Apple iBook G4 14 mid05 Service Manual



Service Source

iBook G4 (14-inch Mid 2005)

Updated September 9, 2005

© 2005 Apple Computer, Inc. All rights reserved.



Service Source

Take Apart

iBook G4 (14-inch Mid 2005)

© 2005 Apple Computer, Inc. All rights reserved.

General Information

Overview

To distinguish this computer from previous iBook models, note these characteristics:

• Mac OS X version 10.4 operating system

• Sudden Motion Sensor (SMS)

• 512 MB RAM standard on all configurations

• No more CD ROM on any configuration

• Built-in AirPort Extreme and Bluetooth combined on one card

General Information

iBook G4 (14-inch Mid 2005) Take Apart -

2

Important:

model is the appearance of the foot sockets. Check the foot sockets on the bottom case to
see this difference. For this model, the foot sockets are uniformly flat with no "dimples."
However, the foot sockets are compatible with earlier models, so this physical difference is
not an absolute indicator of the model type. Be sure to confirm the model type using serial
number verification.

The only noticeable physical difference between this model and the earlier G4

iBook G4 (Early 2004): Foot sockets include three "dimples"

iBook G4 (Late 2004 and Mid 2005): Foot sockets are uniformly flat

3 -

iBook G4 (14-inch Mid 2005) Take Apart

General Information

The ports on the left side of the computer are the same as the previous G4 model:

• RJ11 modem port

• Ethernet port

• FireWire port

• Two USB ports

• External display connector

• Headphone port

This table shows the product configurations at initial product introduction:

CCCCoooonnnnffffiiiigggguuuurrrraaaattttiiiioooonn

Display Size 12.1 inch 14.1 inch

Video RAM 32 VRAM 32 VRAM

Processor 1.33 GHz 1.42 GHz

Optical Drive Combo (DVD-ROM/CD-RW) SuperDrive

Hard Drive 40 GB Ultra ATA

Memory 512 MB RAM built in

AirPort Extreme/
Bluetooth

Sudden Motion
Sensor (SMS)

*

For servicing the 12.1-inch model, refer to the iBook G4 (12-inch Mid 2005) service

manual.

nn

**

GGGGoooooooodddd**

(60, 80, or 100 GB CTO)

(up to 1.5 GB DDR 333
SDRAM CTO)

card installed card installed

yes yes

tt

BBBBeeeesssstt

60 GB Ultra ATA
(80 GB or 100 GB CTO)

512 MB RAM built in
(up to 1.5 GB DDR 333
SDRAM CTO)

Procedures

If you are familiar with taking apart iBook G4 computers, you will notice some service
differences with this iBook model:

• AirPort and Bluetooth functions are combined on one card that is located under the top

• The procedures for the RAM shield, cables, hard drive, reed switch, and heatsink differ

• The number and types of screws differ somewhat from previous models.

General Information

shield.

somewhat from earlier models.

iBook G4 (14-inch Mid 2005) Take Apart -

4

Note:

The top and bottom EMI shields are marked with screw identifiers for most of the
screw locations. The screw identifiers are in the form of "M2x_" where the last digit
indicates the approximate screw length. For example, a marking of "M2x3" indicates a 3.5­mm long screw. Use the identifiers as a guide when reassembling the computer.

Tools

The following tools are recommended for the Take Apart procedures:

• Coin

• ESD wriststrap and mat

• Pin

• Magnetized #0 Phillips screwdriver

• Jeweler’s flat-blade screwdriver

• Soft cloth

• Torx T8 screwdriver

• 2.0-mm hex driver

• #4 hex nut driver

• Needlenose pliers

• Torx T6 screwdriver

• 5/32 hex driver

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

Note:

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

Serial Number Location

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

5 -

iBook G4 (14-inch Mid 2005) Take Apart

General Information

Battery

Tools

The only tool required for this procedure is a coin.

Part Location

Battery

Preliminary Steps

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 for 30 minutes
before continuing.

iBook G4 (14-inch Mid 2005) Take Apart -

6

Procedure

Warning:

performing this procedure.

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.

If the computer has been recently operating, allow it to cool down before

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.

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
in System Preferences).

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.

7 -

iBook G4 (14-inch Mid 2005) Take Apart

Battery

Foot and Foot Socket

Tools

• Foot kit (for installing the replacement feet)

• Soft cloth

• Pin

• Needlenose pliers

• #0 Phillips jeweler’s screwdriver or black stick (or other nonconductive nylon or plastic

tool)

Caution:

replace the foot and foot socket.

