Apple PowerBook G4 (12-inch 1.5GHZ) Specifications

© 2005, 2007 Apple Inc. All rights reserved.  Service SourcePowerBook G4 (12-inch 1.5 GHz) Updated August 1, 2007

8 - PowerBook G4 (12-inch 1.5 GHz) Take Apart Feet Procedure Warning: The glue used in this procedure can bond instantly to skin. Do not touch the

98 - PowerBook G4 (12-inch 1.5 GHz) Take Apart How to Remove a Stuck Disc from the Slot-LoadProcedure1. Remove the four identical screws that hold the

PowerBook G4 (12-inch 1.5 GHz) Take Apart - 99 How to Remove a Stuck Disc from the Slot-Load 3. Check the placement of the disc. It is either clamped

100 - PowerBook G4 (12-inch 1.5 GHz) Take Apart BluetoothBluetoothToolsThis procedure requires the following tools:• #0 Phillips screwdriver • Black s

PowerBook G4 (12-inch 1.5 GHz) Take Apart - 101 Bluetooth• Modem• DC-to-DC board• Heatsink with fan• Inner frame (with RJ11 board attached)• Logic boa

102 - PowerBook G4 (12-inch 1.5 GHz) Take Apart Bluetooth2. Use a black stick to disconnect the 4-pin connector from the board.3. Holding the Bluetoot

PowerBook G4 (12-inch 1.5 GHz) Take Apart - 103 SubwooferSubwooferToolsThis procedure requires the following tools:• #0 Phillips screwdriver• Black s

104 - PowerBook G4 (12-inch 1.5 GHz) Take Apart Subwoofer• Heatsink with fan• Inner frame (with RJ11 board attached)• Logic board• Optical drive• Blue

PowerBook G4 (12-inch 1.5 GHz) Take Apart - 105 Subwoofer4. Note: The back edge of the subwoofer adheres to the rear panel. Use a black stick to pry o

106 - PowerBook G4 (12-inch 1.5 GHz) Take Apart Display ModuleDisplay ModuleToolsThis procedure requires the following tools:• #0 Phillips screwdrive

PowerBook G4 (12-inch 1.5 GHz) Take Apart - 107 Display Module• AirPort Extreme Card, if installed• Keyboard• Top case• Hall effect sensor board and c

PowerBook G4 (12-inch 1.5 GHz) Take Apart - 9 Feet4. Warning: GLUE IS AN EYE AND SKIN IRRITANT. BONDS SKIN INSTANTLY. Do not touch the glue at any

108 - PowerBook G4 (12-inch 1.5 GHz) Take Apart Display Module2. Remove the two screws near the display hinge.3. From the inside of the bottom case, c

PowerBook G4 (12-inch 1.5 GHz) Take Apart - 109 Display Module4. Note the routing of the AirPort antenna. Using a black stick, start to thread the Air

110 - PowerBook G4 (12-inch 1.5 GHz) Take Apart Display Module6. Support the antenna cable as you direct the antenna plug out of the opening in the ca

PowerBook G4 (12-inch 1.5 GHz) Take Apart - 111 Display Module7. Place the computer with the display face up and open to a 90-degree angle or less. 8.

112 - PowerBook G4 (12-inch 1.5 GHz) Take Apart Display ModuleImportant: The display might get caught on the hooks (shown below) on the bottom case. I

PowerBook G4 (12-inch 1.5 GHz) Take Apart - 113 Display Module9. Remove the four screws from the display’s inner rear panel. Make sure the screwdriver

114 - PowerBook G4 (12-inch 1.5 GHz) Take Apart Display ModuleReplacement Note: When installing the rear panel, check that the twisted pair of speaker

PowerBook G4 (12-inch 1.5 GHz) Take Apart - 115 Display Module11. Install the replacement display module, and reassemble and test the computer.

