Apple FW800 manual

© 2003 Apple Computer , Inc. All rights reser ved.  Service Source PowerBook G4 (15-inch FW800) 16 September 2003[...]

© 2003 Apple Computer , Inc. All rights reser ved.  Service Source Take Apart PowerBook G4 (15-inch FW800)[...]

PowerBook G4 (15-inch FW800) Take Apart - 1 General Information General Information Over view Some ke y features that distinguish this computer from earlier P o werBook models include: • New aluminum alloy enclosure • Built-in Bluetooth • Built-in FireWire 800 port • Supports USB 2.0 • Uses double-data rate (DDR) memory • Optional AirPo[...]

2 - PowerBook G4 (15-inch FW800) Take Apart General Information New Pr ocedures If you are f amiliar with taking apar t notebook computers, there are a f ew critical diff erences: • Important: The top case removal has two critical removal steps: – A hidden latch behind the optical drive f elt must be disengaged with a tool bef ore lifting off t[...]

PowerBook G4 (15-inch FW800) Take Apart - 3 General Information Serial Number Location The serial number is located in the batter y ba y .[...]

4 - PowerBook G4 (15-inch FW800) Take Apart Foot Foot T ools This procedure requires the f ollowing tools: • Foot kit • Tweezers or needlenose pliers • Soft cloth Pr eliminary Step Bef ore you begin, identify the f oot that needs replacement. Chec k the bottom case of the computer and compare it with the images in this table: Plug Area on Bot[...]

PowerBook G4 (15-inch FW800) Take Apart - 5 Foot Pr ocedure W arning: The glue used in this procedure can bond instantly to skin. Do not touch the glue. In the ev ent of contact, re view the saf ety instructions at the end of this document. For additional inf or mation, refer to the glue man ufacturer: Elmer's Products, Inc. Columbus, OH. 4321[...]

6 - PowerBook G4 (15-inch FW800) Take Apart Foot 4. W arning: GLUE IS AN EYE AND SKIN IRRIT ANT . BONDS SKIN INST ANTL Y . Do not touch the glue at any time . Bef ore opening the glue, re view the saf ety instructions at the end of this document. Important: The glue tube included in the kit is sealed until first use. Do not break the seal until you[...]

PowerBook G4 (15-inch FW800) Take Apart - 7 Battery Battery T ools This procedure requires the f ollowing tools: • Soft cloth • Coin Part Location Pr eliminary Steps W arning: Alwa ys shut down the computer before opening it to a void dama ging its internal components or causing injury . After you shut down the computer , the internal component[...]

8 - PowerBook G4 (15-inch FW800) Take Apart Battery Pr ocedure W arning: If the computer has been recently operating, allow it to cool do wn before performing this pr ocedure. 1. Shut down the computer . 2. Disconnect the pow er cord and any other cables connected to the computer . 3. Place the computer f ace down on a soft cloth. 4. Inser t a coin[...]

PowerBook G4 (15-inch FW800) Take Apart - 9 Memory Door and Memory Cards Memory Door and Memory Cards T ools This procedure requires the f ollowing tools: • Soft cloth • #0 Phillips screwdriver Part Location Pr eliminary Steps Before you begin, r emove the batter y .[...]

10 - PowerBook G4 (15-inch FW800) Take Apart Memory Door and Memory Cards Pr ocedure W arning: If the computer has been recently operating, allow it to cool do wn before performing this pr ocedure. 1. Place the computer f ace down on a soft cloth. 2. Remov e the f our screws from the memor y door then remov e the door . Note: If only one memor y ca[...]

PowerBook G4 (15-inch FW800) Take Apart - 11 Memory Door and Memory Cards 3. T o remov e memor y cards, carefully spread the two loc king tabs for the slot (top or bottom) aw ay from the card on both sides and allo w the card to pop up slightly . 4. Pull the card straight bac k and out of the memor y slot.[...]

12 - PowerBook G4 (15-inch FW800) Take Apart Memory Door and Memory Cards Replacement Pr ocedure Notes: • The top and bottom memory cards are inserted at different angles. • If installing two cards, install into the bottom slot first. • Align the notch in the memory card with the tooth in the slot before inserting. 1. T o install a memor y ca[...]