To avoid scratching the case, use caution when using tools to remove and

Part Location

Foot and Foot Socket

iBook G4 (14-inch Mid 2005) Take Apart -

8

Preliminary Steps

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 for 30 minutes
before continuing.

Procedure

Caution:

replace the foot.

1. Place the computer on a clean, flat surface or soft cloth.

2. Use a pin in the area shown to wedge the rubber foot off of the socket.

To avoid scratching the case, use caution when using tools to remove and

Note:

If a portion of the rubber foot remains on the bottom case, use tweezers or

needlenose pliers to carefully remove it.

9 -

iBook G4 (14-inch Mid 2005) Take Apart

Foot and Foot Socket

3. Use a screwdriver to remove the screw and socket from the bottom case.

4. Repeat for the remaining two feet if you are replacing them or removing the bottom

case.

Foot and Foot Socket

iBook G4 (14-inch Mid 2005) Take Apart -

10

Replacing the Feet and Sockets

1. Install the new socket. For the best fit, do not reuse the old socket.

Replacement Note:

bottom of the socket and the matching wedge area in the bottom case. Position the
socket in the bottom case to align the wedge areas. You might need to rotate the
socket slightly until it sits flat into the bottom case.

When replacing the socket, notice the wedge area on the

11 -

iBook G4 (14-inch Mid 2005) Take Apart

Foot and Foot Socket

2. With the socket sitting flat in the bottom case, install the screw.

3. Before installing the replacement foot, check the shape. The socket and foot are

keyed:

• The socket has three identical openings and a fourth indented area.

• The foot has three identical raised areas and a fourth smaller raised surface.

4. Install the matching foot by aligning it to the matching areas in the socket. With gentle

even pressure, press the foot onto the socket.

5. Reassemble and test the computer.

Foot and Foot Socket

iBook G4 (14-inch Mid 2005) Take Apart -

12

Keyboard and RAM Shield

Tools

• #0 Phillips screwdriver

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

• Small soft cloth

Part Location

Preliminary Steps

Before you begin, remove the battery.

13 -

iBook G4 (14-inch Mid 2005) Take Apart

Keyboard and RAM Shield

Procedure

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

2. Make sure the keyboard locking screw, located in the small plastic tab next to 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.

Keyboard and RAM Shield

iBook G4 (14-inch Mid 2005) Take Apart -

14

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 rest.

Note:

Two magnets under the keyboard help anchor it in place, so you might feel

resistance when you tilt it up.

15 -

iBook G4 (14-inch Mid 2005) Take Apart

Keyboard and RAM Shield

5. 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
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. Loosen the four captive screws that secure the RAM shield.

Keyboard and RAM Shield

iBook G4 (14-inch Mid 2005) Take Apart -

16

7. Lift the RAM shield out of the computer.

8. Locate the keyboard cable connector.

9. Firmly grasp the cable, and carefully pull it straight up until the connector releases.

Important:

Note:

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

If necessary, use your fingers to pry up the connector from side to side.

17 -

iBook G4 (14-inch Mid 2005) Take Apart

Keyboard and RAM Shield

10. Install the replacement keyboard and RAM shield.

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:

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

against the edge of the opening.

• Lay the keyboard flat into the keyboard opening.

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

the keyboard.

Keyboard and RAM Shield

iBook G4 (14-inch Mid 2005) Take Apart -

18

Memory Card

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

Tools

No tools are required for this procedure.

Part Location

Preliminary Steps

Before you begin, remove the following:

• Battery

• Keyboard and RAM shield (but do not disconnect the keyboard cable)

19 -

iBook G4 (14-inch Mid 2005) Take Apart

Memory Card

Procedure

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

2. Carefully spread the brackets away from the notches in the card until the card
releases on each side.

3. Holding the card by the top corners, pull the card up and out of the memory slot.

Memory Card

iBook G4 (14-inch Mid 2005) Take Apart -

20

4. Align the notch in the replacement 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.

5. 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: Apply gentle pressure to the memory card only. Pressing on nearby
connectors or components can cause electrical damage.

6. Reassemble and test the computer.

21 -

iBook G4 (14-inch Mid 2005) Take Apart

Memory Card

Bottom Case

Tools

• Soft cloth

• Torx T8 screwdriver or 2.0-mm hex driver

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

• #0 Phillips screwdriver

• Jeweler’s flat-blade screwdriver

Part Location

Bottom Case

Preliminary Steps

Before you begin, remove the battery.

iBook G4 (14-inch Mid 2005) Take Apart -

22

Procedure

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

2. Using a pin, pry up the three rubber feet from the metal sockets.

Important:

rubber feet.