116 - PowerBook G4 (12-inch 1.5 GHz) Take Apart Bottom CaseBottom CasePart LocationPreliminary StepsBefore you begin, remove the following:• Battery•

PowerBook G4 (12-inch 1.5 GHz) Take Apart - 117 Bottom Case• Logic board• DC-in board• Optical drive• Bluetooth• Subwoofer• Display moduleProcedureWhe

10 - PowerBook G4 (12-inch 1.5 GHz) Take Apart Memory Door and Memory Card Memory Door and Memory Card Tools This procedure requires the following t

118 - PowerBook G4 (12-inch 1.5 GHz) Take Apart Display HousingDisplay HousingToolsThis procedure requires the following tools:• 1.5 mm hex driver• Bl

PowerBook G4 (12-inch 1.5 GHz) Take Apart - 119 Display Housing• Hard drive• Modem• DC-to-DC board• Heatsink with fan• Inner frame (with RJ11 board at

120 - PowerBook G4 (12-inch 1.5 GHz) Take Apart Display Housing2. Use a black stick or thin plastic credit card around the outer edge of the bezel to

PowerBook G4 (12-inch 1.5 GHz) Take Apart - 121 Display Housing3. Warning: Handle the display assembly and cables with care. Do not strain or pinch th

122 - PowerBook G4 (12-inch 1.5 GHz) Take Apart Display Housing4. Note the routing of the antenna cables. Peel up the tape that holds the cables in pl

PowerBook G4 (12-inch 1.5 GHz) Take Apart - 123 Display Housing7. Note: The antenna receptors are held in place with glue at each post. Use a black st

124 - PowerBook G4 (12-inch 1.5 GHz) Take Apart Display Housing8. Placing the antenna cables and receptors aside, remove the display housing.Replaceme

PowerBook G4 (12-inch 1.5 GHz) Take Apart - 125 LCD PanelLCD PanelToolsThis procedure requires the following tools:• Phillips #0 screwdriver• Black st

126 - PowerBook G4 (12-inch 1.5 GHz) Take Apart LCD Panel• Modem• DC-to-DC board• Heatsink with fan• Inner frame (with RJ11 board attached)• Logic boa

PowerBook G4 (12-inch 1.5 GHz) Take Apart - 127 LCD Panel2. Remove the two screws from each side of the LCD panel.3. Raise up the LCD panel and discon

PowerBook G4 (12-inch 1.5 GHz) Take Apart - 11 Memory Door and Memory Card1. Place the computer upside down on a soft cloth.2. Remove the four iden

128 - PowerBook G4 (12-inch 1.5 GHz) Take Apart LCD Panel4. Install the replacement LCD panel, and reassemble and test the computer.Replacement Note:

PowerBook G4 (12-inch 1.5 GHz) Take Apart - 129 Inverter Board (and Antenna Cable Assembly)Inverter Board (and Antenna Cable Assembly)ToolsThis proced

130 - PowerBook G4 (12-inch 1.5 GHz) Take Apart Inverter Board (and Antenna Cable Assembly)• Hard drive• Modem• DC-to-DC board• Heatsink with fan• Inn

PowerBook G4 (12-inch 1.5 GHz) Take Apart - 131 Inverter Board (and Antenna Cable Assembly)2. Lift up the board.3. Peel away the tape and mylar cover

132 - PowerBook G4 (12-inch 1.5 GHz) Take Apart Inverter Board (and Antenna Cable Assembly)4. Separate the antenna cable assembly (board with attached

PowerBook G4 (12-inch 1.5 GHz) Take Apart - 133 Inverter Board (and Antenna Cable Assembly)7. Separate the clutch cover from the bezel and remove the

134 - PowerBook G4 (12-inch 1.5 GHz) Take Apart Inverter Board (and Antenna Cable Assembly)Replacement Note: When reinstalling the clutch cover, check

PowerBook G4 (12-inch 1.5 GHz) Take Apart - 135 Hinges with Bezel BraceHinges with Bezel BracePart LocationPreliminary StepsBefore you begin, remove t

136 - PowerBook G4 (12-inch 1.5 GHz) Take Apart Hinges with Bezel BraceProcedureImportant: In the following steps, note that because of the position

PowerBook G4 (12-inch 1.5 GHz) Take Apart - 137 Hinges with Bezel Brace3. Replacement Note: If you are replacing the right hinge with bezel brace with

12 - PowerBook G4 (12-inch 1.5 GHz) Take Apart Memory Door and Memory Card6. Insert the replacement memory card into the expansion slot at a 30-degr

138 - PowerBook G4 (12-inch 1.5 GHz) Take Apart Hinges with Bezel Brace4. From the right side of the bezel, slide out the left hinge with bezel brace