PowerBook G4 (15-inch FW800) Take Apart - 13 Memory Door and Memory Cards 2. Slide the card f orward to the low er slot. Fir mly push the card straight into the slot until it is fully and securely seated along its length. Note: If the back of the card drops down before it is fully seated, raise it up enough to push it fully into the slot. 3. Carefu[...]

14 - PowerBook G4 (15-inch FW800) Take Apart Memory Door and Memory Cards 4. If installing a memor y card in the top slot, f ollow the same procedures as the bottom slot e xcept inser t the card at a 30-degree angle, abov e the locking tabs . 5. Push the card in until it is firmly seated. 6. As with the bottom slot, spread the locking tabs f or th[...]

PowerBook G4 (15-inch FW800) Take Apart - 15 Memory Door and Memory Cards 7. Cards should be flat and secure on both sides. 8. Install the memor y door . 9. Replace the batter y . 10. Use Apple System Profiler to v er ify that the memor y is recognized. (Choose the menu bar Apple logo (  ) > About This Mac, clic k More Inf o..., select the [...]

16 - PowerBook G4 (15-inch FW800) Take Apart AirPort Extreme Card AirPort Extreme Card T ools This procedure requires the f ollowing tools: • Black stick (or other nonconductive nylon or plastic flat-blade tool) Part Location Pr eliminary Steps Bef ore you begin, remov e the batter y .[...]

PowerBook G4 (15-inch FW800) Take Apart - 17 AirPort Extreme Card Pr ocedure 1. Pull outward on the slot to open the AirP or t Extreme Card door . 2. Use a blac k stick to pull out the card’ s clear plastic pull tab, tuc ked underneath.[...]

18 - PowerBook G4 (15-inch FW800) Take Apart AirPort Extreme Card 3. Gently disconnect the AirP or t Extreme antenna cable . 4. Use the pull tab to pull out the card.[...]

PowerBook G4 (15-inch FW800) Take Apart - 19 AirPort Extreme Card 5. Slide the replacement AirP or t Extreme Card into the slot, as shown. 6. Push the card into the slot until fully seated.[...]

20 - PowerBook G4 (15-inch FW800) Take Apart AirPort Extreme Card 7. Connect the end of the antenna cable to the card. 8. Loop the clear plastic tab down around the antenna cab le and tuck it into the slot under the card so that it secures the cable .[...]

PowerBook G4 (15-inch FW800) Take Apart - 21 AirPort Extreme Card 9. Close the AirP or t door , reassemble and test the computer .[...]

22 - PowerBook G4 (15-inch FW800) Take Apart Top Case Top Case T ools This procedure requires the f ollowing tools: • #0 Phillips screwdriver (magnetized) • 1.5 mm Hex key (or Torx T6) • Dental pick (with up to a ninety-degree bend) • Black stick (or other nonconductive nylon or plastic flat-blade tool) • Soft cloth • Multi-compar tment[...]

PowerBook G4 (15-inch FW800) Take Apart - 23 Top Case Pr eliminary Steps Bef ore you begin, remov e the f ollowing: • Battery • Memory door Pr ocedure Note: This procedure remov es the top case and ke yboard assembly . The k eyboard is remov able only after remo ving the top case. 1. Place the computer f ace down on a soft cloth. 2. Remov e the[...]

24 - PowerBook G4 (15-inch FW800) Take Apart Top Case 5. With the displa y open, rest the computer on one side. Remove the three scre ws. 6. T ur n ov er the computer and remov e the three screws on the other side.[...]

PowerBook G4 (15-inch FW800) Take Apart - 25 Top Case 7. Open the computer slightly and rest it with the back f acing up . Remo ve the two top screws along the bac k. Note: Do not remove the bottom screws. 8. La y the computer r ight side up and open the displa y slightly past 90-degrees. 9. Remov e the two he x screws at the bac k cor ners of the [...]