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

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

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

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

Note:

Rotate them until they sit flat against the bottom case. Align the feet so that the keyed
area on the feet match with the socket.

23 -

iBook G4 (14-inch Mid 2005) Take Apart

Bottom Case

5.

Important:

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

slip out of the screw head during removal. Remove the three screws.

6. Remove the two identical 4.5-mm long Phillips screws next to the battery connector.

Bottom Case

iBook G4 (14-inch Mid 2005) Take Apart -

24

7. Note the locations of the slots on the bottom case pictured below. 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.

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

9.

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

25 -

iBook G4 (14-inch Mid 2005) Take Apart

Bottom Case

10. Open the computer and place it on its side. Carefully work the black stick around the
corners of the bottom case.

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

Bottom Case

iBook G4 (14-inch Mid 2005) Take Apart -

26

11. 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.

27 -

iBook G4 (14-inch Mid 2005) Take Apart

Bottom Case

12.

Note:

For this procedure, a black stick works best.

Loosen the tabs from the slot load area last.

Pull up on the port side of the bottom case.

Placing the black stick nearly parallel to the slot drive opening, carefully free the case
from the remaining tabs at the slot drive side of the computer.

When reassembling the computer, be careful not to pinch any cables as

Note:

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.

Bottom Case

iBook G4 (14-inch Mid 2005) Take Apart -

28

13. 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.

When reassembling the computer, make sure that the two springs in the

Note:

battery compartment 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. The springs have a
small amount of grease on them; do not wipe away the grease.

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

29 -

iBook G4 (14-inch Mid 2005) 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).

Part Location

Bottom Shield

Preliminary Steps

Before you begin, remove the following:

• Battery

• Bottom case

iBook G4 (14-inch Mid 2005) Take Apart -

30

Procedure

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

• Six identical 3.5-mm long Phillips screws

• Three identical 7.5-mm long Phillips screws

• One 14.5-mm long Phillips screw

Replacement Note: When reassembling the computer, install the replacement
bottom shield so that the corner of the shield closest to the ports is secured first.
(With the computer oriented as shown, this corner is the uppermost right corner.)
When reinstalling the screws, install them in the order shown.

2. If tape is used on the bottom shield, peel up, but do not remove, any pieces of tape.

Note: When reassembling the computer, reuse the tape to secure the replacement
bottom shield.

31 - iBook G4 (14-inch Mid 2005) Take Apart

Bottom Shield

3. Warning: Do not bend the bottom shield.

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

4. Note: The two springs in the battery compartment can become loose. When
reassembling the computer, make sure that the two springs are in place before
installing the bottom case. Each spring has 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 G4 (14-inch Mid 2005) Take Apart - 32

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

Replacement Note: Before installing the bottom shield, make sure cables are routed
as shown.

33 - iBook G4 (14-inch Mid 2005) Take Apart

Bottom Shield

DC-In Board

Tools

• Soft cloth

• #0 Phillips screwdriver

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

Part Location

DC-In Board

Preliminary Steps

Before you begin, remove the following:

• Battery

• Bottom case

• Bottom shield

iBook G4 (14-inch Mid 2005) Take Apart - 34

Procedure

1. With the computer on a soft cloth, remove any tape that holds the cable to the frame or
logic board.

2. Route the cable from the guides in the chassis.

35 - iBook G4 (14-inch Mid 2005) Take Apart

DC-In Board

3. Remove the 3-mm long screw from the DC-in board.

4. Tilt up the DC-in board, and pivot it out of the frame.

DC-In Board

iBook G4 (14-inch Mid 2005) Take Apart - 36

5. Carefully peel up the DC-in cable from where it adheres to the bottom of the logic
board.

Caution: Do not forcefully pull or strain the cable.

37 - iBook G4 (14-inch Mid 2005) Take Apart

DC-In Board

6. Disconnect the DC-in cable from the underside of the logic board.

7. Remove the DC-in board from the computer assembly.

8. Install the replacement DC-in board, and reassemble and test the computer.

Important: When routing the DC-in cable, make sure you route it to the left of the
frame standoff, as shown.

