Introduction

This guide will show you how to disassemble the LG Vu CU920 to replace a broken charging/headphone port. You will need to keep track of small screws, remove small components from the motherboard, and solder/unsolder a component

Remove the back cover by firmly pressing against the indent on the back panel. Slide the cover downward and off the phone.
  • 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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Remove the battery by placing your fingernail or an opening tool at the bottom edge of the battery and lift it out.
  • 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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  • Remove the two 3.5mm screws above the battery port with a Philips #00 screwdriver.

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  • Pull out the antenna to reveal a third screw.

  • Remove the 3.5mm screw with Philips #00 screwdriver.

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  • Locate the plastic tab next to the charging port and use a plastic opening tool to gently pop it out.

  • Use the plastic opening tool to pry up the edges of the plastic casing. You should be able to slide it around the edge to dislodge it.

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  • Remove the plastic covering to reveal the motherboard.

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  • Locate these six components on the motherboard. They must be detached before the motherboard can be removed.

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

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

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  • 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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  • The remaining three ribbon cables can be removed by gently lifting them by the ends opposite the cables with a plastic opening tool or spudger until they pop out.

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  • To remove the motherboard, gently pry it up with your finger 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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  • Unsolder the charging port located on the left side of the motherboard.

  • Solder in a replacement charging port.

any advice or guide on soldering?

Will - Réponse

Conclusion

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

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Gregory Davis

Membre depuis le 17/04/2013

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5 tutoriels rédigés

Équipe

Cal Poly, Team 8-57, Johann Spring 2013 Membre de l'équipe Cal Poly, Team 8-57, Johann Spring 2013

CPSU-JOHANN-S13S8G57

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