LG Optimus 3D Motherboard Replacement

Written By: Dale Pearson
  • Comments: 2
LG Optimus 3D Motherboard Replacement

Difficulty

Moderate

Steps

11

Time Required

25 minutes

Introduction

The motherboard is the main internal communication component that brings all the various inputs together.

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    • Pry the back cover off of the phone with your fingernail. There is a notch located at the bottom of the phone for improved leverage.

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    • The battery is the large black rectangle towards the bottom half of the phone.

    • There is a semi-circular notch at the bottom edge of the battery. Press against and up on the battery to pop it out.

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    • Remove 9 screws from the phone. The locations of these screws are circled in the picture.

    • 5.5mm length PH00 screws

    • 4mm length PH00 screws

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    • Gently pull down on the bottom cover to remove it.

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    • Using a plastic opening tool, gently pry around the perimeter of the device.

    • The ribbons behind the buttons and ports are very delicate. Make sure you do not run your plastic opening tool too deep into the bezel, as you could damage them.

    • The button covers rest under the Mid-Cover Bezel. Remove them and set aside.

    I think they want you to refer to the blue tool as the "plastic opening tool."

    Dan Brown -

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    • Using a spudger or plastic opening tool, gently disconnect the ribbon cable attached to the black SIM card board.

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    • Use a hair-dryer on high, or a heat-gun on low to heat the device and loosen the adhesive which holds down the SD/SIM Card Board.

    • Evenly heat the device in short intervals for about one minute.

    • Do not heat the device for more than 30 seconds at a time to prevent over-heating.

    You could also use the iOpener tool for this step. What is that the adhesive is holding in place?

    Dan Brown -

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    • Gently pry the board up to release it from the now soft adhesive. Make sure you pry up the little tab connected to the camera unit as well.

    • If the board is too difficult to separate than more heating may be required.

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    • Using a spudger or plastic opening tool, gently lift the ribbon cables connected to the motherboard.

    • The button tabs, highlighted in orange, are held in with a light adhesive. Gently lift them out of the body of the phone with a spudger.

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    • Remove the antenna cable by disconnecting both ends.

    • One end connects to the motherboard and the other connects near bottom of the phone.

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    • Using a spudger gently lift the motherboard assembly out of the case.

    • Make sure the motherboard does not get snagged on the camera's ribbon cable.

Conclusion

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

Author

Dale Pearson

Member since: 22/09/14

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