PowerBook G4 (12-inch 1.5 GHz) Take Apart - 139 Hinges with Bezel BraceIdentifying the Replacement HingesBefore ordering a replacement hinge with beze

140 - PowerBook G4 (12-inch 1.5 GHz) Take Apart Hinges with Bezel Brace2. If the label on the LCD panel shows Samsung as the manufacturer, order repla

PowerBook G4 (12-inch 1.5 GHz) Take Apart - 141 Hinges with Bezel Brace3. If the label on the LCD panel shows IDTech as the manufacturer, order replac

142 - PowerBook G4 (12-inch 1.5 GHz) Take Apart Display BezelDisplay BezelPart LocationPreliminary StepsBefore you begin, remove the following:• Batte

PowerBook G4 (12-inch 1.5 GHz) Take Apart - 143 Display Bezel• Display module• Display housing• LCD panel• Inverter (and antenna cable assembly)Proced

© 2005 Apple Computer, Inc. All rights reserved.  Service SourceTroubleshooting PowerBook G4 (12-inch 1.5 GHz)

PowerBook G4 (12" 1.5 GHz) Troubleshooting - 1 Symptom Charts Symptom Charts How to Use the Symptom Charts The Symptom Charts included in this

2 - PowerBook G4 (12" 1.5 GHz) TroubleshootingAirPort Extreme Card Symptom Charts AirPort Extreme Card AirPort Extreme Card not recognized 1. U

PowerBook G4 (12" 1.5 GHz) Troubleshooting - 3 Battery Symptom Charts Battery Battery won't charge 1. Make sure that power adapter connect

PowerBook G4 (12-inch 1.5 GHz) Take Apart - 13 AirPort Extreme Card AirPort Extreme Card Tools This procedure requires a black stick (or other nonc

4 - PowerBook G4 (12" 1.5 GHz) TroubleshootingBattery Symptom Charts4. The customer may be heavily loading the battery. Check the system setup

PowerBook G4 (12" 1.5 GHz) Troubleshooting - 5 Bluetooth Symptom Charts Bluetooth Bluetooth not recognized when ADC monitor connected 1. Discon

6 - PowerBook G4 (12" 1.5 GHz) TroubleshootingError Beeps Symptom Charts Error Beeps The computer automatically performs a power-on self test w

PowerBook G4 (12" 1.5 GHz) Troubleshooting - 7 Hard Drive Symptom Charts Hard Drive Hard drive will not initialize 1. Boot from Software and Re

8 - PowerBook G4 (12" 1.5 GHz) TroubleshootingKeyboard Symptom Charts Keyboard No response from any key on keyboard 1. Remove any connected per

PowerBook G4 (12" 1.5 GHz) Troubleshooting - 9 Modem Symptom Charts Modem No modem dial tone 1. Check that the correct modem is selected in the

10 - PowerBook G4 (12" 1.5 GHz) TroubleshootingOptical Drive Symptom Charts Optical Drive The optical drive does not accept CD or DVD disc (mec

PowerBook G4 (12" 1.5 GHz) Troubleshooting - 11 Ports Symptom Charts Ports FireWire or USB port not recognizing devices; or device not recogniz

12 - PowerBook G4 (12" 1.5 GHz) TroubleshootingSound Symptom Charts Sound Distorted sound from speakers 1. Verify sound is correct with externa

PowerBook G4 (12" 1.5 GHz) Troubleshooting - 13 Startup Symptom Charts Startup The computer will not power on 1. Make sure that power adapter c

14 - PowerBook G4 (12-inch 1.5 GHz) Take Apart AirPort Extreme Card Procedure Warning: If the computer has been recently operating, allow it to co

14 - PowerBook G4 (12" 1.5 GHz) TroubleshootingStartup Symptom Charts3. Reinstall the computer’s system software. The computer shuts down or sl

PowerBook G4 (12" 1.5 GHz) Troubleshooting - 15 Display Symptom Charts Display No display, or dim display, but computer appears to operate corr

16 - PowerBook G4 (12" 1.5 GHz) TroubleshootingDisplay Symptom Chartstransistors on an LCD. Therefore, a certain number of subpixel anomalies i

