desoldering braid.
Solder the speakers wires back to the motherboard.
Review the iFixit soldering guide for help with soldering.
Connect red wire to the positive terminal marked "+", and the black wire to the negative terminal marked "-".