DC-In Board

iBook G4 (14-inch Mid 2005) Take Apart - 38

Battery Transfer Board

Tools

• Soft cloth

• #0 Phillips screwdriver

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

Part Location

Preliminary Steps

Before you begin, remove the following:

• Battery

• Bottom case

• Bottom shield

39 - iBook G4 (14-inch Mid 2005) Take Apart

Battery Transfer Board

Procedure

1. With the computer on a soft cloth, remove the two 7.5-mm long screws that secure the
battery connector board to the computer frame.

2. Disconnect the battery transfer board from the logic board.

3. Install the replacement battery transfer board, and reassemble and test the computer.

Battery Transfer Board

iBook G4 (14-inch Mid 2005) Take Apart - 40

Fan

Tools

• Soft cloth

• #0 Phillips screwdriver

Part Location

Preliminary Steps

Before you begin, remove the following:

• Battery

• Bottom case

• Bottom shield

41 - iBook G4 (14-inch Mid 2005) Take Apart

Fan

Procedure

1. With the computer on a soft cloth, remove the four identical 3.5-mm long screws that
secure the fan to the computer frame.

Replacement Note: When replacing the fan, install the four screws in a sequence
that secures the opposite corners of the fan, such as: upper right (1), lower left (2),
lower right (3), upper left (4).

2. Disconnect the fan cable from the logic board.

3. Peel up any tape over the fan bracket or cable.

Replacement Note: When reassembling the computer, the replacement fan might
include a piece of tape that secures the cable to the body of the fan. Make sure the
tape is not blocking the fan blade movement.

Fan

iBook G4 (14-inch Mid 2005) Take Apart - 42

4. Lift up the fan from the computer.

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

43 - iBook G4 (14-inch Mid 2005) Take Apart

Fan

Top Case

Tools

This procedure requires the following tools:

• Soft cloth

• Small flat-blade screwdriver

• #0 Phillips screwdriver (magnetized recommended for optical drive screws)

• 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).

Part Location

Top Case

Preliminary Steps

Before you begin, remove the following:

• Battery

• Keyboard and RAM shield

• Memory

iBook G4 (14-inch Mid 2005) Take Apart - 44

• Bottom case

• Bottom shield

• DC-in board

Procedure

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

• Three 4.5-mm long screws with beveled heads at optical drive slot-load area

• Three 3.5-mm long screws

• Four 14.5-mm long screws

• One 12-mm long screw

Replacement Note: When replacing the screws, install them in the order shown.

Note: Although the model pictured in this section is not identical to the subject model,

the steps are the same.

45 - iBook G4 (14-inch Mid 2005) Take Apart

Top Case

2. Turn over the computer. Using a black stick, pry up the sides of the trackpad cable
connector to release the trackpad cable.

3. Remove the three screws from the keyboard well:

• Two identical 4.5-mm long Phillips screws

• One 3.5-mm long Phillips screw at lower left corner

Replacement Caution: When replacing the screws in the keyboard well, make
sure the shortest screw is installed in the lower left corner. Using a longer
screw could damage the AirPort Extreme/Bluetooth card.

Top Case

iBook G4 (14-inch Mid 2005) Take Apart - 46

4. Use a soft cloth to protect the computer.

5. Using a black stick, begin to carefully separate the top case from the computer
assembly. Reposition the computer as you work around the top case to open up the
seam that joins the top case and bottom case.

6. While continuing to loosen the top case, use caution around the battery bay. If
necessary, flex the inner frame to release that corner of the top case.

47 - iBook G4 (14-inch Mid 2005) Take Apart

Top Case

7. Warning: The top case is connected to the computer assembly with delicate

cables. Do not remove the top case until the cables are disconnected (see the
next steps).

With most of the top case loosened, place the top case off center so you can access
the trackpad cable. Use a black stick to disconnect the trackpad cable.

Warning: When performing this step, make sure the speaker cable and shorter
power switch cable are not strained.

Top Case

iBook G4 (14-inch Mid 2005) Take Apart - 48

8. With the speaker cable and power cable still attached, carefully reposition the top case
so you can access the two remaining cables.

9. Use a black stick to carefully disconnect the cables from the logic board.

10. Remove the top case from the computer.

49 - iBook G4 (14-inch Mid 2005) Take Apart

Top Case

11. Before installing the replacement top case, make sure it includes the following:

• Speaker set

• Power button and board (under left speaker)

• Speaker cable and power switch cable

• Trackpad assembly with board and cable

• Display latch

12. Important: Make sure you transfer the original serial number label and Ethernet label
from the old top case to the replacement top case. You can use a black stick to
carefully peel up a corner of the label. Then peel off the label completely and apply it
to the replacement top case. Make sure that the labels lie completely flat so they do
not interfere with the battery compartment.