PowerBook G4 (12" 1.5 GHz) Troubleshooting - 17 Video (S-Video and Composite adapter) Symptom Video (S-Video and Composite adapter) No video o

18 - PowerBook G4 (12" 1.5 GHz) TroubleshootingTrackpad Symptom Charts Trackpad Trackpad works intermittently The trackpad operation can be aff

PowerBook G4 (12" 1.5 GHz) Troubleshooting - 19 Trackpad Symptom Charts Warning: Make sure you do not hold down the "fn" key when res

20 - PowerBook G4 (12" 1.5 GHz) TroubleshootingSudden Motion Sensor (SMS) Symptom ChartsSudden Motion Sensor (SMS)System Profiler shows Sudden Mot

PowerBook G4 (12" 1.5 GHz) Troubleshooting - 21Sudden Motion Sensor (SMS) Symptom Chartsdisables the sensor).5. Type your administrator password

22 - PowerBook G4 (12" 1.5 GHz) TroubleshootingMisc. Symptoms Symptom ChartsMisc. SymptomsThe computer runs with battery, but not with the power

PowerBook G4 (12" 1.5 GHz) Troubleshooting - 23Misc. Symptoms Symptom Charts3. In the Sound preference pane select the Output tab. Make sure the

PowerBook G4 (12-inch 1.5 GHz) Take Apart - 15 AirPort Extreme Card3. Pry up the two card stoppers. Replacement Note: The card stoppers are held i

24 - PowerBook G4 (12" 1.5 GHz) TroubleshootingMisc. Symptoms Block DiagramBlock DiagramPCI busI2SI2S12 MbpsUSB12 MbpsUSBMini-DVIconnectorEtherne

© 2005 Apple Computer, Inc. All rights reserved.  Service SourceViews PowerBook G4 (12-inch 1.5 GHz)

PowerBook G4 (12-inch 1.5 GHz) Views - 1 Main Exploded View Keyboard Kit076-0982Top Case922-6651Optical Drive Bracket, Top922-6414

2 - PowerBook G4 (12-inch 1.5 GHz) Views Display Exploded ViewRear Display Housing922-6243Inverter Board922-6421LCD Panel661-3459LVDS Cable922-5720L

PowerBook G4 (12-inch 1.5 GHz) Views - 3 PowerBook G4 (12-inch 1.5 GHz) Screw Locator - 1 of 12 Note: Screw lengths are approximate. Memory Do

4 - PowerBook G4 (12-inch 1.5 GHz) Views PowerBook G4 (12-inch 1.5 GHz) Screw Locator - 2 of 12 Note: Screw lengths are approximate. 2mm2mm 2mm5

PowerBook G4 (12-inch 1.5 GHz) Views - 5 PowerBook G4 (12-inch 1.5 GHz) Screw Locator - 3 of 12 Note: Screw lengths are approximate. 5mm 5mm51

6 - PowerBook G4 (12-inch 1.5 GHz) Views PowerBook G4 (12-inch 1.5 GHz) Screw Locator - 4 of 12 Note: Screw lengths are approximate. 4.5mm4.5mm4

PowerBook G4 (12-inch 1.5 GHz) Views - 7 PowerBook G4 (12-inch 1.5 GHz) Screw Locator - 5 of 12 Note: Screw lengths are approximate. 510051005

8 - PowerBook G4 (12-inch 1.5 GHz) Views PowerBook G4 (12-inch 1.5 GHz) Screw Locator - 6 of 12 Note: Screw lengths are approximate. 51004.5mm(1

16 - PowerBook G4 (12-inch 1.5 GHz) Take Apart AirPort Extreme Card Note: The following image shows the relative size of the two card stoppers: 4.

PowerBook G4 (12-inch 1.5 GHz) Views - 9 PowerBook G4 (12-inch 1.5 GHz) Screw Locator - 7 of 12 Note: Screw lengths are approximate. (1) 6mm P

10 - PowerBook G4 (12-inch 1.5 GHz) Views PowerBook G4 (12-inch 1.5 GHz) Screw Locator - 8 of 12 Note: Screw lengths are approximate. Logic Boar

PowerBook G4 (12-inch 1.5 GHz) Views - 11 PowerBook G4 (12-inch 1.5 GHz) Screw Locator - 9 of 12 Note: Screw lengths are approximate. 5100Opti