26 - PowerBook G4 (15-inch FW800) Take Apart Top Case 10. Use a blac k stick along the seam of the top and bottom case to help release the top case at the back sides (gently twisting the b lack stic k may help).[...]

PowerBook G4 (15-inch FW800) Take Apart - 27 Top Case 11. Important: There is an hidden clip that secures the front of the top case. This clip must be released bef ore the top case can be remov ed. The clip can be seen behind the optical drive f elt, on the left side. Also , there are small slits in the top felt. The clip is behind the first slit [...]

28 - PowerBook G4 (15-inch FW800) Take Apart Top Case 12. With the top case released from the bottom case and lifted slightly so that it does not touch the bottom case, lift the front of the top case , pivoting along the bac k, to rest the top case against the displa y . Do not strain the cables connected to the logic board. Important: Adjust the d[...]

PowerBook G4 (15-inch FW800) Take Apart - 29 Top Case 13. Disconnect the trac kpad flex cab le. 14. Carefully disconnect the ke yboard flex cab le. Use a non-marring flat-blade tool to slide the locking bar bac k slightly on both sides. Important: The keyboard flex cable is a Zero insertion force (ZIF) connector. The locking bar on the connector[...]

30 - PowerBook G4 (15-inch FW800) Take Apart Top Case Replacement Pr ocedure Note: If replacing the top case, remo ve the k eyboard and transf er it to the replacement top case. 1. Visually check to v erify that all cables are connected and routed correctly with nothing raised up or incorrectly o ver a component. 2. Check perimeter wiring, where sh[...]

PowerBook G4 (15-inch FW800) Take Apart - 31 Top Case 4. On the top case, chec k cable connections and routing. Note: The top case below has the wires and connector for the fiber optics for the optional backlit keyboard (right side). This will not be present on some configurations. 5. Check that the perimeter metal tabs are not bent. Note: The meta[...]

32 - PowerBook G4 (15-inch FW800) Take Apart Top Case 6. La y the top case against the open display , as shown. 7. Connect the fle x cables from the top case to the logic board. 8. Lift the top case slightly and rotate it down o ver the bottom case (v erify that the cables are f olding proper ly) and align the corners. 9. Star t at the right cor n[...]

PowerBook G4 (15-inch FW800) Take Apart - 33 Top Case Important: Screw order is vital f or the proper attachment of the top case. 10. Reinstall the side screws in the order sho wn, below . Replacement Note: Do NOT insert side screws into the DVI port screw holes. The screws can jam in the holes, requiring removing the logic board to remove.[...]

34 - PowerBook G4 (15-inch FW800) Take Apart Top Case 11. Close the computer , flip it ov er , and install the f our back scre ws. 12. Install the two scre ws in the memor y bay . 13. Install the memor y door and f our screws. 14. Install the two scre w in the batter y bay . 15. Replace the batter y . 16. T esting the computer should include power[...]

PowerBook G4 (15-inch FW800) Take Apart - 35 Keyboard Keyboard T ools This procedure requires the f ollowing tools: • #0 Phillips screwdriver • Black stick (or other nonconductive nylon or plastic flat-blade tool) Part Location Pr eliminary Steps Bef ore you begin, remov e the f ollowing: • Battery • Top case[...]

36 - PowerBook G4 (15-inch FW800) Take Apart Keyboard Pr ocedure Note: There are two diff erent k eyboards and top cases used with this computer , depending upon the configuration, either bac klit or non-backlit. Important: V erify that the correct replacement keyboard is ordered, and/or top case if replacing. The keyboards are not interchangeab l[...]

PowerBook G4 (15-inch FW800) Take Apart - 37 Keyboard 1. T ur n the top case ov er and carefully remov e the blac k insulator film. If new film w as not provided with the replacement part, reser ve the film f or reinstallation. Important: If the computer has the fiber optics for the optional backlit keyboard, do not remove the black insulator ar[...]

38 - PowerBook G4 (15-inch FW800) Take Apart Keyboard 2. Gently pull up on the ke yboard flex cab le to release the adhesiv e at its base. 3. Remov e the thir teen screws. Note: The non-backlit top case shown.[...]

