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Apple PowerBook G3 400 Sound Card Replacement

The following guide helps replace and install a new sound card for your PowerBook if it is out-dated or broken.

  • Autor: Kevin Keegan
  • Tempo estimado: 20 - 35 minutos
  • Dificuldade: Moderado

There are several steps to be done before you will have access to the sound card. These steps include removing the keyboard, RAM, hard drive, and display.

Seções

Passo 1 Sound Card  ¶ 

Your laptop should look something like this.

Passo 1 Sound Card  ¶ 

  • Your laptop should look something like this.

Passo 2  ¶ 

Disconnect the large orange wire that is shown.

Passo 2  ¶ 

  • Disconnect the large orange wire that is shown.

Passo 3  ¶ 

Take out the one short black and three long silver Torx screws from casing.

Passo 3  ¶ 

  • Take out the one short black and three long silver Torx screws from casing.

Passo 4  ¶ 

Slide the black plastic shield away from you and out from under the hard plastic casing.

Passo 4  ¶ 

  • Slide the black plastic shield away from you and out from under the hard plastic casing.

  • Disconnect the orange cable from the logic board.

  • Take out the two long silver Torx screws.

Passo 5  ¶ 

Turn your laptop over.

Passo 5  ¶ 

  • Turn your laptop over.

  • Take out the five small Torx screws from casing.

  • Remove the two long Torx screws and make sure these are put back in the right place when reassembling your device.

Passo 6  ¶ 

Turn your laptop back over.

Passo 6  ¶ 

  • Turn your laptop back over.

  • Remove the three small black Torx screws from the frame.

  • Remove the small Torx screw that holds the logic board to the casing on the left.

Passo 7  ¶ 

Hold the upper casing in the place shown and pull it back to release the lock. When the lock has released, pull up just enough to keep the case from locking again.

Passo 7  ¶ 

  • Hold the upper casing in the place shown and pull it back to release the lock. When the lock has released, pull up just enough to keep the case from locking again.

Passo 8  ¶ 

The eject button on the left side of the laptop keeps the upper casing from lifting up. To get around this, you must push the button in to the point that the upper casing can pass by the button and continue lifting up.

Passo 8  ¶ 

  • The eject button on the left side of the laptop keeps the upper casing from lifting up. To get around this, you must push the button in to the point that the upper casing can pass by the button and continue lifting up.

Passo 9  ¶ 

Lift up the left side of the upper case just enough so that the two audio cables connected to the sound card can be disconnected.

Passo 9  ¶ 

  • Lift up the left side of the upper case just enough so that the two audio cables connected to the sound card can be disconnected.

  • Do not lift the upper casing too far without disconnecting the audio cables otherwise there is a possibility of damaging the sound card.

  • After disconnecting the audio cables remove the upper casing.

Passo 10  ¶ 

Your laptop should look something like this.

Passo 10  ¶ 

  • Your laptop should look something like this.

Passo 11  ¶ 

Take out the two long silver Torx screws from the power card.

Passo 11  ¶ 

  • Take out the two long silver Torx screws from the power card.

  • Hold the power card near the black plastic shielding and lift up to remove power card.

Passo 12  ¶ 

Lightly hold the metal shield on the left side of it and slowly pull up and toward the front of the laptop.

Passo 12  ¶ 

  • Lightly hold the metal shield on the left side of it and slowly pull up and toward the front of the laptop.

  • These clips will bend very easily and need to be handled with care when taking it out of the laptop.

Passo 13  ¶ 

Remove the black Torx screw from the metal frame that it is holding it to the bottom casing.

Passo 13  ¶ 

  • Remove the black Torx screw from the metal frame that it is holding it to the bottom casing.

  • Using a 5mm wrench or needle-nose pliers remove the small nut from the bolt.

Passo 14  ¶ 

Disconnect the fan power cable on the left side of the laptop.

Passo 14  ¶ 

  • Disconnect the fan power cable on the left side of the laptop.

Passo 15  ¶ 

Rotate the laptop 180 degrees so that the back is facing you.

Passo 15  ¶ 

  • Rotate the laptop 180 degrees so that the back is facing you.

  • Lift up the left side of the metal frame and remove the one black Torx screw.

Passo 16  ¶ 

Hold the filter by the black end and rotate the filter toward the front of the laptop. Then pull it up and above the frame.

Passo 16  ¶ 

  • Hold the filter by the black end and rotate the filter toward the front of the laptop. Then pull it up and above the frame.

  • Take out the metal frame.

Passo 17  ¶ 

Your laptop should look something like this.

Passo 17  ¶ 

  • Your laptop should look something like this.

Passo 18  ¶ 

Lift up on the sound card from both the left and the right sides and remove.

Passo 18  ¶ 

  • Lift up on the sound card from both the left and the right sides and remove.