12 - PowerBook G4 (12-inch 1.5 GHz) Views PowerBook G4 (12-inch 1.5 GHz) Screw Locator - 10 of 12 Note: Screw lengths are approximate. Display M

PowerBook G4 (12-inch 1.5 GHz) Views - 13 PowerBook G4 (12-inch 1.5 GHz) Screw Locator - 11 of 12 Note: Screw lengths are approximate. LCD Pan

14 - PowerBook G4 (12-inch 1.5 GHz) Views PowerBook G4 (12-inch 1.5 GHz) Screw Locator - 12 of 12 Note: Screw lengths are approximate. (3) 3.5mm

PowerBook G4 (12-inch 1.5 GHz) Views - 15 Screw Reference Chart - 1 of 2Memory Door922-5912076-1032922-5918076-1030922-5910922-5914 922-5917922-59

16 - PowerBook G4 (12-inch 1.5 GHz) Views Screw Reference Chart - 2 of 2DC-to-DC Board922-5908 922-5916922-5909 076-1031922-5922922-5928922-5925Heat

PowerBook G4 (12-inch 1.5 GHz) Take Apart - 17 AirPort Extreme Card5. Gently disconnect the AirPort antenna cable.6. Use the pull tab to pull out t

© 2005 Apple Computer, Inc. All rights reserved.  Service SourceTake Apart PowerBook G4 (12-inch 1.5 GHz)

18 - PowerBook G4 (12-inch 1.5 GHz) Take Apart AirPort Extreme Card7. Slide the replacement AirPort Extreme Card with the serial number facing up in

PowerBook G4 (12-inch 1.5 GHz) Take Apart - 19 AirPort Extreme Card8. Connect the end of the antenna cable to the card.9. Loop the clear plastic ta

20 - PowerBook G4 (12-inch 1.5 GHz) Take Apart AirPort Extreme Card10. Make sure the card is fully inserted, as shown in the second image.11. Paste

PowerBook G4 (12-inch 1.5 GHz) Take Apart - 21 Keyboard Keyboard Tools This procedure requires the following tools:• #0 Phillips screwdriver • Blac

22 - PowerBook G4 (12-inch 1.5 GHz) Take Apart KeyboardProcedure1. With the computer upside down on a soft cloth, remove the single screw from the mem

PowerBook G4 (12-inch 1.5 GHz) Take Apart - 23 Keyboard2. Open the computer, and locate the following keys:•F1•F2• F11• F123. Important: Using a blac

24 - PowerBook G4 (12-inch 1.5 GHz) Take Apart Keyboard4. Use a black stick or flat-blade screwdriver to lift off the two round stickers that are locat

PowerBook G4 (12-inch 1.5 GHz) Take Apart - 25 Keyboard6. Lift up the top two corners of the keyboard, and move the keyboard toward the display to cle

26 - PowerBook G4 (12-inch 1.5 GHz) Take Apart Keyboard7. Flip the keyboard over and lay the keyboard flat on the trackpad.8. Peel up the keyboard cabl

PowerBook G4 (12-inch 1.5 GHz) Take Apart - 27 Keyboard9. Install the replacement keyboard. Make sure you• Set the tabs at the bottom of the keyboard

PowerBook G4 (12-inch 1.5 GHz) Take Apart - 1 General Information General Information Overview Some of the key features that distinguish this compu

28 - PowerBook G4 (12-inch 1.5 GHz) Take Apart Top CaseTop CaseToolsThis procedure requires the following tools:• #0 Phillips screwdriver • Black stic

PowerBook G4 (12-inch 1.5 GHz) Take Apart - 29 Top CaseProcedure1. Warning: The screws in the battery bay require holding the screwdriver at an angle.

30 - PowerBook G4 (12-inch 1.5 GHz) Take Apart Top Case3. Open the display, and with the computer upright, remove the following 14 screws from the top

PowerBook G4 (12-inch 1.5 GHz) Take Apart - 31 Top Case4. Remove two screws from the front right side of the top case.Note: The shape of the two 3-mm

32 - PowerBook G4 (12-inch 1.5 GHz) Take Apart Top Case6. Place the computer on its side, and loosen but do not remove the half of the top case that i

PowerBook G4 (12-inch 1.5 GHz) Take Apart - 33 Top Case7. At the battery bay, note the two plastic latches that hold the top case to the bottom case.

