Installing PowerBook G4 Titanium DVI Modem Filter Board

Step 1 Battery



• Locate the battery release tab on the underside of the G4.
• Slide the battery release tab to the left and lift the battery out of the computer.
Step 2 Keyboard

• Turn the keyboard locking screw located in the middle of the keyboard so that it is parallel to the space bar. A half turn from parallel to parallel will unlock it. Another half turn will lock it again.
• Pull the keyboard release tabs toward you and lift up on the keyboard until it pops free.
Step 3
• Rest the keyboard face down on the trackpad area.
• Disconnect the keyboard connector from the logic board.
Step 4
• Your laptop should look approximately like this.
Step 5 RAM
• Release the tabs on each side of the RAM chip at the same time. These tabs lock the chip in place and releasing them will cause the chip to "pop" up.
• Pull the RAM chip out.
• Repeat this process if a second RAM chip is installed.
Step 6 Lower Case
• Remove the seven T8 Torx screws from the lower case.
• Using your thumbs, slide the lower case toward the front of the computer.
• The lower case may stick in the front on a tab just above the center of the optical drive. Be careful as you work the case off, or you may break the thin strip of plastic just above the drive.
• Lift the lower case off.
Step 7 Airport Card
• Firmly grasp the plastic tab attached to the Airport card and pull up and to the left.
• Disconnect the antenna cable from the left side of the Airport card.
Step 8 Hard Drive
• Disconnect the hard drive ribbon from the logic board using a spudger or the tip of your finger.
Step 9
• To free the hard drive, remove the two T8 Torx screws from the right wall of the battery housing.
Step 10
• Remove the hard drive by lifting the left edge up and out of the computer.
• There are four rubber bumpers that fit over the hard drive screws. Ensure that these bumpers come out when you remove the hard drive.
Step 11
• Your laptop should look approximately like this.
Step 12 Optical Drive Removal
• Disconnect and remove the indicated orange ribbon cable.
Step 13
• Disconnect the pink and white inverter cable from the inverter board.
• The display inverter has orange plastic shielding around it that looks similar to the tape used elsewhere within the computer. Do not remove the shielding from the inverter.
Step 14
• Remove the two silver T8 Torx screws from the black plastic bar.
• Lift the black plastic bar out.
• Reassembly will be significantly easier if you reseat the hard drive before returning the black bar to its place.
Step 15
• Disconnect the two orange connectors from the logic board, removing tape as necessary.
Step 16
• Lift the drive up on the right side so that you can access and disconnect the modem cable and inverter cable.
Step 17
• Remove the drive by lifting the right edge up and out of the computer.
Step 18 DC-In Board
• Disconnect the large DC-In connector from the right side of the logic board.
Step 19
• Remove the two T6 Torx screws from the DC-In board.
Step 20
• Lift the DC-In board out of the computer by pulling up and away from you.
• If you don't have a 667 MHz computer, there is a fan in this location which makes it a bit difficult to remove the DC-In board.
• If there is a fan present, rotate the DC-In board slightly clockwise before easing it out at a slight angle in order to clear the fan clamp on top of it.
Step 21 Modem Filter Board
• Before continuing, place a soft cloth on your work surface to rest the computer on. Turn the G4 over and place it on the cloth.
• Disconnect the four indicated connectors from the logic board.
• The large multicolor cable may be difficult to free.
Step 22
• Remove the T8 Torx screw near the heat pipe.
Step 23
• Disconnect the two connectors from the modem filter board.
Step 24
• Remove the T6 Torx screw from the modem filter board.
Step 25
• Remove the modem filter board from the computer by pulling up and to the right.
• There is a small plastic post which helps hold the modem filter board in place. You need to clear this post to remove the modem filter board from the computer.

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iRobot

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