Apple iBook G4 1632v Service Manual

 Service Source

iBook

iBook (14.1 LCD 16 VRAM) iBook (14.1 LCD 32 VRAM)

iBook (14.1 LCD 900 MHz 32 VRAM)

Updated February 25, 2005

 Service Source

Take Apart

iBook (14.1 LCD 16 VRAM) iBook (14.1 LCD 32 VRAM)

iBook (14.1 LCD 900 MHz 32 VRAM)

General Information

Overview

The key identifying characteristics among the iBook computers covered by this manual are shown in the following table:

Configuration 16 VRAM 32 VRAM 900 MHz 32 VRAM

Video RAM 16 VRAM 32 VRAM 32 VRAM

Processor 700 MHz 800 MHz 900 MHz

Tools

The following tools are recommended for the Take Apart procedures:

• Coin

• ESD wriststrap and mat

• Magnetized #0 Phillips screwdriver

• Jeweler’s ﬂat-blade screwdriver

• Small soft cloth

• Torx T8 screwdriver

• Black stick (or other nonconductive nylon or plastic tool)

• Metal paper clip

• Needlenose pliers

Note:

compartments (such as a plastic ice cube tray).

Serial Number Location

In this computer, the product serial number is located in the battery bay and on the top case underneath the keyboard.

General Information

To organize the screws you remove from the assembly, use a tray with divided

iBook (14.1 LCD 16 VRAM) Take Apart -

Battery

Tools

• Coin

Procedure

Warning: Always shut down the computer before opening it to avoid damaging its internal components or causing injury. After you shut down the computer, the internal components can be very hot. Let the computer cool down before continuing.

1. Place the computer on a clean, ﬂat surface.

2. Shut down the computer and wait thirty minutes before continuing.

3. Disconnect the power cord and any other cables connected to the computer.

4. Close the computer, turn it over, and locate the battery latch.

Use a coin to turn the battery latch 1/4 turn clockwise to unlock the battery. Gently remove the battery.

Removing the battery will prevent you from accidentally turning on the computer.

Warning: Removing the battery before shutting down the computer may result in data loss.

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iBook (14.1 LCD 16 VRAM) Take Apart

Battery

5. Install the replacement battery.

6. Reconnect the power cord and any other cables that were connected and restart the computer.

Note:

You may need to reset the date and time (using the Date & Time control

panel).

Warning: Never turn on the computer unless all of its internal and external parts are in place and it is fully reassembled. Operating the computer when it is missing parts can damage the computer or cause injury.

Battery

iBook (14.1 LCD 16 VRAM) Take Apart -

Keyboard and RAM Shield

Tools

• #0 Phillips screwdriver

• Jeweler’s ﬂat-blade screwdriver (if keyboard is locked)

• Small soft cloth (if an optional AirPort Card is installed)

Preliminary Steps

Before you begin, remove the battery.

Procedure

1. Raise the display so you can access the keyboard.

2. Make sure the keyboard locking screw, located in the small plastic tab to the left of the Num Lock key, is not in the locked position. The iBook comes with the keyboard unlocked, so unless you or someone else locked the keyboard, you can skip this step.

To unlock the keyboard, turn the screw 1/2 turn.

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iBook (14.1 LCD 16 VRAM) Take Apart

Keyboard and RAM Shield

3. Release the keyboard by pulling down on the keyboard release tabs (located to the left of the F1 and F12 keys), then lift the top portion of the keyboard up slightly, and toward the display.

4. Flip the keyboard over and lay it on the palm rests and trackpad.

Keyboard and RAM Shield

iBook (14.1 LCD 16 VRAM) Take Apart -

5. Touch a metal surface on the inside of the computer to discharge any static electricity, as shown.

Important:

touching the computer’s framework before you touch any parts or install any components inside the computer. To avoid static electricity building back up in your body, do not walk around the room until you have completed the installation and closed the computer.

6. If the computer has the optional AirPort Card installed, unlatch the ﬂexible wire holder that secures the card.

To avoid electrostatic discharge damage, always ground yourself by

7. Use the pull-tab on the card to remove it from the slot. (You do not need to disconnect the antenna.)

Note:

To avoid scratching the computer’s case, place a soft cloth between the

AirPort Card and the surface of the iBook.

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iBook (14.1 LCD 16 VRAM) Take Apart

Keyboard and RAM Shield

8. If an AirPort Card is not installed, unlatch the ﬂexible wire holder to release the AirPort Card antenna cable.

9. Remove the two screws that secure the RAM shield.

10. Lift the RAM shield out of the computer. Carefully pulling up on the wire holder may help to remove the shield.

Keyboard and RAM Shield

iBook (14.1 LCD 16 VRAM) Take Apart -

11. Locate the keyboard cable connector.

12. Firmly grasp the cable as shown in the illustration.

13. Carefully pull straight up on the cable until the connector releases.

Important:

Pull straight up; do not twist or pull the cable sideways.

