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Apple mac g4 User's Manual

1. OG OHG26 6000 5 mm Hex Screw magnetic DC In Board 1 Inverter Board 2 Modem 2 DC In Board 1 Secondary Fan DC In Board 1 Rib Frame and Heat Exchanger 5 Modem Filter Board 1 Logic Board 1 AirPort Card Carrier 3 Hard Drive 4 Logic Board 1 Logic Board 1 PC Card Cage 1 Rib Frame and Heat Exchanger 4 Logic Board 5 PC Card Cage 1 Bottom Case 7 Hard Drive Optical Drive Hold Down Bracket 2 Rib Frame and Heat Exchanger 3 Rib Frame and Heat Exchanger Alignment Bracket 1 Rib Frame and Heat Exchanger 1 Rib Frame and Heat Exchanger 3 PC Card Cage 1 PC Card Cage 1 2002 Apple Computer Inc All rights reserved PowerBook G4 1GHz 867MHz Screw Locator Bottom Case F Seven identical Torx T8 8 mm long Hard Drive and Optical Drive Hold Down Bracket O Two identical Torx T8 9 3 mm long Hard Drive ja Four identical black Torx T8 4 9 mm long Modem Filter Board isa One Torx T8 4 5 mm long 2002 Apple Computer Inc All rights reserved Secondary Fan a One Torx T6 5 12 mm long DC In Board a One Torx T6 4 15 mm long a A One Torx T6 5 12 mm long Inverter Board fe Two Torx T6 4 15 mm long Modem Ga Two Torx T6 4 15 mm long PowerBook G4 1GHz 867MHz Screw Locator 2 Logic Board One Torx T8 4 5 mm long A
2. B Five identical Torx T8 6 4 mm long bronze Three Torx T8 4 5 mm long is DES anni v ne Torx T8 5 mm long O a O ne Torx T8 5 2 mm long i PowerBook G4 1GHz 867MHz Screw Locator 3 PC Card Cage O a A One Torx T8 5 2 mm long F B One Torx T8 6 5 mm long C One 4 mm Hex Nut One 5 mm Hex Screw magnetic accessed from keyboard opening Rib Frame and Heat Exchanger f Five identical Torx T8 4 4 mm long aaa 8e Four identical Torx T8 Pi 5 2 mm long i OR A One Torx T8 16 75 mm long b B One Torx T8 16 mm long PowerBook G4 1GHz 867MHz Screw Locator 4 Rib Frame and Heat Exchanger continued Q i Two identical Torx T8 16 75 mm long Usa Three identical Black Torx T8 9 5 mm long aaa A One Chrome Torx T8 10 mm long PowerBook G4 1GHz 867MHz Screw Locator 5 PowerBook G4 1GHz 867MHz Exploded View Hard Drive Screw 922 4502 Hard Drive Rubber Stopper nn Ao Hard Drive Flex Cable 922 4378 AirPort Card 661 2549 AirPort Card Carrier Logic Board 661 1799 867 MHz 661 1800 1 GHz RJ 11 Modem Port 922 5351 Primary Fan Assembly 922 5459 Thermal Transfer Material 922 4626 Battery Eject Switch Assembly 922 4634 Battery Connector Assembly 922 5046 Modem Cab
3. Important Make sure the bottom case is installed correctly If the slot load area is slightly bowed carefully pull the bottom edge of the slot until it clicks into place and becomes flush with the bottom case me 7 Ts a f Important Check the operation of the optical drive If the drive is installed incorrectly the optical drive mechanism might not spin correctly and will result in mechanical noise when playing a disc PowerBook G4 1GHz 867MHz Modem 5 PowerBook G4 1GHz 867MHz DVD ROM CD RW Combo DVD R CD RW Apple SuperDrive Optical Drive Replacement Instructions The following instructions explain how to replace the combination DVD ROM CD RW optical drive in the PowerBook G4 1GHz 867MHz computer Tools Black stick nylon probe tool 922 5065 or other ESD safe non marring tool Torx T6 screwdriver Torx T8 screwdriver Preliminary Steps Before you begin remove the following Battery Keyboard Bottom case remove in step 2 2002 Apple Computer Inc All rights reserved Procedure 1 With the display open and the keyboard removed locate and remove the EMI clip that secures the optical drive s flex cable to the rib frame Set it aside for installation of the replacement drive Replacement Note When installing the replacement drive ensure that the EMI clip captures the tab on the flex cable and holds it against the rib frame 2 Remove the bottom case Impor
4. Service Source PowerBook G4 1GHz 867MHz 5 December 2003 2003 Apple Computer Inc All rights reserved Service Source Take Apart PowerBook G4 1GHz 867MHz 2002 Apple Computer Inc All rights reserved PowerBook G4 1GHz 867MHz Keyboard Replacement Instructions Follow the instructions in this sheet carefully Failure to follow these instructions could damage your equipment and void its warranty Note Written and video instructions covering customer installable parts are available at http Awww info apple com installparts Warning During this procedure keep small parts away from children Tools Required The only tool required for this procedure is a jeweler s flat blade screwdriver if keyboard is locked Removing the Installed Keyboard Warning Always shut down your 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 your computer on a clean flat surface 2 Shut down your computer and wait thirty minutes before continuing 3 Disconnect the power cord and any other cables connected to the computer 4 Close the computer and turn it over 5 Slide the battery latch Figure 1A to the right to remove the battery Figure 1B Removing the battery will prevent you from accidentally turning on the computer
5. 8 If the system crashes or hangs in a specific application replace the application Mac OS X Verify the application is compatible with OS X Clear parameter RAM Hold down Command Option P R during startup until you hear a second startup chime Perform a clean install of system software with the software install and restore disc that came with the computer Mac OS 9 Start up with extensions off to determine if there are system extension or control panel problems Mac OS X Relaunch Finder Mac OS X Run Disk Utility Mac OS 9 Run Disk First Aid Run Apple Hardware Test in loop mode Control L for an extended time to test the memory If the test finds bad memory replace the DIMMs one at a time and test until all bad DIMMs are replaced with known good modules Replace the logic board Startup Symptom Charts PowerBook G4 1GHz 867MHz Troubleshooting 4 At startup a dialog box comes up stating kernel panic in Mac OS X or Built in memory test has detected an error in Mac OS 9 1 If there are two RAM cards installed in the expansion slots remove top card and restart If symptom repeats replace bottom card with known good RAM card If symptom does not repeat replace top RAM card with known good RAM card and restart Error Beeps The computer automatically performs a power on self test when it is turned on after being fully shut down not a restart This section describes what to do if beeps are hea
6. Removing the battery will prevent you from accidentally turning on the computer Warning Removing the battery before shutting down your computer may result in data loss Figure 2 PowerBook G4 1GHz 867MHz Hard Drive 2 7 Use a Torx T8 screwdriver to remove the seven bottom case screws in the order shown Figure 3 Important To avoid damaging the case be careful that the screwdriver tip does not slip out of the screw head during removal Figure 3 Note In the following two steps you will disengage the left and right sides of the bottom case and then pivot it forward to remove 8 Carefully slide the bottom case away from you Figure 4 Important Do not push on the rubber feet of the bottom case Figure 4 PowerBook G4 1GHz 867MHz Hard Drive 3 9 Pivot the bottom case up as shown Figure 5 Figure 5 10 Touch the computer s inside framework a dull gray conductive composite material to discharge any static electricity as shown Figure 6 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 your installation and closed the computer Figure 6 PowerBook G4 1GHz 867MHz Hard Drive 4 Removing the Installed Hard Drive 1 With your
7. Warning Removing the battery before shutting down your computer may result in data loss Figure 1 6 Turn over the computer 7 Raise the display so you can access the keyboard 8 Make sure the keyboard locking screw located in the small plastic tab to the left of the Num Lock key Figure 2 is not in the locked position Your PowerBook 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 Figure 2 EET Re JEEP ADIT YRS PowerBook G4 1GHz 867MHz Keyboard 2 9 Release the keyboard by pulling down on the keyboard release tabs located to the left of the F1 and F12 keys Figure 3 then lift the top portion of the keyboard up slightly and toward the display Figure 3 Eh LE SESE LR SS 10 Flip the keyboard over and lay it on the palm rests and trackpad Figure 4 Figure 4 PowerBook G4 1GHz 867MHz Keyboard 3 11 Touch the computer s inside framework a dull gray conductive composite material to discharge any static electricity as shown Figure 5 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 d
8. 5 Reassemble and test the computer Important Make sure the bottom case is installed correctly If the slot load area is slightly bowed carefully pull the bottom edge of the slot until it clicks into place and becomes flush with the bottom case Important Check the operation of the optical drive If the drive is installed incorrectly the optical drive mechanism might not spin correctly and will result in mechanical noise when playing a disc PowerBook G4 1GHz 867MHz Inverter Board 3 PowerBook G4 1GHz 867MHz Modem Replacement Instructions The following instructions explain how to replace the modem in the PowerBook G4 1GHz 867MHz computer Tools Black stick nylon probe tool 922 5065 or other ESD safe non marring tool Torx T6 screwdriver Torx T8 screwdriver Preliminary Steps Before you begin remove the following Battery Keyboard Bottom case remove in step 2 2002 Apple Computer Inc All rights reserved Procedure 1 With the display open and the keyboard removed locate and remove the EMI clip that secures the optical drive s flex cable to the rib frame Side until reassembling the computer Replacement Note When reassembling the computer ensure that the EMI clip captures the tab on the flex cable and holds it against the rib frame 2 Remove the bottom case Important With the bottom case removed be careful if turning over the computer Some components could become loose
9. If using Apple Remote Access select Ignore Dial Tone in the Modem control panel If the modem connects with this settings selected try another phone line If using a terminal or communications program enter atx1 to disable tone detection To reset the modem back to the factory settings enter atz Check RJ 11 wires to modem filter board Verify modem wire s 2 pin connectors are plugged into modem and modem filter board correctly 10 Check modem wire If damaged replace rib frame and modem cable assembly 11 Replace modem filter board 12 Replace modem Modem does not respond gets dial tone 1 2 Check software Replace modem Optical Drive The optical drive does not accept CD or DVD disc mechanical failure 1 2 3 4 Verify disc is not warped and is a 12 cm circular disc Verify disc is pushed almost all the way into the slot Check the optical drive flex cable Replace optical drive Modem Symptom Charts PowerBook G4 1GHz 867MHz Troubleshooting 11 The disc icon does not show up on desktop or a dialog box appears to initialize disc when inserting a read only disc 1 Verify the correct type of disc is being used 2 Note Some brands of 24x or 32x CD R media may not work with the SuperDrive Try a different brand or speed of CD R disc Use Software Update control panel to update firmware Try cleaning the disc If it is dirty or scratched it may not mount Try a different disc
10. carefully flip the PowerBook over and lay it flat fully on the table Make sure the display hangs over the edge of the table and rests lightly on your lap Figure 1B Important Do not open the display farther than the angle shown Figure 1 6 Remove the battery by sliding the battery latch to the left Make sure to return the latch fully to the right Figure 2 Removing the battery will prevent you from accidentally turning on the computer Warning Removing the battery before shutting down your computer may result in data loss Figure 2 PowerBook G4 1GHz 867MHz Bottom Case 2 7 Use a Torx T8 screwdriver to remove the seven bottom case screws in the order shown Figure 3 Important To avoid damaging the case be careful that the screwdriver tip does not slip out of the screw head during removal Figure 3 Note In the following two steps you will disengage the left and right sides of the bottom case and then pivot it forward to remove 8 Carefully slide the bottom case away from you Figure 4 Important Do not push on the rubber feet of the bottom case Figure 4 PowerBook G4 1GHz 867MHz Bottom Case 3 9 Pivot the bottom case up as shown Figure 5 Figure 5 Installing the Replacement Bottom Case 1 To attach the new bottom case align the notches on the right and left sides of the case then press down slightly to secure the case Check the alignment of the seven screw ho