PowerBook G4 (15-inch FW800) Take Apart - 39 Keyboard 4. Use the pointed end of a blac k stick and push through the scre w hole at the top left side until the ke yboard begins to separate from the top case. Work y our wa y along through successiv e screw holes until a blac k stick can be inserted under the keyboard from the top . Important: To avoi[...]

40 - PowerBook G4 (15-inch FW800) Take Apart Keyboard 5. Carefully lift up the ke yboard and guide out its flex cab le (shown belo w). Important: Be careful not to strain or tear the keyboard flex cable. 6. If adhesiv e residue is left by the ke yboard in the ke yboard bay , and on the fiber optics (if present), carefully rub it off.[...]

PowerBook G4 (15-inch FW800) Take Apart - 41 Keyboard Replacement Procedur e 1. T o install the ke yboard or replacement ke yboard, inser t its fle x cable through the slot in the top case and rest the bottom of the ke yboard ev enly along the bottom edge of the ke yboard bay . 2. Remov e any protectiv e cov er from adhesive strips on the ke yboar[...]

42 - PowerBook G4 (15-inch FW800) Take Apart Keyboard 4. Install the ke yboard screws in the order sho wn. 5. Install new or reinstall the insulator film. Remov e any protectiv e cov er from the adhesiv e and fit the small round hole in the film over the r aised screw boss (one on each side) to star t the alignment. A v oid wr inkles or bulges .[...]

PowerBook G4 (15-inch FW800) Take Apart - 43 Keyboard 6. T o secure the ke yboard flex cab le, remov e any protectiv e cov er on the adhesive at the base of the cable . Pull the cab le up straight and then forw ard to lay it flat across the the ke yboard bay . Run y our finger along the base of the flex cab le to secure the adhesiv e. 7. Reasse[...]

44 - PowerBook G4 (15-inch FW800) Take Apart Backup Battery Backup Battery T ools This procedure requires the f ollowing tools: • Black stick (or other nonconductive nylon or plastic flat-blade tool) Part Location Pr eliminary Steps Bef ore you begin, remov e the f ollowing: • Battery • Top case[...]

PowerBook G4 (15-inch FW800) Take Apart - 45 Backup Battery Pr ocedure 1. Use a blac k stick to release the adhesiv e holding the backup battery to the optical drive then disconnect the bac kup batter y cable. Note: The backup battery is held down by double-backed tape adhesive on its cover.[...]

46 - PowerBook G4 (15-inch FW800) Take Apart Backup Battery Replacement Pr ocedure 1. Connect the backup battery cable to the bac kup batter y and to the logic board. 2. Remov e any protectiv e adhesive co ver on the replacement bac kup batter y . 3. Notice the cur v e of the metal brack et along the r ight edge of the optical drive . P osition the[...]

PowerBook G4 (15-inch FW800) Take Apart - 47 Backup Battery 4. Press where shown to secure the bac kup batter y to the optical drive. 5. Reassemble the computer . 6. T esting the computer should include plugging in the power adapter and letting the backup battery charge for half an hour . Then pow er on the computer and disconnect the pow er adapte[...]

48 - PowerBook G4 (15-inch FW800) Take Apart Optical Drive Optical Drive T ools This procedure requires the f ollowing tools: • #0 Phillips screwdriver (magnetized) • Thin double-back tape (if the backup battery will not re-stick securely) • Black stick (or other nonconductive nylon or plastic flat-blade tool) Part Location Pr eliminary Steps[...]

PowerBook G4 (15-inch FW800) Take Apart - 49 Optical Drive Pr ocedure 1. Remov e the two scre ws from the dr ive hold-do wn brack et. 2. Lift out the brac ket.[...]

50 - PowerBook G4 (15-inch FW800) Take Apart Optical Drive 3. Use a blac k stick, or the connector pull tab if present, to carefully loosen and disconnect the optical drive fle x cable connector . 4. Lift up on the optical drive at its rear and remo ve.[...]

PowerBook G4 (15-inch FW800) Take Apart - 51 Optical Drive 5. T ransf er the flex cab le, side brac kets and scre ws to the replacement optical dr iv e. 6. T o install the replacement optical drive, insert the front of the dr ive under an y ov erhang at the front of the computer abov e the optical drive slot, then low er the back of the drive into[...]