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iBook (14.1 LCD 16 VRAM) Take Apart

Keyboard and RAM Shield

14. Install the replacement keyboard, RAM shield, and AirPort Card (if used).

Make sure the replacement keyboard is firmly seated:

• Flip the keyboard back toward the keyboard opening in the case.

• Hold the keyboard at a 45-degree angle above the keyboard opening, and insert

the tabs on the bottom edge of the keyboard into the slot under the edge of the opening.

Important:

•

against the edge of the opening.

• Lay the keyboard flat into the keyboard opening.

Make sure that all the tabs are seated and that the keyboard rests flush

• Pull down on the keyboard release tabs and then press down on the top portion of

the keyboard to secure it in place.

Keyboard and RAM Shield

iBook (14.1 LCD 16 VRAM) Take Apart -

AirPort Card

Tools

• Small soft cloth (if an optional AirPort Card is installed)

Preliminary Steps

Before you begin, remove the following:

• Battery

• Keyboard (but leave keyboard cable connected)

Procedure

1. Touch a metal surface on the inside of the computer to discharge any static electricity, as shown.

Important:

To avoid electrostatic discharge damage, always ground yourself by

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iBook (14.1 LCD 16 VRAM) Take Apart

AirPort Card

2. Unlatch the ﬂexible wire holder that secures the card.

3. Use the pull-tab on the card to remove it from the slot.

4. Disconnect the antenna cable from the AirPort Card by pulling straight back on its connector.

AirPort Card

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5. Install the replacement AirPort Card:

If the replacement AirPort Card came with an AirPort adapter, remove the metal clip (A) and pull the AirPort Card (B) from the adapter (C).

Plug the AirPort antenna cable connector into the port (located just below the pulltab) on the end of the AirPort Card. Make sure the connector is straight before inserting it into the card.

Gently slide the AirPort Card (with the AirPort ID number and bar code facing up) under the wire bracket and securely into the AirPort Card slot.

Use the wire holder to secure the AirPort Card in place by inserting its prongs into the slots in the RAM shield.

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iBook (14.1 LCD 16 VRAM) Take Apart

AirPort Card

Memory Card

Warning: Memory cards come in various speciﬁcations. Only install memory cards that are approved for this computer.

Tools

• Small soft cloth (if an optional AirPort Card is installed)

Preliminary Steps

Before you begin, remove the following:

• Battery

• Keyboard and RAM shield

• AirPort Card (if installed)

Procedure

1. Locate the installed memory card and brackets that secure the card on both sides.

Memory Card

2. Carefully spread the brackets apart until the card releases on each side. Pull the card up and out of the memory slot.

iBook (14.1 LCD 16 VRAM) Take Apart -

3. Install the replacement memory card by lining up the notch in the memory card with the small tab in the memory slot. Hold the card at a 30-degree angle, then push the card into the slot until it is ﬁrmly seated.

Note:

If you feel resistance when inserting the card, try pushing one side at a time.

4. Gently push the top of the card down until the brackets snap onto both sides of the memory card to lock it into place.

Warning:

connectors or components can cause electrical damage.

Apply gentle pressure to the memory card only. Pressing on nearby

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iBook (14.1 LCD 16 VRAM) Take Apart

Memory Card

Bottom Case

Tools

• Soft cloth

• Torx T8 screwdriver

• Black stick (or other nonconductive nylon or plastic tool)

• #0 Phillips screwdriver

Preliminary Steps

Before you begin, remove the battery.

Procedure

1. Place the computer upside down on a soft cloth.

Important:

slip out of the screw head during removal.

To avoid damaging the case, be careful that the screwdriver tip does not

Bottom Case

Remove the three screws (two identical screws in the back, one shorter screw in the center of the bottom case).

iBook (14.1 LCD 16 VRAM) Take Apart -

3. Using a black stick, peel up the three rubber feet from the metal sockets.

Note:

When reassembling the computer, do not reuse the feet. Install three new

rubber feet.

4. Remove the three identical Phillips screws from the metal sockets.

5. Use a black stick to lift out the metal sockets.

Note:

When reassembling the computer, note that the metal sockets are keyed.

Rotate them until they sit flat against the bottom case.

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iBook (14.1 LCD 16 VRAM) Take Apart

Bottom Case

6. Remove the two identical Phillips screws next to the battery connector.

7. Note the locations of the slots on the bottom case. The computer frame has tabs that ﬁt into slots within the bottom case (six tabs in front; two on each side; three in back). When using a black stick to pry off the bottom case, it helps to know where the slots are as you free the tabs from the slots.