11. Figure 10A and rubber stoppers Figure 10B are in place on the sides of the replacement drive 2 Install the Mylar sheath Figure 10C so that it covers the bottom and left and right sides of the drive The sheath is directional and must be installed in the direction that does not extend beyond the front of the drive 3 Carefully install the hard drive cable if needed Figure 10D The cable connector is keyed to fit only one way Figure 10 4 Insert the left side of the drive first then the right Use a screwdriver through the frame holes on the left side to help align the stoppers as necessary Figure 11 Figure 11 PowerBook G4 1GHz 867MHz Hard Drive 7 5 Replace the hard drive mounting bracket and secure with the screws Figure 12 Important Check that the rubber stoppers and Mylar sheath are not pinched by the bracket Figure 12 6 Connect the hard drive cable connector Figure 13 to the logic board Figure 13 PowerBook G4 1GHz 867MHz Hard Drive 8 Closing the Computer 1 To attach the bottom case align the notches on the right and left sides of the case then press down slightly to secure the case Check the alignment of the seven screw holes to make sure the bottom case is properly positioned Important Make sure that the seams between the bottom case and the frame are closed Check the outside edges and around the battery well Verify that the alignment tab on the underside o
12. Figure 10B with the AirPort ID numbers and bar code facing up Pull up the insertion end of the AirPort Card connector Figure 10A slightly and slide the card all the way into the connector until it is securely attached Figure 10 PowerBook G4 1GHz 867MHz AirPort Card 6 4 Plug the antenna cable connector Figure 11A into the port on the AirPort Card located just below the plastic tab Figure 11B Make sure the connector is straight before inserting it into the port Note If tape was removed earlier use it to secure the antenna cable to the card 5 Push the AirPort Card down until the antenna cable connector is secured by the small antenna clip Figure 11C Important Route the antenna cable Figure 11D between the edge of the computer and the AirPort Card Verify that the cable is away from the edge of the computer so that it will not be pinched during reassembly and that it does not sag down into the PC card slot area below the AirPort Card Take up any extra cable by tucking it in where shown Figure 11E 6 Fold the plastic tab Figure 11B on the AirPort Card over the top of the card Note The plastic tab must be folded over the card during the installation of the bottom case otherwise you will not be able to securely attach the bottom case to the computer Figure 11 PowerBook G4 1GHz 867MHz AirPort Card 7 Closing the Computer 1 To attach the bottom case align the notches on the right and
13. RAM card is installed in the upper expansion slot if not skip to next step remove it and restart Refer to Memory Card Replacement instructions If symptom does not repeat replace RAM card If symptom repeats replace RAM in lower RAM slot with known good SDRAM SO DIMM RAM card and restart If symptom repeats replace logic board 2 Ifa RAM card is not installed in the upper expansion slot replace RAM in lower RAM slot with known good SDRAM SO DIMM RAM card and restart Refer to Customer Installable Parts Memory Replacement instructions If symptom repeats replace logic board Misc Symptoms Symptom Charts PowerBook G4 1GHz 867MHz Troubleshooting 18 PowerBook G4 1GHz 867MHz Screw Reference Sheet This sheet shows the screws used in the PowerBook G4 1GHz 867MHz computer and indicates the replacement procedure where first removed To see where the screws are located in the computer refer to the PowerBook G4 1GHz 867MHz Screw Locator Torx T6 4 15 mm long Torx T6 5 12 mm long Torx T8 4 4 mm long 00 Torx T8 4 5 mm long Torx T8 black 4 9 mm long Torx T8 5 mm long IT LRLLS PTT wry Y Torx T8 5 2 mm long Torx T8 bronze 6 4 mm long Torx T8 6 5 mm long Torx T8 8 mm long Torx T8 9 3 mm long Torx T8 black 9 5 mm long Torx T8 chrome 10 mm long Torx T8 16 mm long Torx T8 16 75 mm long 4 mm Hex Nut
14. Select Mac OS All in the Extensions Manager control panel and restart Replace optical drive cable oN 0 PF W Replace optical drive PC Card PC Card will not insert into the PC Card slot 1 Make sure the PC Card eject button is in before attempting to insert a PC Card T 4 i 2 Make sure the PC Card is right side up cards are keyed and cannot be inserted upside down Verify the PC Card is not warped or damaged in any way if so replace the card Try a different PC Card Carefully raise the PC Card slot cover and check for a foreign object inside the slot oa F Q Check to see if the AirPort Card antenna wire is protruding up into the PC Card slot opening from below If so open the computer to gain access to the AirPort Card location and reposition the antenna cable so that it does not sag down into the PC Card slot area see AirPort Card Installation Instructions 7 Ifthe slot cover is preventing the card from being inserted replace the top case 8 Replace PC Card Cage PC Card Symptom Charts PowerBook G4 1GHz 867MHz Troubleshooting 12 Ports The FireWire or USB port is not recognizing devices 1 2 o 0 BN 9 Completely shut down then press the power button to start the computer Use Software Update in Mac OS X system preferences or the Software Update control panel in Mac OS 9 to verify that the latest software is installed Use Apple System Profiler to verify t
15. Warning Never turn on your computer unless all of its internal and external parts are in place and it is closed Operating the computer when it is open or missing parts can damage your computer or cause injury PowerBook G4 1GHz 867MHz AirPort Card 9 Apple Computer Inc 2002 Apple Computer Inc All rights reserved This document is protected under U S Copyright Law and International Treaties and no part of this document may be reproduced in any form without written permission from Apple Apple is not responsible for typographical printing or inadvertent errors Apple Computer Inc 1 Infinite Loop Cupertino CA 95014 2084 USA 1 408 996 1010 http Awww apple com Apple the Apple logo and PowerBook are trademarks of Apple Computer Inc registered in the U S and other countries PowerBook G4 1GHz 867MHz AirPort Card 10 PowerBook G4 1GHz 867MHz Hard Drive Replacement Instructions Follow the instructions in this sheet carefully Failure to follow these instructions could damage your equipment and void its warranty Note Written and video instructions covering customer installable parts are available at http Awww info apple com installparts Warning Sharp edges can exist inside your computer and on any parts being removed or installed Use caution to avoid injury During this procedure keep small parts away from children Tools Required Soft towel or cloth larger than the Power
16. and fall out 3 Remove the two T8 screws that secure the hard drive mounting bracket and remove the bracket PowerBook G4 1GHz 867MHz Modem 2 4 Disconnect the inverter board flex cable from the inverter board and logic board 5 Disconnect the optical drive and modem flex cables from the logic board 6 Remove the two T6 screws that secure the modem 7 Lift up the end of the modem slightly and disconnect the 2 pin cable connector PowerBook G4 1GHz 867MHz Modem 3 8 Use a thin tool to lift the optical drive slightly then deroute the modem flex cable 9 If the modem flex cable is not damaged remove it and transfer it to the replacement modem 10 Install the replacement modem Avoid putting pressure on or stressing the modem board during installation 11 To replace the optical drive carefully guide the rubber stoppers on the outer side of the drive past the edge of the computer case Warning To prevent damage to the optical drive handle the drive only by the corners Do not press on the body of the drive Important When the rubber stoppers are inserted push down on all four corners of the drive to verify that the drive is level and secure PowerBook G4 1GHz 867MHz Modem 4 12 Reassemble and test the computer Replacement Note When reinstalling the optical drive ensure that the bulb wire cable is safely within the case edge so that it will not get pinched by the bottom case
17. center new thermal transfer material over the epoxy cap on the microprocessor chip Press it into place Note The thermal material pads break easily Use care when removing the pad from its packaging and when handling to avoid damage Important If you are replacing the heat exchanger verify that it has thermal material already installed on the mating surface to the microprocessor chip If so do not install thermal material to the chip on the logic board Sp 7 EU in mae PE H PowerBook G4 1GHz 867MHz Logic Board 15 19 Remove the new Ethernet label from the area inside the memory card brackets peel off the adhesive protector and attach the label right side up over the Ethernet ID and bar code on the ID plate inside the battery well PowerBook G4 1GHz 867MHz Logic Board 16 20 Install the replacement logic board and reassemble the computer Replacement Note When replacing the logic board the RJ 11 cable and backup battery wire connectors must be routed as shown below so that they do not interfere with the logic board replacement and can later be accessed through the keyboard opening Ensure that optical drive s flex cable has not been pulled out of the EMI clip and that the clip still secures the tab on the flex cable to the rib frame rie Ah T 21 Use appropriate diagnostics to test all ports components and functions of the computer PowerBook G4 1GHz 867MHz Logic Board
18. drive 7 Check the operation of the optical drive If the hard drive is installed incorrectly the optical drive mechanism might not spin correctly and will result in mechanical noise when playing a disc Apple Computer Inc 2002 Apple Computer Inc All rights reserved This document is protected under U S Copyright Law and International Treaties and no part of this document may be reproduced in any form without written permission from Apple Apple is not responsible for typographical printing or inadvertent errors Apple Computer Inc 1 Infinite Loop Cupertino CA 95014 2084 USA 1 408 996 1010 http Awww apple com Apple the Apple logo and PowerBook are trademarks of Apple Computer Inc registered in the U S and other countries PowerBook G4 1GHz 867MHz Hard Drive 11 PowerBook G4 1GHz 867MHz Modem Filter Board Replacement Instructions The following instructions explain how to replace the modem EMI filter board in the PowerBook G4 1GHz 867MHz computer Tools Black stick nylon probe tool 922 5065 or other ESD safe non marring tool Torx T8 screwdriver Preliminary Steps Before you begin remove the following Battery Keyboard 2002 Apple Computer Inc All rights reserved Procedure 1 Disconnect the RJ 11 and the modem wire connectors from the modem filter board 2 Remove the Torx T8 screw PowerBook G4 1GHz 867MHz Modem Filter Board 2 PowerBook G4
19. with a new one before replacing the optical drive Follow the instructions below to replace the felt strip Locate the felt strip that came with the replacement drive Before you remove the old felt strip note the alignment of the felt strip over the slot load area in the inner top case shy a 1 2 1 PowerBook G4 1GHz 867MHz DVD R CD RW amp DVD ROM CD RW Optical Drive 5 Peel off the felt strip from the inner top case If there is any residual adhesive on the top case rub it away De Apply the new felt strip to the slot load area Make sure the new felt strip lies flat Use a black stick to run the length of the slot to make sure that the felt strip does not block any of the slot 12 Install the modem and inverter board onto the replacement optical drive Again handle the optical drive only by the corners Do not press on the body of the drive 13 To install the replacement optical drive first insert the longer stopper on the inner side of the drive into the opening on the rib frame Ensure that the other inner stopper rests securely in its space on the frame Then while holding the inner side of the drive in place carefully guide the rubber stoppers on the outer side of the drive past the edge of the computer case cr iT en eae J b i mr igh LB Il m Important When the rubber stoppers are inserted push down on all four corners of the drive to verify that th
