메인 콘텐츠로 스킵하기
도움말

iPhone 4 Verizon Logic Board Replacement

Replace a dead logic board in your iPhone 4 Verizon.

  • 작성자: Andrew Bookholt
  • 예상 시간 1 - 2 시간
  • 난이도: 어려움

Use this guide to replace your iPhone's logic board.

단계 1 Logic Board  ¶ 

Disconnect the five cables near the top of the logic board in the following order:

단계 1 Logic Board  ¶ 

  • Disconnect the five cables near the top of the logic board in the following order:

  • Headphone jack/volume button cable

  • Power button cable

  • Front facing camera cable

  • Digitizer cable

  • Display data cable

  • To disconnect the cables, use the edge of a plastic opening tool to gently lift their connectors up and out of the sockets on the logic board.

  • Be careful not to break any of the small and delicate surface mount components as you disconnect the cables.

단계 2  ¶ 

Remove the 1.5 mm Phillips #000 screw near the headphone jack.

단계 2  ¶ 

  • Remove the 1.5 mm Phillips #000 screw near the headphone jack.

단계 3  ¶ 

Lift the small grounding clip up off the logic board and remove it from the iPhone.

단계 3  ¶ 

  • Lift the small grounding clip up off the logic board and remove it from the iPhone.

단계 4  ¶ 

Use the edge of a plastic opening tool to disconnect the Wi-Fi antenna cable connector from the logic board.

단계 4  ¶ 

  • Use the edge of a plastic opening tool to disconnect the Wi-Fi antenna cable connector from the logic board.

  • When reconnecting the wifi ribbon connector to the mother board be VERY certain that the round connector at the end of the ribbon cable is centered on its mating half on the motherboard before applying pressure. Failure to do so will likely destroy both halves of the connection.

단계 5  ¶ 

If present, remove the piece of tape covering a Phillips screw near the power button. If present, remove the piece of tape covering a Phillips screw near the power button.

단계 5  ¶ 

  • If present, remove the piece of tape covering a Phillips screw near the power button.

단계 6  ¶ 

Remove the 2.5 mm Phillips #000 screw securing the logic board near the power button.

단계 6  ¶ 

  • Remove the 2.5 mm Phillips #000 screw securing the logic board near the power button.

  • Remove the 4.8 mm standoff screw near the headphone jack.

  • Standoff screws are best removed using an iPhone Standoff Screwdriver Bit and driver handle.

  • In a pinch, a small flathead screwdriver will do the job—but use extra caution to ensure it doesn't slip and damage surrounding components.

단계 7  ¶ 

Remove the 3.4 mm Phillips screw near the vibrator motor.

단계 7  ¶ 

  • Remove the 3.4 mm Phillips screw near the vibrator motor.

  • Remove the two 3.6 mm standoff screws along the side of the logic board nearest the battery opening.

단계 8  ¶ 

Carefully lift the logic board from the end closest to the speaker enclosure and slide it away from the top edge of the iPhone.

단계 8  ¶ 

  • Carefully lift the logic board from the end closest to the speaker enclosure and slide it away from the top edge of the iPhone.

  • Remove the logic board.

  • Before reassembly, be sure to clean all metal-to-metal contact points on the logic board (not the mating halves of connectors) with a de-greaser such as windex or isopropyl alcohol. The oils on your fingers have the potential to cause grounding issues.

  • There's a small rectangular rubber pad at the top of the logic board that prevents the display cables from chafing against the edge of the board. If it comes loose during your repair, make sure to position it correctly when reinstalling your logic board.

단계 9  ¶ 

Be sure not to lose the small grounding finger for the rear facing camera near the power button.

단계 9  ¶ 

  • Be sure not to lose the small grounding finger for the rear facing camera near the power button.