52 - PowerBook G4 (15-inch FW800) Take Apart Optical Drive 7. V erify that both sides of the dr ive are fully seated. 8. Connect the optical drive fle x cable connector to the logic board. 9. Reassemble the computer . 10. T esting the computer should include powering on, inser ting an optical disc and ejecting it to make sure the driv e is aligned[...]

PowerBook G4 (15-inch FW800) Take Apart - 53 Hard Drive Hard Drive T ools This procedure requires the f ollowing tools: • #0 Phillips screwdriver (magnetized) • Black stick (or other nonconductive nylon or plastic flat-blade tool) Part Location Pr eliminary Steps Bef ore you begin, remov e the f ollowing: • Battery • Top case[...]

54 - PowerBook G4 (15-inch FW800) Take Apart Hard Drive Pr ocedure 1. Remov e the two scre ws from the dr ive hold-do wn brack et. 2. Lift out the brac ket.[...]

PowerBook G4 (15-inch FW800) Take Apart - 55 Hard Drive 3. Use a blac k stick, or the connector pull tab if present, to carefully loosen and disconnect the hard drive fle x cable connector . 4. Lift up on the right side of the hard dr iv e to remove .[...]

56 - PowerBook G4 (15-inch FW800) Take Apart Hard Drive 5. T ransf er the shield, side screws, rubber shoc kpads and the flex cab le to the replacement hard drive . Note: If replacing the hard drive flex cable, verify that the EMI pad is installed on the cable, or install it if supplied, or transfer from the replaced cable. 6. Install the replacem[...]

PowerBook G4 (15-inch FW800) Take Apart - 57 Modem Modem T ools This procedure requires the f ollowing tools: • #0 Phillips screwdriver (magnetized) • Black stick (or other nonconductive nylon or plastic flat-blade tool) Part Location Pr eliminary Steps Bef ore you begin, remov e the f ollowing: • Battery • Top case • Hard drive[...]

58 - PowerBook G4 (15-inch FW800) Take Apart Modem Pr ocedure 1. Remov e the two scre ws. 2. Carefully lift the modem to disconnect the fle x cable connected underneath.[...]

PowerBook G4 (15-inch FW800) Take Apart - 59 Modem 3. Lift the modem up slightly and disconnect the RJ-11 cable connector . Replacement Pr ocedure 1. Connect the RJ-11 cable to the modem. 2. V erify that the modem RJ-11 cable is routed as shown.[...]

60 - PowerBook G4 (15-inch FW800) Take Apart Modem 3. P osition the modem ov er the pin and align the screw holes , then press down ov er the fle x connector location to connect the cable. Note: If the modem will not seat on the flex connector, remove the optical drive to gain access to the cable. 4. Check that the modem cab le is still secured to[...]

PowerBook G4 (15-inch FW800) Take Apart - 61 Bluetooth Bluetooth T ools This procedure requires the f ollowing tools: • Black stick (or other nonconductive nylon or plastic flat-blade tool) Part Location Pr eliminary Steps Bef ore you begin, remov e the f ollowing: • Battery • Top case Note: Replacing the Bluetooth cab le requires removing th[...]

62 - PowerBook G4 (15-inch FW800) Take Apart Bluetooth Pr ocedure 1. Guide the Bluetooth 4-pin connector and antenna cables from under the bottom case hardware . 2. Lift up the Bluetooth board. 3. Disconnect the Bluetooth antenna cable . 4. Use a blac k stick to disconnect the 4-pin connector .[...]

PowerBook G4 (15-inch FW800) Take Apart - 63 Bluetooth 5. If replacing the Bluetooth cable , remov e the cable through the space at the PC card cage button guide . 6. Install the replacement Bluetooth board. Note: Use Kapton tape if needed to secure the shield around the board.[...]