34 - PowerBook G4 (12-inch 1.5 GHz) Take Apart Top Case9. Use a black stick running along the front edge of the top case to loosen—but not remove—the

PowerBook G4 (12-inch 1.5 GHz) Take Apart - 35 Top Case11. Raise the top case up slightly from the bottom case until you can access the cables that ar

36 - PowerBook G4 (12-inch 1.5 GHz) Take Apart Top Case14. The top case includes the following:• Microphone cable• Trackpad and trackpad cable• Power

PowerBook G4 (12-inch 1.5 GHz) Take Apart - 37 Top Case15. Before installing a replacement top case, check the cable routing of the power button cable

2 - PowerBook G4 (12-inch 1.5 GHz) Take Apart General Information• Scrolling Trackpad—A new trackpad feature allows faster navigation in windows wit

38 - PowerBook G4 (12-inch 1.5 GHz) Take Apart Hall Effect Sensor Board and CableHall Effect Sensor Board and CableToolsThis procedure requires the fo

PowerBook G4 (12-inch 1.5 GHz) Take Apart - 39 Hall Effect Sensor Board and CableProcedure1. Remove the screw from the hall effect sensor board. Warni

40 - PowerBook G4 (12-inch 1.5 GHz) Take Apart Hall Effect Sensor Board and CableReplacement Note: Make sure the cable is routed correctly in the cabl

PowerBook G4 (12-inch 1.5 GHz) Take Apart - 41 Hard DriveHard DriveToolsThis procedure requires the following tools:• #0 Phillips screwdriver • Black

42 - PowerBook G4 (12-inch 1.5 GHz) Take Apart Hard Drive• Keyboard• Top caseProcedure1. Disconnect the hard drive flex cable.2. Remove two screws from

PowerBook G4 (12-inch 1.5 GHz) Take Apart - 43 Hard Drive3. Use the flex cable to lift up the hard drive, bracket, and cable from the computer housing.

44 - PowerBook G4 (12-inch 1.5 GHz) Take Apart Hard Drive5. Peel up the flex cable from its double-sided tape. 6. Use a black stick to pry the flex cabl

PowerBook G4 (12-inch 1.5 GHz) Take Apart - 45 ModemModemToolsThis procedure requires the following tools:• #0 Phillips screwdriver • Black stick (or

46 - PowerBook G4 (12-inch 1.5 GHz) Take Apart ModemProcedure1. Warning: When removing the modem, be careful not to strain the modem cable or shield.

PowerBook G4 (12-inch 1.5 GHz) Take Apart - 47 Modem4. Tilt up the modem board and shield.5. Disconnect the modem cable.

PowerBook G4 (12-inch 1.5 GHz) Take Apart - 3 General Information Model Differences The external housing of the PowerBook G4 (12-inch 1.5 GHz) mode

48 - PowerBook G4 (12-inch 1.5 GHz) Take Apart Modem6. Install the replacement modem, and reassemble and test the computer.Replacement Caution: When

PowerBook G4 (12-inch 1.5 GHz) Take Apart - 49 DC-to-DC BoardDC-to-DC BoardToolsThis procedure requires the following tools:• #0 Phillips screwdriver

50 - PowerBook G4 (12-inch 1.5 GHz) Take Apart DC-to-DC BoardPreliminary StepsBefore you begin, remove the following:• Battery• Memory door and memory

PowerBook G4 (12-inch 1.5 GHz) Take Apart - 51 DC-to-DC Board2. Remove the screws from the DC-to-DC board.Note: When removing the 4.5-mm long screw, t

52 - PowerBook G4 (12-inch 1.5 GHz) Take Apart DC-to-DC Board4. Place a black stick just under the top edge of the board. Do not lean the black stick

PowerBook G4 (12-inch 1.5 GHz) Take Apart - 53 Heatsink and Fan AssemblyHeatsink and Fan AssemblyToolsThis procedure requires the following tools:• #0

54 - PowerBook G4 (12-inch 1.5 GHz) Take Apart Heatsink and Fan AssemblyProcedure1. Warning: The cone of the subwoofer, located below the heatsink and

PowerBook G4 (12-inch 1.5 GHz) Take Apart - 55 Heatsink and Fan Assembly3. Remove the tape, if provided, that covers the heatsink and secures the cabl

56 - PowerBook G4 (12-inch 1.5 GHz) Take Apart Heatsink and Fan Assembly7. Holding the heatsink plate, begin to lift up the heatsink assembly, being c

PowerBook G4 (12-inch 1.5 GHz) Take Apart - 57 Heatsink and Fan Assembly9. Note the correct routing of the cables when the heatsink is installed..10.

