Introducción
How to access the PowerBook G4 Ti DVI Modem Filter Board.
Qué necesitas
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Locate the battery release tab on the underside of the G4.
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Slide the battery release tab to the left and lift the battery out of the computer.
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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.
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Pull the keyboard release tabs toward you and lift up on the keyboard until it pops free.
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Rest the keyboard face down on the trackpad area.
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Disconnect the keyboard connector from the logic board.
The keyboard connector can be very tightly connected. Use caution and a pair of needle nose pliers to pull it up from the board. The left side of the connector (left as shown in the photo) is easier to grasp than the right, so grab it on that side with the pliers and pull carefully. It will come off.
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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.
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Pull the RAM chip out.
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Repeat this process if a second RAM chip is installed.
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Remove the seven T8 Torx screws from the lower case.
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Using your thumbs, slide the lower case toward the front of the computer.
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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.
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Lift the lower case off.
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Firmly grasp the plastic tab attached to the Airport card and pull up and to the left.
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Disconnect the antenna cable from the left side of the Airport card.
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Disconnect the hard drive ribbon from the logic board using a spudger or the tip of your finger.
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To free the hard drive, remove the two T8 Torx screws from the right wall of the battery housing.
I suspect you are meant to remove the two T8 Torx screws holding down the drive retaining bar on the other side of the hard drive. Once the bar is removed, the drive will pivot out without having to touch the screws on the battery housing wall side.
I agree with John Hagen. The correct way to remove the hard drive is to remove the two T8 Torx screws and drive retaining bar, then lifting the hard drive up on the side by the optical drive . This will prevent a lot of frustration, and potential damage to the plastic shield underneath the hard drive and the rubber bumpers over the hard drive screws.
Yes, this is totally better than removing the hard drive screw on the left side of the hard drive as instructed.
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Remove the hard drive by lifting the left edge up and out of the computer.
The hard drive can be removed with its bumpers intact, by just taking off the black plastic clamp to its right. Reinserting the drive is also vastly easier when done this way.
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Disconnect the pink and white inverter cable from the inverter board.
The pink and white inverter cable connection to the inverter board is very tight. Grasp the notch on the right side of the white connector with needle nose pliers and gently wiggle and pull it out of the socket.
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Disconnect the large DC-In connector from the right side of the logic board.
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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.
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Disconnect the four indicated connectors from the logic board.
Notice the small metal clip in the middle of the optical drive bay - it can be seen on the right side of this picture, just below the keyboard ribbon cable connector. It may come loose when removing the optical drive. Its function doesn't seem to be important (it appears that it just holds couple of conductors) but keep track of it when reassembling the computer.
If just removing the logic board, I don’t find it necessary to disconnect the top fan connector. It connects to the fan mounted on the logic board , so it doesn’t need to be disconnected when removing the logic board itself.
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Remove the T8 Torx screw near the heat pipe.
The Torx screw on the right can be hard to reach (and put back). To get it back, I pushed my Torx wrench through a piece of double sided tape (used for laying carpet), which left a little dot of adhesive on the tip of the wrench that held the screw while performing the contortions to put the screw back in place...
You're doing something wrong—only the left screw at that position needs to be removed to detach the heatsink from the logic board. In fact this whole walkthru would be simplified a great deal if it concentrated on removing the logic board, heat sink, and internal frame as a unit. There would be only 9 screws instead of ~25, and fewer chances to bend or break intricate parts.
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Disconnect the two connectors from the modem filter board.
When replacing the logic board, be careful not to lose the top connector's wires under the plate beneath the modem filter board.
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To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.
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