20. 17 PowerBook G4 1GHz 867MHz Primary Fan Replacement Instructions The following instructions explain how to replace the primary fan in the PowerBook G4 1GHz 867MHz computer Tools Black stick nylon probe tool 922 5065 or other ESD safe non marring tool Razor blade Needle nose pliers Preliminary Steps Before you begin remove the following Battery Logic Board 2002 Apple Computer Inc All rights reserved Procedure 1 With the logic board removed from the computer disconnect the fan connector from the logic board 2 Turn over the logic board and locate the cone shaped pin at the right corner of the fan Pull the rubber pin tight Use a razor blade to cut through the rubber pin PowerBook G4 1GHz 867MHz Primary Fan 2 3 Turn over the logic board then tilt up the fan to remove it completely from the logic board Note The fan is secured to the logic board by adhesive Rub off any remaining adhesive from the logic board Do not use solvents Replacement Procedure 1 When installing the replacement fan if the rubber pin is not installed in the fan insert the long end of the pin into the hole at the top of the fan and pull the middle cone through and out so that the flat end remains on the top of the fan Use needle nose pliers to pull the pin through if necessary Make sure that there are no protective covers over the adhesive on the bottom of the fan then align the fan
21. 1GHz 867MHz DC In Board Replacement Instructions The following instructions explain how to replace the DC in board in the PowerBook G4 1GHz 867MHz computer Tools Black stick nylon probe tool 922 5065 or other ESD safe non marring tool Torx T6 screwdriver Preliminary Steps Before you begin remove the following Battery Bottom case 2002 Apple Computer Inc All rights reserved Procedure 1 Disconnect the DC in board cable connector from the logic board 2 Remove the two Torx T6 screws Note The screw holding the fan securing tab may be longer than the other i ae rae 4 res ae mu bed Tt 1 i 4244 Wann ctw 3 Guide the DC in board out of the case PowerBook G4 1GHz 867MHz DC In Board 2 Replacement Note If you performed a procedure that also removed the logic board ensure that the power button cable routes up and left toward the center of the top case under the DC in board Tadad ds Replacement Notes Install the 1 mm plastic screw shim to the replacement DC In board PowerBook G4 1GHz 867MHz DC In Board 3 When replacing the DC in board ensure that the secondary fan is seated properly over the pin on the rib frame and with its securing tab resting on top of the DC In board If one screw was longer replace it through the fan s securing tab Make sure that the DC connector is straight and centered in the port opening With the power ad
22. 3 PowerBook G4 1GHz 867MHz Rib Frame and Heat Exchanger Replacement Instructions The following instructions explain how to replace the rib frame and the heat exchanger in the PowerBook G4 1GHz 867MHz computer Warning Make sure you carefully follow these instructions especially when working near cables that attach to the display module If any of the cables are damaged the entire display module must be replaced Tools Black stick nylon probe tool 922 5065 or other ESD safe non marring tool Torx T8 screwdriver Torx T6 screwdriver Preliminary Steps Before you begin remove the following Battery Keyboard Remove the following in step 2 Bottom case Hard drive Optical drive Logic board PC card cage Secondary fan 2002 Apple Computer Inc All rights reserved Procedure 1 With the display open and the keyboard removed remove the five identical T8 screws from the top case eae oom SE EL i 2 Remove the items listed in Preliminary Steps to be removed in step 2 Important With the bottom case removed be careful when turning over the computer Some components could become loose and fall out 3 Open the I O door and remove the four identical T6 screws PowerBook G4 1GHz 867MHz Rib Frame and Heat Exchanger 2 5 Close the computer to an approximate 45 degree angle and stand it on a soft cloth with the clutch covers facing up 6 Remove the four identical T8 screws from
23. Book Torx T8 screwdriver provided with hard drive Backing Up Your Data Warning Before replacing your hard drive make sure you back up all data on the drive Opening the Computer Warning Always shut down your 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 To access the hard drive you must first remove the battery and bottom case 1 Place your computer on a clean flat surface 2 Shut down your computer and wait thirty minutes before continuing 3 Disconnect the power cord and any other cables connected to the computer 4 Place a towel or soft cloth on a table in front of you Figure 1A The towel or cloth will protect the keyboard and display area of the PowerBook when you flip it over to remove the battery and bottom case Make sure it covers an area large enough for your PowerBook and that it hangs over the edge of the table 5 With the display open at an angle greater than 90 degrees carefully flip the PowerBook over and lay it flat fully on the table Make sure the display hangs over the edge of the table and rests lightly on your lap Figure 1B Important Do not open the display farther than the angle shown Figure 1 6 Remove the battery by sliding the battery latch to the left Make sure to return the latch fully to the right Figure 2
24. For main and backup battery part numbers refer to article 11751 Macintosh Family Batteries and Part Numbers AirPort Card installed and received a 3278 error 1 oa 8 D Use Software Update control panel or see the Apple Software Updates web page to make sure the latest version of AirPort software is installed Boot using Mac OS All extensions setting Reseat AirPort Card Remove and reinstall the AirPort software Replace with known good AirPort Card Replace logic board The microphone is not working 1 Check the Sound control panel and verify that the selection for input is the built in microphone Check the signal level and level meter and adjust the gain Remove Sound Preferences from the Preferences folder and restart Reset PRAM Press the power button then hold down the Option Command P R keys until you hear the startup chime at least one additional time after the initial startup chime Warning Resetting the PRAM will permanently remove a RAM disk if present and all of its contents You will also need to reset the date and time using the Date amp Time control panel Misc Symptoms Symptom Charts PowerBook G4 1GHz 867MHz Troubleshooting 17 5 If no sound as well as microphone is not working verify cable connections 6 Replace top case During startup boot sequence and before reaching Finder the following dialog box appears The built in memory test has detected an error 1 Ifa
25. MHz AirPort Card 2 7 Use a Torx T8 screwdriver to remove the seven bottom case screws in the order shown Figure 3 Important To avoid damaging the case be careful that the screwdriver tip does not slip out of the screw head during removal Figure 3 Note In the following two steps you will disengage the left and right sides of the bottom case and then pivot it forward to remove 8 Carefully slide the bottom case away from you Figure 4 Important Do not push on the rubber feet of the bottom case Figure 4 PowerBook G4 1GHz 867MHz AirPort Card 3 9 Pivot the bottom case up as shown Figure 5 Figure 5 10 Touch the computer s inside framework a dull gray conductive composite material to discharge any static electricity as shown Figure 6 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 your installation and closed the computer Figure 6 PowerBook G4 1GHz 867MHz AirPort Card 4 Removing the Installed AirPort Card 1 Pull back on the antenna clip Figure 7A to release the antenna cable connector Figure 7B and allow the card to rise up slightly 2 Pull the card from the AirPort connector Figure 7D 3 If there is tape secu
26. Replace logic board Misc Symptoms Latch not working Note When the display is being closed a hook in the top of the display housing should be magnetically pulled down to the latch When the latch button is pushed the hook should release and retract into the display housing 1 Verify hook operation by exercising the latch mechanism 2 If the hook does not operate properly replace the display assembly 3 Ifthe latch or latch button does not operate properly replace the top case assembly Misc Symptoms Symptom Charts PowerBook G4 1GHz 867MHz Troubleshooting 16 The Date and Time settings reset all the time Note Resetting the power manager or PRAM resets the date and time 1 2 Do a backup battery test Set the date and time Perform a Shut Down from the Apple menu or Special menu Remove the main battery and disconnect the power adapter for 10 minutes Connect the power adapter insert the battery and power on the computer If the date and time were lost the backup battery may be dead or discharged Remove the main battery from the unit and leave the PowerBook plugged in for at least 5 hours Note If a discharged main battery is installed in the computer recharging the backup battery may take up to 48 hours to completely charge It is okay to use it while it is charging If the date and time still reset replace the backup battery If not the backup battery replace logic board Note
27. akers section of the Sound control panel indicates that an external device is plugged in to the headphone jack or USB ports 1 If there is nothing plugged into the headphone jack or USB ports the picture in the Speakers section of the Sound control panel should be of the internal speakers as shown here SE ci 2 If not and if nothing is plugged in try plugging in headphones or external speakers Restart the computer Remove the device 3 Reset PRAM Press the power button then hold down the Option Command P R keys until you hear the startup chime at least one additional time after the initial startup chime Warning Resetting the PRAM will permanently remove a RAM disk if present and all of its contents You will also need to reset the date and time using the Date amp Time control panel 4 Replace logic board No sound from speaker s 1 Use the Software Update control panel to verify that the latest audio update has been installed 2 Press the F3 key with the fn key pressed and not pressed to verify that mute mode is not enabled 3 Press the F4 or F5 key with the fn key pressed and not pressed to check the volume setting 4 Verify no external speakers or headphones are plugged in 5 Check the speakers tab on the Sound control panel to confirm that the software is correctly seeing that there are no external speakers or headphones connected 6 Shutdown computer and restart Sound Symptom Charts Po
28. apter unplugged the adapter connector may be inserted onto the DC connector to ensure that the connector is centered and straight before securing the DC in board Bend the DC In board cable wires around the edge of the secondary fan as shown so they do not interfere with the fan or air flow PowerBook G4 1GHz 867MHz DC In Board 4 PowerBook G4 1GHz 867MHz Inverter Board Replacement Instructions The following instructions explain how to replace the inverter board in the PowerBook G4 1GHz 867MHz computer Tools Black stick nylon probe tool 922 5065 or other ESD safe non marring tool Torx T6 screwdriver Preliminary Steps Before you begin remove the following Battery Bottom case 2002 Apple Computer Inc All rights reserved Procedure Important With the bottom case removed be careful if turning over the computer Some components could become loose and fall out 1 Disconnect the inverter board flex cable from both the inverter board and logic board 2 Disconnect the bulb wire cable from the inverter board 3 Remove the two T6 screws that secure the inverter board and remove the board Replacement Note When reinstalling the replacement optical drive ensure that the bulb wire cable is safely within the case edge so that it will not get pinched by the bottom case PowerBook G4 1GHz 867MHz Inverter Board 2 4 Install the replacement inverter board onto the optical drive