Bottom Case

iBook (14.1 LCD 16 VRAM) Take Apart -

8. In the battery compartment, lift up the corner of the bottom case, and use a black stick or jeweler’s ﬂat-blade screwdriver to gently pry up the slot from the inner tabs on the frame.

9. Starting at the battery compartment, use a black stick to carefully pry up the bottom case from the computer.

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iBook (14.1 LCD 16 VRAM) Take Apart

Bottom Case

Warning: To avoid damaging the sleep light and other delicate components, do

10.

not insert the black stick too far into the computer as you free the bottom case from the computer. Use just the tip of the black stick to pry up the bottom case.

11. Carefully work the black stick around the corners of the bottom case.

Bottom Case

iBook (14.1 LCD 16 VRAM) Take Apart -

12. The bottom case ﬁts snugly. Use moderate force to remove the remaining tabs from the slots.

13. When all tabs have been freed from the slots, lift up the bottom case.

Note:

When reassembling the computer, be careful not to pinch any cables as you press the bottom case back onto the computer. Check that the bottom case shows no raised surfaces and is fully snapped into place before installing the remaining screws, sockets, and feet.

14. If you are replacing any additional parts at this time, remove the two springs from the battery compartment so they do not fall out and get lost.

Note:

When reassembling the computer, make sure that the two springs in the battery connector are in place before installing the bottom case. Each spring has a plastic cap on one end. The cap should fit securely on the spring, and the curved side of the cap should be positioned against the inner frame.

15. Install the replacement bottom case, and reassemble and test the computer.

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iBook (14.1 LCD 16 VRAM) Take Apart

Bottom Case

Bottom Shield

Tools

• Soft cloth

• #0 Phillips screwdriver

• Black stick (or other nonconductive nylon or plastic tool)

Note:

To organize the screws you remove from the computer, use a tray with divided

compartments (such as a plastic ice cube tray).

Preliminary Steps

Before you begin, remove the following:

• Battery

• Bottom case

Bottom Shield

iBook (14.1 LCD 16 VRAM) Take Apart -

Procedure

1. With the computer on a soft cloth, remove the following screws from the bottom shield:

• nine identical 6-mm long Phillips screws (two of the screws may be concealed

under foil tape at the display hinge)

• two identical 14.5-mm long Phillips screws

• one 5-mm long Phillips screw

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iBook (14.1 LCD 16 VRAM) Take Apart

Bottom Shield

2. Using a black stick, peel up—but do not remove—the strips of tape.

Note:

Check for foil tape by the computer latch as well as the areas shown below.

3. Carefully peel up the foil tape at the computer latch. Use the tape when reassembling the computer.

Bottom Shield

iBook (14.1 LCD 16 VRAM) Take Apart -

Warning: Do not bend the bottom shield.

Lift the bottom shield off the computer, being careful where it might catch on the tape.

5. If necessary, use a black stick to separate the foil tape on the bottom shield from the I/O bezel shield.

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iBook (14.1 LCD 16 VRAM) Take Apart

Bottom Shield

Note:

7. Install the replacement bottom shield, and reassemble and test the computer.

The two springs in the battery connector can become loose. When reassembling the computer, make sure that the two springs in the battery connector are in place before installing the bottom case. Each spring might have grease on the coils, and each has a plastic cap on one end. Make sure the cap ﬁts securely on the spring, and the curved side of the cap is positioned against the inner frame.

Bottom Shield

iBook (14.1 LCD 16 VRAM) Take Apart -

Fan

Tools

• Soft cloth

• #0 Phillips screwdriver

• Black stick (or other nonconductive nylon or plastic tool)

Preliminary Steps

Before you begin, remove the following:

• Battery

• Bottom case

• Bottom shield

Procedure

1. With the computer on a soft cloth, remove the single screw from the fan bracket.

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iBook (14.1 LCD 16 VRAM) Take Apart

Fan

2. Lift the fan and bracket from the computer, and disconnect the connector from the logic board. (Use a black stick, if necessary.)

Note:

When installing the replacement fan, make sure that the fan cable routes

underneath the fan bracket.

3. Install the replacement fan, and reassemble and test the computer.

Fan

iBook (14.1 LCD 16 VRAM) Take Apart -

Top Case

Tools

This procedure requires the following tools:

• Soft cloth

• Black stick (or other nonconductive nylon or plastic tool)

• Magnetized #0 Phillips screwdriver

• Metal paper clip

• Needlenose pliers

Note: To organize the screws you remove from the computer, use a tray with divided compartments (such as a plastic ice cube tray).

Preliminary Steps

Before you begin, remove the following:

• Battery

• Keyboard

• AirPort Card

• Bottom case

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iBook (14.1 LCD 16 VRAM) Take Apart

Top Case

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