Top Case

iBook G4 (14-inch Mid 2005) Take Apart - 50

13. Install the replacement top case, and reassemble and test the computer.

Note: When installing the replacement top case, connect the power switch cable
connector (the shorter cable) first. Then connect the speaker cable connector. Do not
strain the cables.

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

51 - iBook G4 (14-inch Mid 2005) Take Apart

Top Case

Sleep Light Board

Tools

• Soft cloth

• #0 Phillips screwdriver

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

Part Location

Sleep Light Board

Preliminary Steps

Before you begin, remove the following:

• Battery

• Keyboard and RAM shield

• Memory card

• Bottom case

• Bottom shield

• DC-in board

• Top case

iBook G4 (14-inch Mid 2005) Take Apart - 52

Procedure

1. With the computer on a soft cloth, note the location of the sleep light board connector
on the logic board.

Note: When reassembling the computer, make sure the sleep light board is
positioned as shown and does not get caught between the top and bottom case.

2. Peel up any tape that may hold the cable in place.

3. Disconnect the cable that attaches the sleep light board to the logic board.

Caution: Be careful not to bend the spring clip next to the connector.

4. Turn over the computer and remove the 4.5-mm long screw from the sleep light holder
and frame.

53 - iBook G4 (14-inch Mid 2005) Take Apart

Sleep Light Board

5. Remove the sleep light board and holder from the frame.

6. Install the replacement sleep light board, and reassemble and test the computer.

Sleep Light Board

iBook G4 (14-inch Mid 2005) Take Apart - 54

Display Latch

Tools

This procedure requires the following tools:

• Soft cloth

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

Part Location

Preliminary Steps

Before you begin, remove the following:

• Battery

• Keyboard and RAM shield

• Memory card

• Bottom case

• Bottom shield

55 - iBook G4 (14-inch Mid 2005) Take Apart

Display Latch

• DC-in board

• Top case

Procedure

1. With the top case on a soft cloth, note the routing of the trackpad flex cable to the
trackpad board.

Display Latch

2. Using your fingernail or a black stick, tilt up the brown hinged locking connector.

iBook G4 (14-inch Mid 2005) Take Apart - 56

3. With the locking connector tilted up, slide out the trackpad cable.

4. Holding the top case steady, press the latch button in and under the lip of the top case.
You might need to flex the latch opening somewhat to remove it from the top case.

57 - iBook G4 (14-inch Mid 2005) Take Apart

Display Latch

5. Carefully peel up the trackpad cable from the top case.

6. Install the replacement display latch by tilting it onto the trackpad assembly, pressing
the latch button, and feeding the latch into the latch opening in the top case. Test that
the latch button works easily.

7. Reassemble and test the computer.

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

Display Latch

iBook G4 (14-inch Mid 2005) Take Apart - 58

Top Shield

Tools

• Soft cloth

• #0 Phillips screwdriver

• #1 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).

Part Location

Preliminary Steps

Before you begin, remove the following:

• Battery

• Keyboard and RAM shield

59 - iBook G4 (14-inch Mid 2005) Take Apart

Top Shield

• Memory card

• Bottom case

• Bottom shield

• DC-in board

• Top case

Procedure

1. With the computer on a soft cloth, remove the following Phillips screws:

• Two 4.5-mm long screw

• Fourteen 3-mm long screws

Top Shield

iBook G4 (14-inch Mid 2005) Take Apart - 60

Replacement Note: The longest screw at the top shield secures the LVDS cable to
the shield and frame.

2. Using a black stick, carefully peel up, but do not remove, any pieces of tape.

Note: When reassembling the computer, reuse the tape to secure the replacement
top shield.

Replacement Note: When reinstalling the top shield, make sure the AirPort antenna
cable at the display hinge is routed neatly underneath the shield.

61 - iBook G4 (14-inch Mid 2005) Take Apart

Top Shield

3. Warning: Do not bend the top shield.

Lift the top shield off the computer, being careful where it might catch on the
computer assembly.

4. Install the replacement top shield, and reassemble and test the computer.

Replacement Note: Before securing the top shield, check that the long mesh strip is
attached to the replacement top shield, as shown.