29. arts are in place and it is closed Operating the computer when it is open or missing parts can damage your computer or cause injury PowerBook G4 1GHz 867MHz Bottom Case 5 Apple Computer Inc 2002 Apple Computer Inc All rights reserved This document is protected under U S Copyright Law and International Treaties and no part of this document may be reproduced in any form without written permission from Apple Apple is not responsible for typographical printing or inadvertent errors Apple Computer Inc 1 Infinite Loop Cupertino CA 95014 2084 USA 1 408 996 1010 http Awww apple com Apple the Apple logo and PowerBook are trademarks of Apple Computer Inc registered in the U S and other countries PowerBook G4 1GHz 867MHz Bottom Case 6 PowerBook G4 1GHz 867MHz AirPort Card Replacement Instructions Follow the instructions in this sheet carefully Failure to follow these instructions could damage your equipment and void its warranty Note Written and video instructions covering customer installable parts are available at http Awww info apple com installparts Warning Sharp edges can exist inside your computer and on any parts being removed or installed Use caution to avoid injury During this procedure keep small parts away from children Tools Required Soft towel or cloth larger than the PowerBook Torx T8 screwdriver Opening the Computer Warning Always shut d
30. battery still will not eject while holding the latch towards the PC Card button use a small plastic flat blade tool to pry the battery around the battery latch 3 Verify proper latch operation by exercising the latch If it does not move smoothly or evenly replace the latch 4 Ifthe latch does exercise correctly verify that the customer is not installing the battery with excessive force AirPort Card Symptom Charts PowerBook G4 1GHz 867MHz Troubleshooting 6 The battery won t charge 1 Remove any externally connected peripherals 2 Try known good power outlet 3 Connect known good PowerBook 1GHz 867MHz power adapter 661 1798 and power cord or plug make sure the DC plug is firmly inserted The DC plug should light up if not replace DC in board If the power adapter light is green turn over the computer and press the battery button The battery lights should glow green and stay on if the power adapter is operating correctly Important The PowerBook 1GHz 867MHz power adapter must be used with the PowerBook 1GHz 867MHz computers The adapters can be identified by 65W in the name and markings and the metal securing stud on the plug connector 4 Try known good battery 5 Turn off the computer With a non metallic tool reset the power manager by pressing the reset button located under the keyboard in the recess just left of the power button Wait five seconds before continuing Press the power button to start
31. cable Warning At the left clutch the wrapped cable connected to the LVDS connector is extremely delicate Do not pull or pinch the LVDS cable Warning Do not bend the heat pipe hi hian 5 TELETIELH we Ts i PowerBook G4 1GHz 867MHz Rib Frame and Heat Exchanger 8 17 If replacing the rib frame but reusing the heat exchanger scrape off the thermal transfer material residue from the area shown Apply new thermal transfer material to the logic board chip Replacement Notes If replacing the heat exchanger transfer the hex nut and screw to the replacement heat exchanger When replacing the heat exchanger check that the audio cable is routed as shown If replacing the rib frame transfer the battery connector to the replacement rib frame if needed Ensure that a modem filter board cable is attached to the replacement rib frame if not transfer the cable The cable should route as shown below Check that the EMI clip for the optical drive s flex cable has been removed for transfer to the replacement rib frame 18 Install the replacement rib frame and or heat exchanger and reassemble and test the computer PowerBook G4 1GHz 867MHz Rib Frame and Heat Exchanger 9 PowerBook G4 1GHz 867MHz Bulb Wire Cable Replacement Instructions The following instructions explain how to replace the bulb wire cable in the PowerBook G4 1GHz 867MHz computer Tools Black stick nylon probe to
32. e drive is level and secure PowerBook G4 1GHz 867MHz DVD R CD RW amp DVD ROM CD RW Optical Drive 6 14 Reassemble and test the computer Important Make sure the bottom case is installed correctly If the slot load area is slightly bowed carefully pull the bottom edge of the slot until it clicks into place and becomes flush with the bottom case Mi f F fa f y f I Important Check the operation of the optical drive If the drive is installed incorrectly the optical drive mechanism might not spin correctly and will result in mechanical noise when playing a disc PowerBook G4 1GHz 867MHz DVD R CD RW amp DVD ROM CD RW Optical Drive 7 PowerBook G4 1GHz 867MHz Backup Battery Replacement Instructions The following instructions explain how to replace the backup battery in the PowerBook G4 1GHz 867MHz computer Tools Black stick nylon probe tool 922 5065 or other ESD safe non marring tool Preliminary Steps Before you begin remove the following Battery Optical drive 2002 Apple Computer Inc All rights reserved Procedure 1 Disconnect the backup battery cable from the backup battery Note If the cable connector gets caught on the ridged area of the top case use a black stick to raise up the backup battery and then disconnect the cable oF 0 2 T eo T vos ss 6 i 2 Note The backup battery is compressed between two thin plastic sheets The battery is held in place wit
33. e installing the replacement top case make sure it includes the following Speaker set and cables Power button and board heatstaked to top case AirPort antenna cable Trackpad assembly with board and cable iiai 3 Important Make sure you transfer the original serial number label from the old top case to the serial number panel on the replacement top case You can use a black stick or razor blade to carefully peel up a corner of the label Then peel off the label completely and apply it to the serial number panel Make sure that the label lies completely flat so it does not interfere with the battery compartment al Hy IW HE UE SU Fox artisi j iD g Se BA TT 1 iiu inati HENA Ni AARNEN Ei Eaua War LL PowerBook G4 1GHz 867MHz Top Case 4 Confirm that the thermal strip and mesh liners are installed at the back panel j a A 5 Important Make sure you transfer the backup battery cable from the original top case to the replacement top case The backup battery cable is tucked below the bulb wire cable along and between the speaker and top case as shown a 6 Install the replacement top case and reassemble and test the computer PowerBook G4 1GHz 867MHz Top Case 3 Service Source Troubleshooting PowerBook G4 1GHz 867MHz 2002 Apple Computer Inc All rights reserved Symptom Charts How to Use the Symptom Charts The Symptom Charts included in th
34. es on each side Pull the card up and out Note If there is a memory card in the upper memory slot Figure 6A it must be removed before removing a card in the lower slot Figure 6B Figure 6 PowerBook G4 1GHz 867MHz Memory 4 Installing the Replacement Memory Card Warning When handling a memory card do not touch its gold connectors Handle the card only by the edges 1 To install the memory card line up the notch in the card with the small tab in the memory slot Hold the card at a 30 degree angle Figure 7A and then push the card into the slot until it is firmly seated Note You may feel some resistance If you are having trouble inserting the card try pushing one side at a time Figure 7 2 Gently push the card down until the two brackets on either side of the card lock into place Figure 8 Figure 8 PowerBook G4 1GHz 867MHz Memory 5 Closing the Computer 1 Flip the keyboard back toward the keyboard opening in the case 2 Hold the keyboard at an angle and insert the tabs on the bottom edge of the keyboard into the slots below the edge of the keyboard opening Figure 9 Important Make sure that all the tabs are seated and that the keyboard rests flush against the edge of the opening Figure 9 3 Lay the keyboard flat into the k
35. eyboard opening 4 Pull down on the keyboard release tabs while pressing down on the top portion of the keyboard Figure 10 Release the tabs to secure the keyboard in place Figure 10 EYE A NES KE 5 Close the display and turn the PowerBook over PowerBook G4 1GHz 867MHz Memory 6 6 Replace the battery Figure 11 Important Make sure that the battery locks securely into place and that the battery latch is slid all the way into the locked position Figure 11 7 Reconnect the power cord and any other cables that were connected and restart your computer Warning Never turn on your computer unless all of its internal and external parts are in place and it is closed Operating the computer when it is open or missing parts can damage your computer or cause injury Apple Computer Inc 2002 Apple Computer Inc All rights reserved This document is protected under U S Copyright Law and International Treaties and no part of this document may be reproduced in any form without written permission from Apple Apple is not responsible for typographical printing or inadvertent errors Apple Computer Inc 1 Infinite Loop Cupertino CA 95014 2084 USA 1 408 996 1010 http Awww apple com Apple the Apple logo and PowerBook are trademarks of Apple Computer Inc registered in the U S and other countries PowerBook G4 1GHz 867MHz Memory 7 P
36. eys and press the Power button to restart the computer Or press and hold the Power button for 5 to 10 seconds to shut down the computer then press the Power button to restart Make sure using the PowerBook 1GHz 867MHz power adapter 661 1798 Verify inverter flex cable and LVDS cable connections are seated properly and that the cables are not damaged refer to inverter board and display module replacement instructions Video Symptom Charts PowerBook G4 1GHz 867MHz Troubleshooting 15 7 Replace inverter board 8 Replace display assembly 9 Replace logic board Computer appears to work but no video on external device connected to the TV out port S video out port 1 The device must be connected to the S video port while the PowerBook is sleeping or off for the device to be recognized If running Mac OS X verify that this issue is also in Mac OS 9 Verify monitor that is used in testing is known good and is supported by this computer Try different cable s Oe OO DS Replace logic board No video on an external VGA device connected to the external monitor DVI D port 1 Inthe Resolution control strip see if the device is being recognized If so select resolution If running Mac OS X verify that this issue is also in Mac OS 9 Verify monitor that is used in testing is known good and is supported by this computer Try another DVI to VGA adapter cable Restart the computer and test again oa F D
37. f the bottom case Figure 14A has seated and the case lies flat 2 Replace the seven screws in the order shown Figure 14 Note The screws must go in straight and easily if they do not readjust the bottom case for proper alignment Do not overtighten the screws or damage could result Important To avoid damaging the case be careful that the screwdriver tip does not slip out of the screw head during tightening Figure 14 PowerBook G4 1GHz 867MHz Hard Drive 9 3 Replace the battery Figure 15 Important Make sure that the battery locks securely into place and that the battery latch is slid all the way into the locked position Figure 15 4 Turn the computer over Look at the optical drive slot to make sure that the case is properly secured If a gap exists below the slot gently pull the bottom of the optical drive slot toward you until it clicks into place and the gap is removed Figure 16 Figure 16 RE A LG OPI RA LR TS ER ey ans os 27 a PowerBook G4 1GHz 867MHz Hard Drive 10 5 Reconnect the power cord and any other cables that were connected and restart your computer Warning Never turn on your computer unless all of its internal and external parts are in place and it is closed Operating the computer when it is open or missing parts can damage your computer or cause injury 6 Restore the data from your backup to the new
