LG Vu CU920 LCD Screen Replacement

Alan Reeve e 3 altri collaboratori

Ultimo aggiornamento il January 28, 2014

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Introduzione

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Use this guide to replace the LCD screen.

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Passo 1 Battery

LG Vu CU920 LCD Screen Replacement, Battery: passo 1, immagine 1 di 3

LG Vu CU920 LCD Screen Replacement, Battery: passo 1, immagine 2 di 3

LG Vu CU920 LCD Screen Replacement, Battery: passo 1, immagine 3 di 3

Remove the back cover by firmly pressing against the indent on the back panel. Slide the cover downward and off the phone.

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Passo 2

Remove the battery by placing your fingernail or an opening tool at the bottom edge of the battery and lift it out.

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Passo 3 Motherboard

LG Vu CU920 LCD Screen Replacement, Motherboard: passo 3, immagine 1 di 1

Remove the two 3.5 mm screws above the battery port with a Phillips #00 screwdriver.

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Passo 4

Pull out the antenna to reveal a third screw.
Remove the 3.5 mm screw with a Phillips #00 screwdriver.

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Passo 5

LG Vu CU920 LCD Screen Replacement: passo 5, immagine 3 di 3

Using a plastic opening tool, gently pop up the plastic tab.
Use the plastic opening tool to pry up the edges of the plastic casing. You will then be able to slide it around the edge to dislodge it.

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Passo 6

Remove the plastic case to reveal the motherboard.

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Passo 7

Use a spudger to disconnect the cables from the motherboard.
The following steps will detail how to detach the cables from the connectors.

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Passo 8

LG Vu CU920 LCD Screen Replacement: passo 8, immagine 3 di 3

Gently lift the ZIF connector (black tab) holding the ribbon cable in place. When it is in the upright position, remove the cable from the back side.

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Passo 9

Remove the jack attached to the red and blue wires by carefully pulling it upward from the motherboard.

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Passo 10

Remove the round jack connected to the black cabel by carefully prying it up from beneath with a spudger or plastic opening tool.
This jack snaps on, so there will be more resistance than there was with the previous jack.

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Passo 11

Remove the remaining three ribbon cables by gently lifting them by the ends, opposite of the cables, with a plastic opening tool or spudger until they pop out.

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Passo 12

LG Vu CU920 LCD Screen Replacement: passo 12, immagine 3 di 3

Remove the motherboard by gently prying it up with a spudger from the charging port.
Be careful not to yank the camera's ribbon cable as you lift the board. Make sure that it is in line with its hole in the motherboard.
Once the board has been lifted, remove it by pulling it away from the connected edge.

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Passo 13 Bezel and External Casing

LG Vu CU920 LCD Screen Replacement, Bezel and External Casing: passo 13, immagine 1 di 2

LG Vu CU920 LCD Screen Replacement, Bezel and External Casing: passo 13, immagine 2 di 2

Remove the 3.5mm screw holding the antenna guide in place with a Philips #00 screwdriver.
Slide the antenna out to the edge, and remove the plastic tubing by gently pulling it out from the opposite end of the antenna.
This step can be done after the motherboard is removed, or before (as photographed).

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Passo 14

Use a plastic opening tool to carefully pry up the metal antenna guide.

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Passo 15

Using a Philips #00 screwdriver, remove the two 3.5mm screws on the bottom corners of the device.
Remove the single 3.5mm screw located at the top next to the speaker's ribbon cable.

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Passo 16

LG Vu CU920 LCD Screen Replacement: passo 16, immagine 3 di 3

Insert a plastic opening tool below the volume rocker and gently pry the silver casing up. As with the plastic casing over the motherboard, you should be able to slide the plastic opening tool along the edge to remove it.

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Passo 17 LCD Screen

LG Vu CU920 LCD Screen Replacement, LCD Screen: passo 17, immagine 1 di 3

LG Vu CU920 LCD Screen Replacement, LCD Screen: passo 17, immagine 2 di 3

LG Vu CU920 LCD Screen Replacement, LCD Screen: passo 17, immagine 3 di 3

After separating the front casing from the mid frame, begin prying the screen out.
The screen is attached to the midframe with a small piece of adhesive.
Use a plastic opening tool to completely remove the screen.