4 - PowerBook G4 (12-inch 1.5 GHz) Take Apart General Information Tools The following tools are recommended for this computer:• Coin• ESD wriststrap

58 - PowerBook G4 (12-inch 1.5 GHz) Take Apart Inner FrameInner FrameToolsThis procedure requires the following tools:• #0 Phillips screwdriver • Blac

PowerBook G4 (12-inch 1.5 GHz) Take Apart - 59 Inner Frame• Hard drive• Modem• DC-to-DC board• HeatsinkProcedure1. Note the cable routing before disco

60 - PowerBook G4 (12-inch 1.5 GHz) Take Apart Inner Frame4. Warning: Be careful not to strain the LVDS cable.Near the I/O ports, • disconnect the LVD

PowerBook G4 (12-inch 1.5 GHz) Take Apart - 61 Inner Frame6. Near the fan, disconnect the two connectors shown• four-pin connector• two-pin connectorR

62 - PowerBook G4 (12-inch 1.5 GHz) Take Apart Inner Frame7. Peel up any remaining tape, and remove the screws from the frame.

PowerBook G4 (12-inch 1.5 GHz) Take Apart - 63 Inner Frame8. Important: Check the appearance of the RJ11 modem board. Two RJ11 assemblies are possible

64 - PowerBook G4 (12-inch 1.5 GHz) Take Apart Inner Frame9. Remove the two screws from the RJ11 board.10. Tilt up the RJ11 board, and remove the 6-mm

PowerBook G4 (12-inch 1.5 GHz) Take Apart - 65 Inner Frame11. Disconnect the optical drive flex cable.12. Pull up the hall effect sensor cable from a f

66 - PowerBook G4 (12-inch 1.5 GHz) Take Apart Inner Frame13. Lift up the frame, being careful where it catches on the optical drive flex cable and oth

PowerBook G4 (12-inch 1.5 GHz) Take Apart - 67 Inner FrameReplacement Note: When installing the replacement frame, note the routing of the cables thro

PowerBook G4 (12-inch 1.5 GHz) Take Apart - 5 Battery Battery Tools This procedure requires the following tools:• Soft cloth• Coin Part LocationPre

68 - PowerBook G4 (12-inch 1.5 GHz) Take Apart Inner Frame14. Remove the tape that secures the RJ11 modem board and cable to both sides of the frame.

PowerBook G4 (12-inch 1.5 GHz) Take Apart - 69 Inner Frame15. Remove the screws that secure the EMI strip to the frame. Transfer the EMI strip to the

70 - PowerBook G4 (12-inch 1.5 GHz) Take Apart RJ11 Modem Board and CableRJ11 Modem Board and CableToolsThis procedure requires the following tools:•

PowerBook G4 (12-inch 1.5 GHz) Take Apart - 71 RJ11 Modem Board and Cable• Hall effect sensor board and cable• Hard drive• Modem• DC-to-DC board• Heat

72 - PowerBook G4 (12-inch 1.5 GHz) Take Apart RJ11 Modem Board and Cable2. Remove the RJ11 board and cable from the frame. The board includes the att

PowerBook G4 (12-inch 1.5 GHz) Take Apart - 73 RJ11 Modem Board and CableReplacement Note: Make sure the RJ11 port and cable (with ferrite bead) are

74 - PowerBook G4 (12-inch 1.5 GHz) Take Apart RJ11 Modem Board and Cable (with Filter Board)RJ11 Modem Board and Cable (with Filter Board)ToolsThis p

PowerBook G4 (12-inch 1.5 GHz) Take Apart - 75 RJ11 Modem Board and Cable (with Filter Board)• Hard drive• Modem• DC-to-DC board• Heatsink with fan• I