38. fingers carefully pry up the hard drive cable connector Figure 7A at its sides to disconnect it from the logic board You may need to pry one side then the other in a rocking motion Figure 7 2 With a Torx T8 screwdriver remove the two screws that secure the hard drive mounting bracket and remove the bracket Figure 8 Figure 8 PowerBook G4 1GHz 867MHz Hard Drive 5 3 Pull up on the right side of the hard drive to remove it Figure 9 Important The hard drive connector cable can be carefully used to help remove the hard drive if it lifts easily Do not pull hard on the connector cable Figure 9 Note There are four rubber stoppers on the hard drive that fit over screws two on each side Remove any that may have fallen off or that remain in the holes in the mounting bracket inside the computer 4 If not included with the replacement drive remove the Mylar sheath and the flex cable to transfer to the replacement drive Important The connector pins on the hard drive are fragile and bend easily Use care to keep the pins straight when removing or installing the flex cable PowerBook G4 1GHz 867MHz Hard Drive 6 Installing the Replacement Hard Drive Warning To avoid potential injury or damage avoid touching the thin strip of metal that extends up from the rib frame at the battery well Important Avoid touching the optical drive as you perform this procedure 1 Make sure that the screws
39. g near cables that attach to the display If any of these cables are damaged the entire display module must be replaced At the left side of the logic board disconnect the 2 pin sleep LED cable connector the LVDS connector and the 6 pin audio connector PowerBook G4 1GHz 867MHz Logic Board 4 6 Atthe right side of the logic board disconnect the 2 pin power button cable connector the DC in board cable connector and the inverter board and modem flex cable connectors i i a Li Li 7 Disconnect the trackpad hard drive and optical drive flex cable connectors Note If tape is covering the trackpad connector reserve the tape for installation of the replacement logic board PowerBook G4 1GHz 867MHz Logic Board 5 8 Remove the T8 screw on the edge of the logic board near the battery well Important Install this screw first when installing the replacement logic board This screw helps the logic board align properly to the rib frame 9 Remove the T8 screw securing the PC card cage a 1 wa Ai B E E E E E Ti a PowerBook G4 1GHz 867MHz Logic Board 6 10 Remove the five identical bronze colored T8 screws Note When reassembling the computer do not overtighten the screws reins akg oe SE PowerBook G4 1GHz 867MHz Logic Board 7 11 Grasp the logic board near the AirPort Card carrier and gently lift the board up as shown bel
40. h adhesive on the lower plastic sheet Slide a black stick under and along the edge of the backup battery Pry up the backup battery so that the entire battery including the lower plastic sheet is removed from the inner top case Warning The ridged area of the top case is sharp PowerBook G4 1GHz 867MHz Backup Battery 2 3 If there is any adhesive left on the surface of the inner top case use a black stick to rub it away Do not use solvents Note When installing the replacement backup battery make sure the inner top case is clean and free of debris 4 Peel off the cover sheet from the bottom surface of the replacement backup battery to expose the adhesive 5 When positioning the replacement backup battery on the inner top case make sure the battery fits within the ridged battery area of the inner top case ore 6 Install the replacement backup battery and reassemble and test the computer PowerBook G4 1GHz 867MHz Backup Battery 3 PowerBook G4 1GHz 867MHz Logic Board Replacement Instructions The following instructions explain how to replace the logic board in the PowerBook G4 1GHz 867MHz computer Tools Torx T8 screwdriver Black stick nylon probe tool 922 5065 or other ESD safe non marring tool Razor blade Needle nose pliers optional Medium tip permanent black ink marker Note To organize the screws you remove from the computer use a tray with divided compartments
41. hat the computer is recognizing the bus For USB test ports with an Apple keyboard or mouse For FireWire test by connecting another computer in FireWire Target Disk Mode Refer to article 58583 How to Use FireWire Target Disk Mode Verify that drivers are installed properly for third party if needed If in Mac OS 9 boot with Mac OS All extension set Try a different cable If self powered make sure that the power supply is connected and device s LED indicates that it is getting power 10 Replace logic board A USB device not recognized by computer Note If you are trying to use a serial device with a USB Serial adapter check with the manufacturer of the adapter for compatibility 1 D N 10 g L D Completely shut down then press the power button to start the computer Try known good Apple USB keyboard or mouse to verify the port is working properly Verify current driver for the device is installed If a camera turn on camera after initiating download with camera application Try the other USB port Try different USB device on same port Eliminate chain by plugging in only one peripheral If in Mac OS 9 select Mac OS All in the Extensions Manager control panel and restart If in Mac OS 9 troubleshoot extensions and perform a clean installation of system software 10 Replace logic board Ports Symptom Charts PowerBook G4 1GHz 867MHz Troubleshooting 13 Sound No sound heard and the Spe
42. he instructions in this sheet carefully Failure to follow these instructions could damage your equipment and void its warranty Note Written and video instructions covering customer installable parts are available at http Awww info apple com installparts Warning During this procedure keep small parts away from children Tools Required The only tool required for this procedure is a jeweler s flat blade screwdriver if keyboard is locked Opening the Computer Warning Always shut down your 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 your computer on a clean flat surface 2 Shut down your computer and wait thirty minutes before continuing 3 Disconnect the power cord and any other cables connected to the computer 4 Close the computer and turn it over 5 Slide the battery latch Figure 1A to the right to remove the battery Figure 1B Removing the battery will prevent you from accidentally turning on the computer Warning Removing the battery before shutting down your computer may result in data loss Figure 1 6 Turn over the computer 7 Raise the display so you can access the keyboard 8 Make sure the keyboard locking screw located in the small plastic tab to the left of the Num Lock key Figure 2 is not in the locked positio
43. hone port use an I O EMI gasket kit PowerBook G4 1GHz 867MHz Logic Board 11 e Rectangular plastic standoffs around the chips on the underside of the replacement logic board Note If openings are present in the standoffs position them where shown by circles below Important If transfering from the old board use a razor knife to remove and be very careful not to damage board components PowerBook G4 1GHz 867MHz Logic Board 12 e Plastic 1 mm and 1 5 mm washers around the screw holes shown Center and press into place Hie man gi Fi LIT PowerBook G4 1GHz 867MHz Logic Board 13 15 Check that the heat exchanger has three rectangular thermal interface pads in place If the pads are missing or damaged replace the heat exchanger 16 Use a razor blade or black stick to gently scrape away any residual thermal transfer material on the heat exchanger on the surface that mates with the microprocessor PowerBook G4 1GHz 867MHz Logic Board 14 17 Important If you have removed the logic board to access another part and you will 18 be placing the original logic board back in the computer use a black stick to gently scrape away any residual thermal transfer material from the microprocessor chip on the logic board Warning When scraping away the thermal transfer material from the microprocessor chip be careful not to nick the microprocessor chip On the replacement logic board
44. hrough the opening in the top case Carefully guide the LVDS cable through the opening by looping the cable and turning the LVDS connector sideways as shown to fit through the opening 4 Atthe right clutch raise the inner clutch mount and disconnect the inverter cable Carefully slide the inverter cable out through the opening in the top case 5 The display module includes all three cables PowerBook G4 1GHz 867MHz Display Module 3 6 Important When the replacement display module is installed and before the clutch covers are installed test that the display is seated properly With the computer upright and closed press the computer latch The display module should pop up slightly if the module is properly seated 7 Install the replacement display module and reassemble and test the computer PowerBook G4 1GHz 867MHz Display Module 4 PowerBook G4 1GHz 867MHz Top Case Replacement Instructions The following instructions explain how to replace the top case in the PowerBook G4 1GHz 867MHz computer Tools Black stick nylon probe tool 922 5065 or other ESD safe non marring tool Razor blade optional Preliminary Steps Before you begin remove the following Battery Backup battery Display module I O door 2002 Apple Computer Inc All rights reserved Procedure 1 With the preliminary steps completed compare the original top case to the replacement top case 2 Befor
45. is chapter will help you diagnose specific symptoms related to the product The steps to solve a symptom are listed sequentially You might not need to perform every step before the symptom is solved Start with the first step and then test for the symptom If the symptom persists replace any modules you removed go to the next step and test again Continue down the list until the symptom is solved Note Software install and restore procedures are new for the PowerBook G4 1GHz 867MHz For new procedures refer to the read me files that came with the software install and restore DVD disc for the PowerBook G4 1GHz 867MHz Related articles can be found in the Knowledge Base at http kbase info apple com Startup The computer will not power on no fan movement hard drive spin up and display is not lit 1 Remove any connected peripherals 2 Check that the battery has enough charge to start the computer by pressing the button next to the LEDs on the battery At least one LED must light solid not flashing 3 Connect known good PowerBook 1GHz 867MHz power adapter 661 1798 and power cord or plug to a known good power outlet make sure the DC plug is firmly inserted The DC plug should light up if not replace DC in board Important The PowerBook 1GHz 867MHz power adapter must be used with the PowerBook 1GHz 867MHz computers The adapters can be identified by 65W in the name and markings and the metal securing stud on
46. isconnect all external peripherals 2 Make sure the battery is fully inserted and is charged 3 Check battery connection to main logic board Startup Symptom Charts PowerBook G4 1GHz 867MHz Troubleshooting 3 8 9 Make sure system is not over heating the air vents are clear and unit is not on soft surface Check that the fan cable is connected and the fan is operational Check that the heat exchanger is properly attached to the processor Important If the heat exchanger is separated from the logic board new thermal transfer material for the processor must be reinstalled Remove the battery and connect known good PowerBook 1GHz 867MHz power adapter 661 1798 and power cord or plug to a known good power outlet make sure the DC plug is firmly inserted The DC plug should light up if not replace DC in board Important The PowerBook 1GHz 867MHz power adapter must be used with the PowerBook 1GHz 867MHz computers The adapters can be identified by 65W in the name and markings and the metal securing stud on the plug connector Verify DC in board cable is securely connected Try known good DC in board 10 Replace the logic board System shuts down almost immediately after startup 1 2 3 4 Disconnect all external peripherals Make sure the battery is fully inserted and is charged Check battery connection to main logic board Replace the logic board System crashes or hangs intermittently 1
