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Введение

If your screen is permanently dark or black your backlight is likely malfunctioning. This guide will help you open your device and replace your backlight to restore screen clarity for your Visual Land Prestige 7G. For this guide, you will need a #000 Phillips head screwdriver, a Jimmy, and a metal spudger.

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Шаг 1 Backplate

Visual Land Prestige 7G Backlight Replacement, Backplate: шаг 1, изображение 1 из 2

Visual Land Prestige 7G Backlight Replacement, Backplate: шаг 1, изображение 2 из 2

Lay your device face-down.
Use a Phillips #000 screwdriver to remove the two 4 mm screws next to the AUX port and microphone.

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Шаг 2

Pry open the back-plate using a Jimmy.
Do this by inserting the tool into the fine thin line between the back-plate and screen at each corner of the device.

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Шаг 3

Lift off the backplate using your hand.
If the backplate is stuck, repeat the previous step to ensure all the edges are free.

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Шаг 4 Motherboard

Visual Land Prestige 7G Backlight Replacement, Motherboard: шаг 4, изображение 1 из 3

Visual Land Prestige 7G Backlight Replacement, Motherboard: шаг 4, изображение 2 из 3

Visual Land Prestige 7G Backlight Replacement, Motherboard: шаг 4, изображение 3 из 3

Lay the device on its back.
Flip up the black locking flap then remove the ribbon cables.

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Шаг 5

Visual Land Prestige 7G Backlight Replacement: шаг 5, изображение 3 из 3

Connected to the motherboard there will be a red, black, and grey wire.
Use a soldering iron to melt the soldered contact points.
Disconnect the wires.
Lift the motherboard up and out of the chassis.
The high temperatures of a soldering gun and melted solder may create the potential for burns. Inhaling the fumes in an enclosed environment may also lead to irritation and desensitization of the eyes and respiratory tract.