64 - PowerBook G4 (15-inch FW800) Take Apart Bluetooth 7. Route cables under the case hardw are in the channel as shown, and v er ify that the antenna cable is seated in the cab le clips on the speaker assemb ly . Note: The Bluetooth antenna cable secures with the modem cable in the channels along the left speaker. If re-securing, insert the Blueto[...]

PowerBook G4 (15-inch FW800) Take Apart - 65 Left Blower Left Blower T ools This procedure requires the f ollowing tools: • #1 Phillips screwdriver (magnetized) • Black stick (or other nonconductive nylon or plastic flat-blade tool) Part Location Pr eliminary Steps Bef ore you begin, remov e the f ollowing: • Battery • Top case Note: Replac[...]

66 - PowerBook G4 (15-inch FW800) Take Apart Left Blower Pr ocedure 1. Disconnect the cables sho wn below . 2. Remov e f our screws.[...]

PowerBook G4 (15-inch FW800) Take Apart - 67 Left Blower 3. Lift out the blo wer . 4. Install replacement blo wer . Reassemble and test computer . Replacement Note: Make sure to reseal the tape strip along the edge of the blower.[...]

68 - PowerBook G4 (15-inch FW800) Take Apart Ambient Light Sensor Boards Ambient Light Sensor Boards T ools This procedure requires the f ollowing tools: • #0 Phillips screwdriver • Torx T8 screwdriver • Black stick (or other nonconductive nylon or plastic flat-blade tool) Part Location Computers with the backlit k eyboard configuration, onl[...]

PowerBook G4 (15-inch FW800) Take Apart - 69 Ambient Light Sensor Boards Pr ocedure 1. T o remov e the left ambient light sensor board, remov e the two screws , and disconnect the connector from the logic board.[...]

70 - PowerBook G4 (15-inch FW800) Take Apart Ambient Light Sensor Boards 2. T o remov e the r ight ambient light sensor , remov e the two scre ws, then lift up on the ambient light sensor board to disconnect it from the logic board (the connector is on the bottom of the board). Note: The sensor assembly consists of two pieces: the sensor board and [...]

PowerBook G4 (15-inch FW800) Take Apart - 71 Ambient Light Sensor Boards 3. Press, where sho wn here, to secure the right ambient light sensor board connector to the logic board. 4. Reassemble and test the computer .[...]

72 - PowerBook G4 (15-inch FW800) Take Apart Logic Board Logic Board T ools This procedure requires the f ollowing tools: • #1 Phillips screwdriver (magnetized) • Thermal Pad Kit (076-1055), if not ordering a replacement logic board or heatsink • EMI Gasket Kit (076-1057) • Alcohol pads • Black stick (or other nonconductive nylon or plast[...]

PowerBook G4 (15-inch FW800) Take Apart - 73 Logic Board Pr eliminary Steps Bef ore you begin, run the computer until warm (if possible) to help soften the thermal material on the logic board, then shut it down and remov e the f ollowing: • Battery • Top case • Right ambient light sensor board and lens cover, if present Note: It ma y be helpf[...]

74 - PowerBook G4 (15-inch FW800) Take Apart Logic Board 2. Remov e the two scre ws and move the right speak er and wire down aw ay from the logic board. 3. Remov e the screws sho wn. Note: If a right ambient light sensor board was removed, that procedure already removed the upper right logic board screw.[...]

PowerBook G4 (15-inch FW800) Take Apart - 75 Logic Board 4. Important: Ther mal material on the bottom side of the board, between the board and heatsink, ma y make it difficult f or the board to release. Verify that all screws have been removed, then use a blac k stick to apply light, slo w , upward pressure under the left side of the logic board [...]

76 - PowerBook G4 (15-inch FW800) Take Apart Logic Board 6. Carefully lift the left side of the board and piv ot along the por ts side. Suppor t the board along its sides as it lifts to av oid fle xing. W arning: Do NO T flex the board. Give special attention at the narrow nec k of the blo wer cutout. 7. Carefully pull the por t end of the board [...]

PowerBook G4 (15-inch FW800) Take Apart - 77 Logic Board W arning: T o av oid flexing the logic boar d, hold the board vertically along the wide sides. Do not hold the board b y the ends or by the narr ow neck at the b lower cutout, or horizontally , as the boar d’ s weight can cause excessive fle x.[...]