47. le 4mm Hex Nut Speaker Wire Heat Exchanger with speaker wire 922 5445 5mm Hex Screw Modem EMI Filter Board 922 5212 AirPort Antenna Assembly 922 5340 1 0 Door Assembly 922 5343 Clutch Cover 922 4635 Battery 661 2740 Bottom Case 922 5443 Hard Drive Mounting Bracket 076 0946 Hard Drive 661 1801 40 GB 661 1802 60 GB CD RW DVD ROM Combo Drive 661 2690 DVD R CD RW Apple SuperDrive 661 1804 Inverter Board Flex Cable 922 5210 Inverter Board 922 5204 Bulb Wire Cable 922 5217 Modem 661 2687 Modem Flex Cable 922 5214 CD RW DVD ROM Flex Cable 922 5208 SDRAM 661 2563 256 MB 661 2564 512 MB Rib Frame Assembly 922 5206 Optical Drive Flex Cable EMI Clip 922 5209 PC Card Cage 922 4627 Backup Battery 922 5205 Top Case 922 5444 Secondary Fan 922 5564 DC In Board Cable 922 5211 DC In Board 922 5460 Keyboard 922 5199 Display Module 661 2748 2002 Apple Computer Inc All rights reserved
48. left sides of the case then press down slightly to secure the case Check the alignment of the seven screw holes to make sure the bottom case is properly positioned Important Make sure that the seams between the bottom case and the frame are closed Check the outside edges and around the battery well Verify that the alignment tab on the underside of the bottom case Figure 12A has seated and the case lies flat 2 Replace the seven screws in the order shown Figure 12 Note The screws must go in straight and easily if they do not readjust the bottom case for proper alignment Do not overtighten the screws or damage could result Important To avoid damaging the case be careful that the screwdriver tip does not slip out of the screw head during tightening Figure 12 PowerBook G4 1GHz 867MHz AirPort Card 8 3 Replace the battery Figure 13 Important Make sure that the battery locks securely into place and that the battery latch is slid all the way into the locked position Figure 13 4 Turn the computer over Look at the optical drive slot to make sure that the case is properly secured If a gap exists below the slot gently pull the bottom of the optical drive slot toward you until it clicks into place and the gap is removed Figure 14 Figure 14 CLR LR L OEP RS 5 Reconnect the power cord and any other cables that were connected and restart your computer
49. les to make sure the bottom case is properly positioned Important Make sure that the seams between the bottom case and the frame are closed Check the outside edges and around the battery well Verify that the alignment tab on the underside of the bottom case Figure 6A has seated and the case lies flat Replace the seven screws in the order shown Figure 6 Note The screws must go in straight and easily if they do not readjust the bottom case for proper alignment Do not overtighten the screws or damage could result Important To avoid damaging the case be careful that the screwdriver tip does not slip out of the screw head during tightening Figure 6 PowerBook G4 1GHz 867MHz Bottom Case 4 3 Replace the battery Figure 7 Important Make sure that the battery locks securely into place and that the battery latch is slid all the way into the locked position Figure 7 4 Turn the computer over Look at the optical drive slot to make sure that the case is properly secured If a gap exists below the slot gently pull the bottom of the optical drive slot toward you until it clicks into place and the gap is removed Figure 8 Figure 8 a CIE E IJ EA IL RLR RA RAAL I L gt a ay a ap 5 Reconnect the power cord and any other cables that were connected and restart your computer Warning Never turn on your computer unless all of its internal and external p
50. n Your PowerBook 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 Figure 2 EET Re JEEP ADIT YRS PowerBook G4 1GHz 867MHz Memory 2 9 Release the keyboard by pulling down on the keyboard release tabs located to the left of the F1 and F12 keys Figure 3 then lift the top portion of the keyboard up slightly and toward the display Figure 3 hr LE SESE LR SEE 10 Flip the keyboard over and lay it on the palm rests and trackpad Figure 4 Figure 4 PowerBook G4 1GHz 867MHz Memory 3 11 Touch the computer s inside framework a dull gray conductive composite material to discharge any static electricity as shown Figure 5 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 your installation and closed the computer Figure 5 Removing the Installed Memory Card 1 To remove a memory card locate the brackets that secure the card on both sides Figure 6 Carefully spread the brackets apart until the card releas
51. o not walk around the room until you have completed your installation and closed the computer Figure 5 12 Locate the keyboard cable connector Figure 6 Figure 6 13 Pull up on the connector from side to side if needed to disconnect it from the computer 14 Set the keyboard aside PowerBook G4 1GHz 867MHz Keyboard 4 Installing the Replacement Keyboard 1 Lay the replacement keyboard in the correct orientation over the keyboard opening then flip it toward you and lay it face down on the palm rests and trackpad to expose its connector cable Figure 7 Figure 7 2 Firmly insert the keyboard cable connector into its connector on the computer 3 Flip the keyboard back toward the keyboard opening in the case 4 Hold the keyboard at an angle and insert the tabs on the bottom edge of the keyboard into the slots below the edge of the keyboard opening Figure 8 Important Make sure that all the tabs are seated and that the keyboard rests flush against the edge of the opening Figure 8 z SNA A CO KE RS Nr ER NN a TE EE RSS SSS IS SKK S SSS SX S Sees A a ESS ee SS PowerBook G4 1GHz 867MHz Keyboard 5 5 Lay the keyboard flat into the keyboard opening 6 Pull down on the keyboard release tabs while pressing down on
52. ol 922 5065 or other ESD safe non marring tool Torx T8 screwdriver Preliminary Steps Before you begin remove the following Battery Optical drive Logic board 2002 Apple Computer Inc All rights reserved Procedure Important With the bottom case removed be careful if turning over the computer Some components could become loose and fall out Note Remove any kapton tape as needed and replace during reassembly 1 Loosen or remove the chrome T8 screw holding the heat exchanger alignment bracket and the right side of the rib frame 2 Disconnect the bulb wire cable connector Replacement Note Make sure the alignment bracket secures the small alignment nub on the end of the heat exchanger Look from the side through the air vents of the top case to verify that the ribs on the heat exchanger do not block the vents 3 Pull up slightly on the rib frame then deroute the bulb wire cable Replacement Note Route the replacement cable as shown Use a black stick to tuck the cable in over the backup battery cable between the speaker and top case PowerBook G4 1GHz 867MHz Bulb Wire Cable 2 Replacement Note After reconnecting the bulb wire ensure that the bulb wire cable is safely tucked within the case edge so that it will not get pinched by the bottom case 4 Reassemble and test the computer Important Make sure the bottom case is installed correctly If the slot load area is slightly bowed carefully
53. onsible for turning the subpixel on or off There are typically millions of these subpixels on an LCD display For example the LCD panel used in the Apple Cinema HD display is made up of 2 3 million pixels and 6 9 million red green and blue subpixels Occasionally a transistor does not work perfectly which may result in the affected subpixel being turned on bright or turned off dark With the millions of subpixels on a display it is quite possible to have a low number of faulty transistors on an LCD Therefore a certain number of subpixel anomalies are considered acceptable Rejecting all but perfect LCD panels would significantly increase the retail price for products using LCD displays These factors apply to all manufacturers using LCD technology not just Apple products Battery Symptom Charts PowerBook G4 1GHz 867MHz Troubleshooting 9 Hard Drive Internal hard drive will not initialize If in Mac OS X 1 Start up from the software install and restore disc that came with the computer hold down the C key during restart 2 When the Installer opens from the Installer menu select Open Disk Utility 3 Ifthe hard drive is recognized format it under the Erase tab 4 Ifthe hard drive is not recognized reseat or replace if needed the hard drive flex cable 5 If still not recognized replace the hard drive 6 Reinstall system software using the software install and restore disc If in Mac OS 9 1 Launch D
54. over its place on the logic board and insert the long end of the rubber pin into the hole below it in the logic board and pull the middle cone through the hole Make sure that the fan cable is not in the way then line up the snap pins on the bottom of the fan with the holes in the logic board and press the fan into place Important Do not press on the center hub of the fan Press only on the outside edges of the fan housing Cut off the tail of the rubber pin at the tip of the cone Connect the fan connector to the logic board Reassemble and test the computer PowerBook G4 1GHz 867MHz Primary Fan 3 PowerBook G4 1GHz 867MHz Secondary Fan Replacement Instructions The following instructions explain how to replace the secondary fan in the PowerBook G4 1GHz 867MHz computer Tools Black stick nylon probe tool 922 5065 or other ESD safe non marring tool Torx T6 screwdriver Preliminary Steps Before you begin remove the following Battery Logic Board disconnect the fan s connector from the logic board while removing the logic board 2002 Apple Computer Inc All rights reserved Procedure 1 Remove the T6 screw from the fan bracket 2 Disconnect the fan s connector from the logic board while removing the logic board Lift out the fan assembly PowerBook G4 1GHz 867MHz Secondary Fan 2 PowerBook G4 1GHz 867MHz PC Card Cage Replacement Instructions The following inst
55. ow being careful where it catches on ports back panel mesh liner and disconnected cables If necessary open the panel door and press on the ports to free the logic board from the back panel Important Lift the board just enough to access and disconnect the secondary fan s connector on the logic board before removing the board Replacement Note When reassembling the computer make sure the replacement logic board ports align completely with the openings in the back panel Replacement Note When positioning the replacement logic board into the computer check that cables and connectors do not get caught under the board Tilt the logic board toward the back panel and place the following cables into the notches in the board Power switch cable reapply tape over the cable if applicable Sleep LED cable e LVDS cable e Audio cable PowerBook G4 1GHz 867MHz Logic Board 8 12 Remove existing memory cards from the logic board for installation on the replacement logic board Carefully spread the end brackets to allow the card to raise up then pull out PowerBook G4 1GHz 867MHz Logic Board 9 13 Transfer the following from the old logic board to the replacement logic board AirPort card carrier RJ 11 port PowerBook G4 1GHz 867MHz Logic Board 10 14 Install the following onto the replacement logic board Primary fan EMI gaskets to the USB ports FireWire port DVI I port and headp
56. owerBook G4 1GHz 867MHz Bottom Case Replacement Instructions Follow the instructions in this sheet carefully Failure to follow these instructions could damage your equipment and void its warranty Note Written and video instructions covering customer installable parts are available at http Awww info apple com installparts Warning Sharp edges can exist inside your computer and on any parts being removed or installed Use caution to avoid injury During this procedure keep small parts away from children Tools Required Soft towel or cloth larger than the PowerBook Torx T8 screwdriver Removing the Bottom Case Warning Always shut down your 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 your computer on a clean flat surface 2 Shut down your computer and wait thirty minutes before continuing 3 Disconnect the power cord and any other cables connected to the computer 4 Place a towel or soft cloth on a table in front of you Figure 1A The towel or cloth will protect the keyboard and display area of the PowerBook when you flip it over to remove the battery and bottom case Make sure it covers an area large enough for your PowerBook and that it hangs over the edge of the table 5 With the display open at an angle greater than 90 degrees