Top Shield

iBook G4 (14-inch Mid 2005) Take Apart - 62

Replacement Note: Compare the computer assembly to the image shown below.
Make sure the cables are connected, and routed as shown.

63 - iBook G4 (14-inch Mid 2005) Take Apart

Top Shield

I/O Bezel

Tools

• Soft cloth

• #0 Phillips screwdriver

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

Part Location

I/O Bezel

Preliminary Steps

Before you begin, remove the following:

• Battery

• Keyboard and RAM shield

• Memory card

• Bottom case

• Bottom shield

• DC-in board

• Top case

• Top shield

iBook G4 (14-inch Mid 2005) Take Apart - 64

Procedure

1. With the computer on a soft cloth, remove the two screws from the I/O bezel:

• 3-mm long screw at longer tab

• 2-mm long screw at shorter tab

2. Remove the I/O bezel from the computer frame.

Note: When reassembling the computer, make sure that the I/O bezel is level and fits
over all ports.

65 - iBook G4 (14-inch Mid 2005) Take Apart

I/O Bezel

3. Install the replacement I/O bezel, and reassemble and test the computer.

Note: When installing the replacement I/O bezel, make sure the bezel shield and the
mylar panel fits over the underside of the logic board, as shown below.

I/O Bezel

iBook G4 (14-inch Mid 2005) Take Apart - 66

RJ11 Modem Cable

Tools

• Soft cloth

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

Part Location

Preliminary Steps

Before you begin, remove the following:

• Battery

• Keyboard and RAM shield

• Memory card

• Bottom case

• Bottom shield

• DC-in board

• Top case

• Top shield

• I/O bezel

67 - iBook G4 (14-inch Mid 2005) Take Apart

RJ11 Modem Cable

Procedure

1. With the computer on a soft cloth, lift up the modem sleeve and disconnect the RJ11
modem cable from the modem board.

2. Guide the cable up through the metal channel.

3. While supporting the computer assembly, slide the modem port forward and off of the
logic board.

4. Install the replacement RJ11 modem cable, and reassemble and test the computer.

RJ11 Modem Cable

iBook G4 (14-inch Mid 2005) Take Apart - 68

Hard Drive

Tools

• Soft cloth

• #0 Phillips screwdriver

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

• Torx T8 screwdriver

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

Part Location

Preliminary Steps

Before you begin, remove the following:

• Battery

• Keyboard and RAM shield

69 - iBook G4 (14-inch Mid 2005) Take Apart

Hard Drive

• Memory card

• Bottom case

• Bottom shield

• DC-in board

• Top case

• Top shield

Procedure

1. Remove the six identical 4.5-mm long screws:

• four from the hard drive brackets

• two from the holder over the hard drive connector

Hard Drive

iBook G4 (14-inch Mid 2005) Take Apart - 70

2. Lift off the holder from the hard drive connector.

Replacement Note: Be sure to reinstall the connector holder when replacing the
hard drive.

3. Check the position of the microphone cable at the upper left corner of the drive.

71 - iBook G4 (14-inch Mid 2005) Take Apart

Hard Drive

4. If the microphone cable is blocking the corner of the drive, use a black stick to carefully
move it aside.

5. Press in on the upper bracket to clear it from the frame. While pressing on

the bracket, use a black stick to begin to lift up the end of the hard drive.

Hard Drive

iBook G4 (14-inch Mid 2005) Take Apart - 72

6. Lift up the end of the drive until you can grasp its sides.

7. Warning: Handle the hard drive at the sides only. Do not touch or press
anywhere else on the drive.

LIft up the drive just slightly to loosen the hard drive connector.

73 - iBook G4 (14-inch Mid 2005) Take Apart

Hard Drive

8. From the end of the drive that is closest to the corner of the frame, tilt up the hard
drive, and loosen it from the connector on the logic board. Use a black stick to pry up
the drive.

Important: Keep the drive as level as possible as you lift it straight up out of the
computer assembly.

Hard Drive

iBook G4 (14-inch Mid 2005) Take Apart - 74

9. Warning: If the connector is pulled off too quickly, some connector pins could

become bent and damaged.

Using gentle force, loosen one end of the connector just a bit, then loosen the other
end. Carefully rock the connector in small, even increments to gradually disconnect it
from the hard drive.

Important: If the hard drive pins become bent, use a black stick or jeweler’s flat­blade screwdriver to carefully straighten the pins.