78 - PowerBook G4 (15-inch FW800) Take Apart Logic Board Replacement Procedur e 1. V erify that the two rubber bloc ks, below , are installed on the replacement logic board. 2. Install new EMI gask ets (076-1057) onto the replacement logic board, where shown below .[...]

PowerBook G4 (15-inch FW800) Take Apart - 79 Logic Board 3. Check the tw o ther mal pads on the heatsink, shown below . If damaged, use a black stick to remo ve the material then clean the surf ace vigorously with an alcohol pad to completely remov e all of the original ther mal mater ial. W arning: Whenever the logic board is separated fr om the h[...]

80 - PowerBook G4 (15-inch FW800) Take Apart Logic Board 5. Install new thermal pads onto the heatsink where remov ed, as shown below . Center each pad over the location that corresponds to the chip on the logic board and press into place, avoiding air pockets. Remove protective backing, if present. Note: The two larger pads are interchangeable. Im[...]

PowerBook G4 (15-inch FW800) Take Apart - 81 Logic Board 6. If the logic board was remo ved to f acilitate another procedure and will be reinstalled, remov e all ther mal material from the CPU chip on the bottom of the logic board with a blac k stick, as sho wn below . Important : Use extreme care not to damage the chip or logic board components . [...]

82 - PowerBook G4 (15-inch FW800) Take Apart Logic Board 8. Attach the screws in the order sho wn. Note: If a right ambient light sensor will be installed, the upper right screw (10) will be installed during that procedure. 9. Reassemble and test all ports, components and functions of the computer . Note: After installing ne w ther mal mater ial, i[...]

PowerBook G4 (15-inch FW800) Take Apart - 83 Right Blower Right Blower T ools This procedure requires the f ollowing tools: • #1 Phillips screwdriver (magnetized) • Black stick (or other nonconductive nylon or plastic flat-blade tool) Part Location Pr eliminary Steps Bef ore you begin, remov e the f ollowing: • Battery • Top case • Logic [...]

84 - PowerBook G4 (15-inch FW800) Take Apart Right Blower Pr ocedure 1. Remov e the three screws , then lift off the blow er . 2. Install the replacement right blow er and reseal tape str ip (left blo wer shown). 3. Reassemble the computer and test all ports, components and functions.[...]

PowerBook G4 (15-inch FW800) Take Apart - 85 Right USB Board Right USB Board T ools This procedure requires the f ollowing tools: • #1 Phillips screwdriver (magnetized) • Black stick (or other nonconductive nylon or plastic flat-blade tool) Part Location Pr eliminary Steps Bef ore you begin, remov e the f ollowing: • Battery • Top case • [...]

86 - PowerBook G4 (15-inch FW800) Take Apart Right USB Board Pr ocedure 1. Remov e the two scre ws and guide the board out. 2. Disconnect the fle x cable.[...]

PowerBook G4 (15-inch FW800) Take Apart - 87 Right USB Board 3. If the EMI gasket is not installed on the replacement board, tr ansfer the gask et from the old board, or install a new gask et, as shown. 4. Install the replacement right USB board and reassemble the computer . 5. T est all por ts, components and functions of the computer .[...]

88 - PowerBook G4 (15-inch FW800) Take Apart Speakers Speakers T ools This procedure requires the f ollowing tools: • #0 Phillips screwdriver (magnetized) • #1 Phillips screwdriver (magnetized) • 4 mm socket wrench • Black stick (or other nonconductive nylon or plastic flat-blade tool) Part Location Pr eliminary Steps Bef ore you begin, rem[...]

PowerBook G4 (15-inch FW800) Take Apart - 89 Speakers Pr ocedure Note: Lift up any Kapton tape as necessary and reser ve f or replacement. 1. Remov e the two scre ws and remove the small board (if a left ambient light sensor board was not remo ved in the preliminary steps). 2. Carefully lift wires out of routing channels on the left speaker .[...]