57. own your 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 To access the AirPort Card you must first remove the battery and bottom case 1 Place your computer on a clean flat surface 2 Shut down your computer and wait thirty minutes before continuing 3 Disconnect the power cord and any other cables connected to the computer 4 Place a towel or soft cloth on a table in front of you Figure 1A The towel or cloth will protect the keyboard and display area of the PowerBook when you flip it over to remove the battery and bottom case Make sure it covers an area large enough for your PowerBook and that it hangs over the edge of the table 5 With the display open at an angle greater than 90 degrees carefully flip the PowerBook over and lay it flat fully on the table Make sure the display hangs over the edge of the table and rests lightly on your lap Figure 1B Important Do not open the display farther than the angle shown Figure 1 6 Remove the battery by sliding the battery latch to the left Make sure to return the latch fully to the right Figure 2 Removing the battery will prevent you from accidentally turning on the computer Warning Removing the battery before shutting down your computer may result in data loss Figure 2 PowerBook G4 1GHz 867
58. pull the bottom edge of the slot until it clicks into place and becomes flush with the bottom case ee Important Check the operation of the optical drive If the drive is installed incorrectly the optical drive mechanism might not spin correctly and will result in mechanical noise when playing a disc PowerBook G4 1GHz 867MHz Bulb Wire Cable 3 PowerBook G4 1GHz 867MHz I O Door Replacement Instructions The following instructions explain how to replace the I O door in the PowerBook G4 1GHz 867MHz computer Tools Black stick nylon probe tool 922 5065 or other ESD safe non marring tool Needle nose pliers Preliminary Steps Before you begin remove the following Battery Logic board 2002 Apple Computer Inc All rights reserved Procedure 1 Using needle nose pliers pull off the rubber plugs at each end of the door Remove the springs and set aside the plugs and springs Important Be very careful not to damage or bend the heat exchanger pipes 3 Remove the L shaped pin from each end of the I O door Note The L shaped pin has a knob at one end The knobbed end holds the rubber plug onto the L shaped pin 4 Install the replacement I O door Make sure each L shaped pin threads through the top case inner clutch mount spring and plug Note You might need to use a black stick to compress the spring while installing the plug on each L shaped pin 5 Reassemble and test the compu
59. rd during the startup Note The PowerBook G4 has two memory expansion slots and accepts 1 25 inch or shorter PC 133 compliant SO DIMM memory cards there is no RAM on the logic board itself Refer to Memory Card Replacement instructions for removal and installation Computer beeps once at startup 1 One beep means that no RAM is detected Note There is no RAM on the logic board itself so the computer will beep if no memory is installed in at least one of the RAM slots 2 Put the original RAM that came with the computer back in or put in known good and compatible RAM and restart If symptom does not repeat replace RAM card s If symptom repeats replace logic board Computer beeps twice at startup 1 Two beeps means that EDO memory is installed in the RAM expansion slot The PowerBook does not accept EDO memory 2 Replace RAM card s with known good and compatible RAM and restart If symptom repeats replace logic board Computer beeps three times at startup 1 Three beeps means that no RAM banks passed memory testing 2 Ifa RAM card is installed in the upper expansion slot if not skip to next step remove it and restart If symptom does not repeat replace RAM card If symptom repeats replace RAM in lower RAM slot with known good and compatible RAM card and restart If symptom repeats replace logic board Error Beeps Symptom Charts PowerBook G4 1GHz 867MHz Troubleshooting 5 3 Ifa RAM card i
60. re replaced with known good modules If the failure is intermittent run Apple Hardware Test in loop mode Control L for an extended time to test the memory Startup Symptom Charts PowerBook G4 1GHz 867MHz Troubleshooting 2 Flashing question mark appears on the screen 1 Start up from the software install and restore disc that came with the computer hold down the C key during restart 2 When the Installer opens from the Installer menu select Open Disk Utility 3 If the hard drive is recognized under the First Aid tab verify the hard disk and repair if needed Restart the computer 4 Ifthe hard drive is not recognized reseat the hard drive flex cable If still not recognized replace the hard drive 5 Reinstall system software using the software install and restore disc Computer begins to power up the fan and hard drive are spinning hitting caps lock key and LED turns on but there is no startup chime or video 1 With a non metallic tool reset the power manager by pressing the reset button located under the keyboard in the recess just left of the power button Wait five seconds before continuing Press the power button to start the computer Warning Resetting the power manager will permanently remove a RAM disk if present and all of its contents You will also need to reset the date and time using the Date amp Time control panel 2 Replace the logic board System shuts down intermittently 1 D
61. red T8 screws from the right clutch Do not remove the smaller screws 12 Important With the display hinge disconnected support the display as you place it face down on a soft cloth in front of the computer chassis Warning Do not separate the display cables from the computer chassis Do not strain the cables en Feel E PowerBook G4 1GHz 867MHz Rib Frame and Heat Exchanger 5 13 Remove the four rib frame screws Three are identical black T8 screws the forth is a longer chrome T8 and also secures the heat exchanger alignment bracket to the end of the heat exchanger You might need to move aside the AirPort antenna cable to reach one of the screws Replacement Note Make sure to replace the longer chrome screw through the alignment bracket so that it secures the small alignment nub on the end of the heat exchanger Look from the side through the air vents of the top case to verify that the ribs on the heat exchanger do not block the vents 14 Lift the rib frame off of the heat exchanger If the heat exchanger sticks to the rib frame press gently on the heat exchanger near the two connection points shown PowerBook G4 1GHz 867MHz Rib Frame and Heat Exchanger 6 15 Disconnect the audio cable at each end of the heat exchanger PowerBook G4 1GHz 867MHz Rib Frame and Heat Exchanger 7 16 Pivot the heat exchanger out of the top case assembly Be careful where it might catch at the LVDS
62. ring the antenna cable to the AirPort Card carefully remove it and store it in the battery compartment for reuse later When installing the replacement AirPort Card use the tape to secure the cable in the same manner 4 To disconnect the antenna cable connector hold the AirPort Card with one hand and grasp the antenna cable connector with the other While being careful not to strain the antenna cable Figure 7C firmly pull the connector straight out of the AirPort Card Figure 7 Important If reassembling the computer without an AirPort Card replace the antenna cable connector into its holder Figure 9B and pull the loop of the antenna cable up slightly and away from the edge of the computer case This prevents the cable from interfering with the PC card slot below or getting pinched during reassembly Also if the AirPort Card connector Figure 7D is rotated up push it down into the level position This allows the bottom case to install properly PowerBook G4 1GHz 867MHz AirPort Card 5 Installing the Replacement AirPort Card 1 If the replacement AirPort Card came with the AirPort adapter Figure 8A remove the metal clip Figure 8B and pull the AirPort Card Figure 8C from the adapter The adapter and metal clip are not used with your PowerBook Figure 8 B 2 If necessary pull the AirPort antenna cable connector Figure 9A from its holder Figure 9B Figure 9 3 Position the AirPort Card
63. rive Setup and update hard drive driver 2 If the hard drive is not recognized in Drive Setup reseat or replace if needed the hard drive flex cable 3 If still not recognized replace hard drive Important If the computer is under warranty and data recovery is required refer to Article 31077 Hard Drive Data Recovery amp Warranty Implications for important information Keyboard No response from any key on keyboard 1 Remove any connected peripherals 2 Turn off the computer Disconnect the keyboard connector and inspect connectors 3 Start up from the software install and restore disc that came with the computer hold down the C key during restart to verify that it is not a software problem 4 Replace keyboard 5 Replace logic board The keyboard lock is damaged or won t lock 1 Verify that keyboard is installed properly so the lock lines up with the notch in the top case 2 Replace keyboard Hard Drive Symptom Charts PowerBook G4 1GHz 867MHz Troubleshooting 10 Modem No modem dial tone 1 N Oo 9 F BO N Check that the correct modem is selected In Mac OS X check Network Setup In Mac OS 9 check the Modem control panel Verify known good analog not digital telephone line Verify known good RJ11 telephone cable Verify RJ11 cable is not plugged into Ethernet port Inspect RJ11 connector and modem port for pin damage Verify RJ11 telephone cable is firmly installed in the modem port
64. ructions explain how to replace the PC card cage in the PowerBook G4 1GHz 867MHz computer Tools Torx T8 screwdriver 4 mm Hex socket or wrench 5 mm Hex socket or wrench Preliminary Steps Before you begin remove the following Battery Keyboard Logic board 2002 Apple Computer Inc All rights reserved Procedure 1 Remove the two screws that attach the PC card cage to the rib frame The longer screw is next to the battery connector 2 To remove the 4 mm hex nut that secures the PC card cage to the heat exchanger you may want to use a finger to support the 5 mm magnetic hex screw underneath the nut to prevent the screw from falling out of the screw hole Loosen and remove the hex nut Remove the PC card cage being careful where it can catch on the PC card eject button Then reattach the hex nut temporarily to the hex screw PowerBook G4 1GHz 867MHz PC Card Cage 2 3 Check that the replacement PC card cage includes a clear plastic shim on the outer frame near the PC card eject button If the shim is not there transfer the shim from the old PC card cage to the replacement PC card cage 4 When installing the replacement PC card cage ensure that the metal flange that is closest to the PC card eject button goes underneath the rib frame and metal liner at the battery latch 5 Install the replacement PC card cage and reassemble and test the computer PowerBook G4 1GHz 867MHz PC Card Cage
65. s not installed in the upper expansion slot replace RAM in lower RAM slot with known good and compatible RAM card and restart If symptom repeats replace logic board Computer beeps four times at startup 1 Four beeps indicates a bad checksum for the remainder of the boot ROM The ROM which is located on the logic board is bad 2 Replace RAM card s with known good and compatible RAM and restart If symptom repeats replace logic board Related articles 58442 Power On Self Test Beep Definition Part 2 95132 PowerBook G4 Installing or Replacing Memory AirPort Card AirPort Card not recognized 1 In Mac OS X use Software Update in System Preferences or in Mac OS 9 use the Software Update control panel or see the Apple Software Updates web page to make sure the latest version of AirPort software is installed 2 Restart the computer Mac OS 9 Restart using Mac OS All extensions setting Mac OS X Open AirPort in System Preferences and make sure AirPort is on and Base Station is selected Mac OS 9 Open Airport in Apple Menu and make sure AirPort is on and Base Station is selected 4 Reseat AirPort Card and make sure AirPort antenna cable is fully connected 5 Remove and reinstall the AirPort software 6 Replace with known good AirPort Card 7 Replace logic board Battery Battery will not eject 1 Flip over the unit and release the battery latch by sliding the latch towards the PC Card button 2 Ifthe