75 - iBook G4 (14-inch Mid 2005) Take Apart

Hard Drive

10. Remove the hard drive brackets (with grommets attached) by pulling them straight off
the drive.

Note: When reassembling the computer, transfer both brackets (including the
grommets) to the replacement hard drive so the grommets fit over the screw heads.

11. Using a Torx T8 screwdriver, remove the four identical, black, 7-mm long screws from
the sides of the drive.

Hard Drive

iBook G4 (14-inch Mid 2005) Take Apart - 76

12. Install the replacement hard drive, and reassemble and test the computer. Follow
these important replacement considerations:

• Important: Before installing the hard drive direct-connect connector, find the open

spaces on the drive and the connector. Make sure the "empty" space on the
connector aligns with the "missing" pin on the hard drive.

• With the direct-connect connector aligned correctly over the hard drive pins,

carefully press down on one side of the connector.

Replacement Warning: To avoid bending the pins, do not force the connector onto
the drive pins.

77 - iBook G4 (14-inch Mid 2005) Take Apart

Hard Drive

• Press the other end of the connector to slowly seat the connector all the way onto

the drive.

• Important: When setting the drive onto the logic board connector, tilt the drive

slightly so that the connector slots align properly. Then level the drive, and make
sure the brackets fit into the frame so that the grommets on the brackets match up
with the holes in the frame. With the drive aligned properly, press on the connector
to make sure it is fully engaged on the logic board.

Hard Drive

iBook G4 (14-inch Mid 2005) Take Apart - 78

• Replace the hard drive brace, and install the two screws. Then install the four

screws for the hard drive brackets.

79 - iBook G4 (14-inch Mid 2005) Take Apart

Hard Drive

AirPort Extreme/Bluetooth Card

Tools

• Soft cloth

• #0 Phillips screwdriver

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

Part Location

Preliminary Steps

Important: To avoid damaging the delicate connector on the AirPort Extreme/Bluetooth
card, make sure you read and understand all of the instructions.

Before you begin, remove the following:

• Battery

• Keyboard and RAM shield

• Memory card

• Bottom case

• Bottom shield

• DC-in board

• Top case

• Top shield

AirPort Extreme/Bluetooth Card

iBook G4 (14-inch Mid 2005) Take Apart - 80

Procedure

Important: Deviating from these steps could result in a damaged card. Make sure you
read and understand all of the steps before removing or installing the card.

1. Remove the three identical 3-mm long screws from the Y-shaped bracket that fits over
the AirPort Extreme/Bluetooth card.

2. Lift off the Y-shaped bracket.

81 - iBook G4 (14-inch Mid 2005) Take Apart

AirPort Extreme/Bluetooth Card

3. Remove the two identical 3-mm long screws from the AirPort Extreme/Bluetooth card.

4. Caution: The connector that holds the card onto the logic board is delicate. Do not
put pressure on the card, and do not deviate from these instructions.

Important: To disconnect the card, press on the corner of the card—only where
shown—as you use a black stick at the side of the card, near the card connector, to
slowly pop up the card. You should hear a soft "snap" when the card disengages
from the logic board. To avoid damaging the card, hold it by its edges, and lift it
straight up and off the connector on the logic board.

5. Peel up the tape, if present, that secures the antenna cables to the heatsink.

AirPort Extreme/Bluetooth Card

iBook G4 (14-inch Mid 2005) Take Apart - 82

6. With the antenna cables still connected, turn over the card.

7. Note the location of the two cable connectors.

Replacement Caution: Although the cable connectors are identical, do not swap
the cables. Make sure that when the card is oriented as shown, the black cable is
positioned between the corner hole and the gray cable.

83 - iBook G4 (14-inch Mid 2005) Take Apart

AirPort Extreme/Bluetooth Card

8. Disconnect the cables by pulling the connectors straight off the card. Remove the card
from the computer assembly.

AirPort Extreme/Bluetooth Card

iBook G4 (14-inch Mid 2005) Take Apart - 84

9. After connecting the antenna cables, install the replacement AirPort Extreme/
Bluetooth card by aligning the card directly over the connector and pressing down on
the board over the connector area only.

Important: A soft "snap" sound tells you that the card is connected to the logic
board.

Make sure the antenna cables are routed over the heatsink, as shown. Then install
the two card screws followed by the Y-shaped bracket and screws.