76 - PowerBook G4 (12-inch 1.5 GHz) Take Apart RJ11 Modem Board and Cable (with Filter Board)2. Remove the EMI shield from the RJ11 board. The board i

PowerBook G4 (12-inch 1.5 GHz) Take Apart - 77 FanFanToolsThis procedure requires the following tools:• #0 Phillips screwdriver • Black stick (or othe

6 - PowerBook G4 (12-inch 1.5 GHz) Take Apart Battery Procedure Warning: If the computer has been recently operating, allow it to cool down before

78 - PowerBook G4 (12-inch 1.5 GHz) Take Apart Fan• Modem• DC-to-DC board• Heatsink• Inner FrameProcedure1. With the inner frame removed from the comp

PowerBook G4 (12-inch 1.5 GHz) Take Apart - 79 Sleep LightSleep LightToolsThis procedure requires the following tools:• #0 Phillips screwdriver Part L

80 - PowerBook G4 (12-inch 1.5 GHz) Take Apart Sleep LightProcedure1. Remove the screw from the sleep light board.2. Remove the board from the bottom

PowerBook G4 (12-inch 1.5 GHz) Take Apart - 81 Logic BoardLogic BoardToolsThis procedure requires the following tools:• #0 Phillips screwdriver • Blac

82 - PowerBook G4 (12-inch 1.5 GHz) Take Apart Logic Board• Hall effect sensor board and cable• Hard drive• Modem• DC-to-DC board• Heatsink with fan•

PowerBook G4 (12-inch 1.5 GHz) Take Apart - 83 Logic Board2. Holding the edges of the board tilt up the logic board.3. While holding the board vertica

84 - PowerBook G4 (12-inch 1.5 GHz) Take Apart Logic Board4. Remove the side EMI shield from the I/O ports.Warning: When installing the EMI shield ove

PowerBook G4 (12-inch 1.5 GHz) Take Apart - 85 Logic Board5. Install the replacement logic board, and reassemble and test the computer.Replacement Not

86 - PowerBook G4 (12-inch 1.5 GHz) Take Apart DC-In BoardDC-In BoardThis procedure requires the following tools:• #0 Phillips screwdriver • Black sti

PowerBook G4 (12-inch 1.5 GHz) Take Apart - 87 DC-In Board• Heatsink with fan• Inner frame (with RJ11 board attached)• Logic boardProcedure1. Hold the

PowerBook G4 (12-inch 1.5 GHz) Take Apart - 7 Feet Feet Tools This procedure requires the following tools:• Foot kit• Tweezers or needlenose pliers

88 - PowerBook G4 (12-inch 1.5 GHz) Take Apart DC-In Board4. Remove the round port liner.5. Install the replacement DC-in board, and reassemble and te

PowerBook G4 (12-inch 1.5 GHz) Take Apart - 89 Optical DriveOptical DriveToolsThis procedure requires the following tools:• #0 Phillips screwdriver •

90 - PowerBook G4 (12-inch 1.5 GHz) Take Apart Optical Drive• Top case• Hall effect sensor board and cable• Hard drive• Modem• DC-to-DC board• Heatsin

PowerBook G4 (12-inch 1.5 GHz) Take Apart - 91 Optical Drive2. Use a black stick to remove the shoulder bracket.3. Remove the two screws from the slot

92 - PowerBook G4 (12-inch 1.5 GHz) Take Apart Optical Drive4. Tilt up the optical drive and remove it from the computer.

PowerBook G4 (12-inch 1.5 GHz) Take Apart - 93 Optical Drive5. Turn over the drive and remove the three screws from the L-shaped EMI bracket on the bo

94 - PowerBook G4 (12-inch 1.5 GHz) Take Apart Optical Drive7. Remove the bottom L-shaped EMI bracket.

PowerBook G4 (12-inch 1.5 GHz) Take Apart - 95 Optical Drive8. Remove the screws from the L-shaped EMI bracket on the top of the drive. 9. Lift off th

96 - PowerBook G4 (12-inch 1.5 GHz) Take Apart Optical Drive11. Install the replacement optical drive, and reassemble and test the computer.Note: The

PowerBook G4 (12-inch 1.5 GHz) Take Apart - 97 How to Remove a Stuck Disc from the Slot-Load How to Remove a Stuck Disc from the Slot-Load DriveThe fo