66. screen 2 Using a jeweler s loupe pocket microscope or other magnifying device identify and count each pixel anomaly e Bright subpixel anomaly subpixel that is always on e Dark subpixel anomaly subpixel that is always off 3 The number of acceptable pixel anomalies for this system is Acceptable Number of Subpixel Anomalies Bright Up to 3 Dark Up to 5 Combination Up to 7 4 Ifthe number of subpixel anomalies exceeds the acceptable number listed in the above chart replace the display panel assembly Replace Bright 4 or more Dark 6 or more Combination 8 or more Battery Symptom Charts PowerBook G4 1GHz 867MHz Troubleshooting 8 5 If the number of subpixel anomalies is acceptable explain to the customer that the pixel anomalies are within specifications and no repair is necessary Important Do not release the specifications to customers Instead inform them that a certain number of subpixel anomalies are considered acceptable and these factors apply to all manufacturers using LCD technology not just Apple products When speaking with customers please use the following explanation Active matrix LCD technology uses rows and columns of addressable locations pixels that render text and images on screen Each pixel location has three separate subpixels red green and blue that allow the image to be rendered in full color Each subpixel has a corresponding transistor resp
67. such as a plastic ice cube tray Preliminary Steps Before you begin remove the following Battery Keyboard Remove the following in step 4 Bottom case AirPort Card if installed 2002 Apple Computer Inc All rights reserved Procedure 1 With the display open and the keyboard removed remove the T8 screw near the heat pipe CE oe ee ee ee E E 2 Disconnect the PC card flex cable connector and the keyed battery connector Important If the battery connector has not been disconnected before the keyed connector may be tight If necessary use a black stick or needle nose pliers to loosen one side of the connector and then the other side Then insert the black stick under the cables to pry up and disconnect the connector Replacement Note When reassembling the computer tuck down the battery cables so they do not get in the way when the keyboard is installed PowerBook G4 1GHz 867MHz Logic Board 2 3 Disconnect the 3 pin backup battery connector from the logic board 4 Remove the items listed in Preliminary Steps to be removed in step 4 Important With the bottom case removed be careful when turning over the computer Some components could become loose and fall out PowerBook G4 1GHz 867MHz Logic Board 3 5 Warning The thin cables connected to the LVDS low voltage data signal connector are extremely delicate Do not pull or pinch the LVDS cables Be especially careful when workin
68. tant With the bottom case removed be careful if turning over the computer Some components could become loose and fall out PowerBook G4 1GHz 867MHz DVD R CD RW amp DVD ROM CD RW Optical Drive 2 3 Remove the two T8 screws that secure the hard drive mounting bracket and remove the bracket 4 Disconnect the inverter board flex cable from the inverter board and logic board 5 Disconnect the optical drive and modem flex cables from the logic board PowerBook G4 1GHz 867MHz DVD R CD RW amp DVD ROM CD RW Optical Drive 3 6 Disconnect the bulb wire cable from the inverter board 7 Remove the four T6 screws that secure the modem and the inverter board and remove the inverter board Replacement Note When reinstalling the replacement optical drive ensure that the bulb wire cable is safely within the case edge so that it will not get pinched by the bottom case PowerBook G4 1GHz 867MHz DVD R CD RW amp DVD ROM CD RW Optical Drive 4 9 Use a thin tool to lift the optical drive slightly then deroute the modem flex cable 10 Warning To prevent damage to the optical drive handle the drive only by the corners Do not press on the body of the drive To remove the optical drive pull the drive to the right away from the hard drive to release the long rubber stopper from the rib frame 11 Important If you notice that the felt strip for the slot load area is torn or damaged replace the felt strip
69. ter PowerBook G4 1GHz 867MHz I O Door 2 PowerBook G4 1GHz 867MHz Display Module Replacement Instructions The following instructions explain how to replace the display module on the PowerBook G4 1GHz 867MHz computer Warning Make sure you carefully follow these instructions especially when working near cables that attach to the replacement display module If any of the cables are damaged the entire display module must be replaced Tools Soft cloth Black stick nylon probe tool 922 5065 or other ESD safe non marring tool Preliminary Steps Before you begin remove the following Battery DC In Board Rib frame and heat exchanger 2002 Apple Computer Inc All rights reserved Procedure 1 With the rib frame and heat exchanger removed make sure The display is supported on a soft cloth in front of the top case The display cables are not strained Warning Be especially careful when working near cables that attach to the display If any of these cables are damaged the entire display module must be replaced The LVDS cable and connector are extremely delicate Do not pull or pinch the LVDS cable or connector If necessary use a black stick or other nonconductive tool to guide the cables out of the top case Raise the inner clutch mount so it is pivoted away from the LVDS cable and sleep LED cable PowerBook G4 1GHz 867MHz Display Module 2 3 Thread the 2 pin LED sleep cable t
70. the computer Warning Resetting the power manager will permanently remove a RAM disk if present and all of its contents You will also need to reset the date and time using the Date amp Time control panel REZ gt I iu A imor P N ile 6 Replace DC in board 7 Replace logic board Battery Symptom Charts PowerBook G4 1GHz 867MHz Troubleshooting 7 Display Display latch not working Note When the display is being closed a latch hook in the top of the display housing should be magnetically pulled down through the slot in the top case and secured by the latch mechanism When the latch button is pushed the hook should release and retract into the display housing 1 See the Latch Adjustment chapter in the Adjustments section of this service manual to verify the latch mechanism and latch hook operation and make adjustments if necessary 2 Ifthe latch hook is broken replace the display panel assembly When displaying a single color over the screen area the LCD panel shows one or more pixels that are not properly lit To determine whether or not the display has an acceptable number of pixel anomalies follow the steps below 1 Set the display image to one of the following colors all white display all red display all green display or all blue display Knowledge Base article 112125 Service Diagnostics Matrix has the LCD Tester Diagnostic Utility that will generate these patterns on the
71. the clutch covers two screws on each clutch cover 7 Use a black stick to pry off the two clutch covers Note Opening the display slightly may help to remove the covers PowerBook G4 1GHz 867MHz Rib Frame and Heat Exchanger 3 8 Open the computer so that the display rests in your lap and is protected by a soft cloth 9 Warning Be especially careful when working near cables that attach to the display If any of these cables are damaged the entire display module must be replaced Warning At the left clutch the wrapped cable connected to the LVDS low voltage data signal connector is extremely delicate Do not pull or pinch the LVDS cable Do not allow the screwdriver to touch the LVDS cable Locate the two large silver colored screws Gently move aside the LVDS cable so you can access the screws Remove the two silver colored T8 screws from the left clutch Notice that the screw closest to the LVDS cable has a sloped screw head Do not remove the smaller screws Important When installing the replacement display make sure the screw closest to the LVDS cable is the screw with the sloped head PowerBook G4 1GHz 867MHz Rib Frame and Heat Exchanger 4 10 At the right clutch note the routing of the inverter cable Without straining the inverter cable gently move it aside so you can access the two large silver colored screws 11 Support the display as you remove the two identical large silver colo
72. the plug connector 4 Try powering up without the battery installed 5 Press Caps Lock key to see if light on key comes on If it does hold power button down for six seconds to shut down the computer and restart Startup Symptom Charts PowerBook G4 1GHz 867MHz Troubleshooting 1 6 With a non metallic tool reset the power manager by pressing the reset button located under the keyboard in the recess just left of the power button Wait five seconds before continuing Press the power button to start the computer Warning Resetting the power manager will permanently remove a RAM disk if present and all of its contents You will also need to reset the date and time using the Date amp Time control panel 7 Verify power button cable is connected properly to logic board if power button is not functioning correctly or damaged replace the top case 8 Disconnect keyboard completely Inspect connectors Restart with keyboard disconnected 9 Remove any additional RAM 10 Remove AirPort Card 11 Verify DC in board cable is securely connected 12 Try known good DC in board 13 Replace logic board Memory error message appears on the screen 1 Reseat the DIMMs 2 Verify proper memory is being used The PowerBook 1GHz 867MHz uses 1 25 inch or shorter PC 133 compliant SO DIMM memory cards 3 Run Apple Hardware Test If the test finds bad memory replace the DIMMs one at a time and test until all bad DIMMs a
73. the top portion of the keyboard Figure 9 Release the tabs to secure the keyboard in place Figure 9 SSS SSSR RSS re CXS A 7 Close the display and turn the PowerBook over 8 Replace the battery Figure 10 Important Make sure that the battery locks securely into place and that the battery latch is slid all the way into the locked position Figure 10 9 Reconnect the power cord and any other cables that were connected and restart your computer Warning Never turn on your computer unless all of its internal and external parts are in place and it is closed Operating the computer when it is open or missing parts can damage your computer or cause injury PowerBook G4 1GHz 867MHz Keyboard 6 Apple Computer Inc 2002 Apple Computer Inc All rights reserved This document is protected under U S Copyright Law and International Treaties and no part of this document may be reproduced in any form without written permission from Apple Apple is not responsible for typographical printing or inadvertent errors Apple Computer Inc 1 Infinite Loop Cupertino CA 95014 2084 USA 1 408 996 1010 http Awww apple com Apple the Apple logo and PowerBook are trademarks of Apple Computer Inc registered in the U S and other countries PowerBook G4 1GHz 867MHz Keyboard 7 PowerBook G4 1GHz 867MHz Memory Card Replacement Instructions Follow t
74. werBook G4 1GHz 867MHz Troubleshooting 14 10 11 12 Reset PRAM Press the power button then hold down the Option Command P R keys until you hear the startup chime at least one additional time after the initial startup chime Warning Resetting the PRAM will permanently remove a RAM disk if present and all of its contents You will also need to reset the date and time using the Date amp Time control panel Verify that the speaker cable is connected properly to logic board Check speaker cable Verify left and right cable connections Check with headphones or external speaker if audio is heard replace heat exchanger with speaker wire assembly Replace top case Replace logic board Distorted sound from speakers 1 Verify sound is correct with external speakers headphones If sound is correct check speaker wire and connections 2 In Mac OS X check balance 3 Compare same sound with two different units to make sure that sound is actually distorted 4 Check speaker wire If damaged replace heat exchanger with speaker wire assembly 5 Replace top case 6 Replace logic board Video No display or dim display but computer appears to operate correctly 1 2 3 Remove any connected peripherals Make sure F1 key is not stuck down Press the F2 key with the fn key pressed and not pressed to increase the screen brightness settings Reboot the computer hold down the Control and Command k

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