Introduction

This guide goes step-by-step through the process of accessing the logic board. Each step in the guide is accompanied with clear pictures and instruction.

Image 1/1: Slide the back case downward. Then, lift and remove the case.
  • Push down on the gray "PUSH" button on the back side of the phone.

  • Slide the back case downward. Then, lift and remove the case.

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Image 1/1:
  • Lift up on the battery to remove it from the case.

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Image 1/1:
  • Locate two gray plugs as indicated. Using a push-pin or tweezers, pry both of these plugs out.

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Image 1/1:
  • Use a Phillips #00 screwdriver to unscrew the six screws as indicated.

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Image 1/2: Slowly slide the tool along the seam. Lift up on the back case while you do this until the back case comes apart. Image 2/2: Slowly slide the tool along the seam. Lift up on the back case while you do this until the back case comes apart.
  • Insert a plastic opener tool through the seam between the back case and the rest of the phone.

  • Slowly slide the tool along the seam. Lift up on the back case while you do this until the back case comes apart.

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Image 1/2: Place a piece of solder wick on top of the solder. Image 2/2: Very carefully, place the tip of the soldering iron on top of the solder wick. Hold it steady until the solder is soaked up into the solder wick.
  • Locate the solder joint on the top portion of the logic board. It will appear as a shiny silver bead of metal.

  • Place a piece of solder wick on top of the solder.

  • Very carefully, place the tip of the soldering iron on top of the solder wick. Hold it steady until the solder is soaked up into the solder wick.

  • The soldering iron will damage circuitry if held down for too long.

  • Cut off the used solder wick with pliers and repeat above steps if any solder remains.

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Image 1/2: You can then remove the logic board from the case. Image 2/2: You can then remove the logic board from the case.
  • One the solder is gone, pry the copper piece off the logic board.

  • You can then remove the logic board from the case.

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Conclusion

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

Eric Funsten

Member since: 04/17/2012

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Team

Cal Poly, Team 12-39, Regan Spring 2012 Member of Cal Poly, Team 12-39, Regan Spring 2012

CPSU-REGAN-S12S12G39

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