10. Reassemble and test the computer.

85 - iBook G4 (14-inch Mid 2005) Take Apart

AirPort Extreme/Bluetooth Card

Modem

Tools

• Soft cloth

• #0 Phillips screwdriver

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

Part Location

Modem

Preliminary Steps

Before you begin, remove the following:

• Battery

• Keyboard and RAM shield

• Memory card

• Bottom case

• Bottom shield

• DC-in board

• Top case

• Top shield

iBook G4 (14-inch Mid 2005) Take Apart - 86

Procedure

1. Warning: When removing the modem, be careful not to strain the modem cable
or shield. Read all of the procedure before removing and replacing the modem.

2. Peel up any strips of tape, if present, at the modem board.

3. Remove the two identical 3.5-mm long screws from the modem board.

87 - iBook G4 (14-inch Mid 2005) Take Apart

Modem

4. Use a black stick to lift up one end of the modem board. Grasp the edges of the
modem to disconnect it from the computer.

Replacement Caution: Handle the modem by the edges only. When securing the
modem to the logic board, press only on the area that is directly over the modem
connector.

Modem

iBook G4 (14-inch Mid 2005) Take Apart - 88

5. Disconnect the cable from the end of the modem board.

6. Remove the modem shield from the computer assembly.

Replacement Note: Before installing the replacement modem, make sure to fit it into
the metal shield.

89 - iBook G4 (14-inch Mid 2005) Take Apart

Modem

7. Install the replacement modem, and reassemble and test the computer.

Replacement Note: Before installing the replacement modem, make sure no cables
are blocking the modem connector on the logic board.

Replacement Caution: With the modem connector centered over the connector on
the logic board, press the modem onto the connector. Press only over the connector;
do not press elsewhere on the modem.

Modem

iBook G4 (14-inch Mid 2005) Take Apart - 90

Reed Switch Board

Tools

• Soft cloth

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

Replacement Note: If the tape you remove from this assembly is worn and cannot be
reused, use new Kapton tape (Apple part number 922-5025).

Part Location

Preliminary Steps

Before you begin, remove the following:

• Battery

• Keyboard and RAM shield

• Memory card

• Bottom case

• Bottom shield

• DC-in board

• Top case

• Top shield

91 - iBook G4 (14-inch Mid 2005) Take Apart

Reed Switch Board

Procedure

1. Note how the reed switch cable is routed along the lower corner of the optical drive
and connected to the logic board.

2. Disconnect the connector from the logic board.

3. Peel up or loosen the tape from the optical drive and frame.

Reed Switch Board

iBook G4 (14-inch Mid 2005) Take Apart - 92

4. Caution: To avoid damaging the reed switch cable, slowly pull it up from the groove
between the frame rib and the optical drive. Hold the tape aside as you guide the
cable out of the groove.

5. Use a black stick to pry up the reed switch board from the adhesive on the optical
drive bezel.

93 - iBook G4 (14-inch Mid 2005) Take Apart

Reed Switch Board

6. Replacement Note: When replacing the reed switch board, align the upper right
corner with the raised L-shaped guide on the optical drive bezel.

Reed Switch Board

iBook G4 (14-inch Mid 2005) Take Apart - 94

7. Remove the reed switch cable assembly.

8. Install the replacement reed switch board and cable assembly, and reassemble and
test the computer.

Be sure to tuck the cables into the groove at the lower edge of the optical drive.
Secure the cables with the tape provided.

95 - iBook G4 (14-inch Mid 2005) Take Apart

Reed Switch Board

Optical Drive

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).

Part Location

Optical Drive

Preliminary Steps

Before you begin, remove the following:

• Battery

• Keyboard and RAM shield

• Memory

iBook G4 (14-inch Mid 2005) Take Apart - 96

• Bottom case

• Bottom shield

• DC-in board

• Top case

• Top shield

97 - iBook G4 (14-inch Mid 2005) Take Apart

Optical Drive

Procedure

1. With the computer on a soft cloth, peel up any tape on top of the optical drive.

2. Remove the following from the optical drive:

• 6-mm long screw at upper right corner of drive

• 6-mm long screw at lower left corner of drive (this screw has an identifiable collar

under the screw head)

• 3-mm long screw at upper left corner of drive

Replacement Note: When replacing the optical drive, install the screws in the
following sequence: lower left (1), upper right (2), upper left (3).

Optical Drive

iBook G4 (14-inch Mid 2005) Take Apart - 98

3. Move the reed switch cable aside.

Note: You do not need to completely remove the reed switch board and cable.

4. Disconnect the optical drive ribbon cable from the logic board.

99 - iBook G4 (14-inch Mid 2005) Take Apart

Optical Drive