90 - PowerBook G4 (15-inch FW800) Take Apart Speakers 3. Remov e the screw and n ut, then carefully lift out the speaker assembly . 4. Disconnect the speaker cab le from the Sound/DC-in board. 5. Install the replacement speakers , and reassemble the computer . Replacement Note: Needlenose pliers may be helpful when reinstalling the nut. 6. T esting[...]

PowerBook G4 (15-inch FW800) Take Apart - 91 PC Card Cage PC Card Cage T ools This procedure requires the f ollowing tools: • #0 Phillips screwdriver (magnetized) • Black stick (or other nonconductive nylon or plastic flat-blade tool) Part Location Pr eliminary Steps Bef ore you begin, remov e the f ollowing: • Battery • Speakers[...]

92 - PowerBook G4 (15-inch FW800) Take Apart PC Card Cage Pr ocedure 1. Remov e the f our screws. 2. T o remov e the cage, lift it off of the eject button pin. 3. Remov e the eject button f or replacement.[...]

PowerBook G4 (15-inch FW800) Take Apart - 93 PC Card Cage 4. V erify the holes in the Sound/DC-in board, are aligned with the screw bosses under them on the bottom case so that the PC card cage screws will install. 5. Install the replacement PC card cage and eject button. Replacement Note: Ensure that the pin on the PC card cage eject button is sec[...]

94 - PowerBook G4 (15-inch FW800) Take Apart AirPort Extreme Slot & Flex Cable AirPort Extreme Slot & Flex Cable T ools This procedure requires the f ollowing tools: • #0 Phillips screwdriver (magnetized) • #1 Phillips screwdriver (magnetized) • Black stick (or other nonconductive nylon or plastic flat-blade tool) Part Location Pr eli[...]

PowerBook G4 (15-inch FW800) Take Apart - 95 AirPort Extreme Slot & Flex Cable Pr ocedure 1. Disconnect the AirP or t Extreme antenna coupling. Grasp the coupling (not the wires) at both ends and pull to separate at the middle . 2. If replacing the AirP or t Extreme fle x cable, remo ve the two scre ws.[...]

96 - PowerBook G4 (15-inch FW800) Take Apart AirPort Extreme Slot & Flex Cable 3. Remov e f our screws and lift out the AirP or t Extreme card cage. 4. Notice the routing of the antenna cable jumper and remo ve . If not replacing, transf er to the replacement cage.[...]

PowerBook G4 (15-inch FW800) Take Apart - 97 AirPort Extreme Slot & Flex Cable 5. Install the replacement AirP or t Extreme card cage. Replacement Note: Make sure the AirPort Extreme card cage door is closed before installing. 6. Reassemble the computer . 7. T esting the computer should include inser ting an AirP or t Extreme card to check that[...]

98 - PowerBook G4 (15-inch FW800) Take Apart Display Panel Assembly Display Panel Assembly T ools This procedure requires the f ollowing tools: • Torx T8 screwdriver (magnetized) • #0 Phillips screwdriver (magnetized) • Black stick (or other nonconductive nylon or plastic flat-blade tool) Part Location Pr eliminary Steps Bef ore you begin, re[...]

PowerBook G4 (15-inch FW800) Take Apart - 99 Display Panel Assembly Pr ocedure 1. Remov e the two scre ws along the back, closest to the bottom of the computer . 2. Open the computer displa y . 3. Lift the Bluetooth antenna cable out of the channels on the left speak er , then disconnect the antenna cable from the Bluetooth board. Replacement Note:[...]

100 - PowerBook G4 (15-inch FW800) Take Apart Display Panel Assembly 4. Disconnect the AirP or t Extreme antenna coupling. Remo ve Kapton tape if present, then grasp the coupling (not the wires) at both ends and pull to separ ate at the middle. Replacement Note: Use Kapton tape to secure the connector. 5. Disconnect the inv er ter cable .[...]

PowerBook G4 (15-inch FW800) Take Apart - 101 Display Panel Assembly 6. On the right side of the computer , disconnect the L VDS cab le. 7. Mov e the displa y to a 90-degree angle and remov e the four scre ws. Important: Support the display from falling over before removing the last screw.[...]

102 - PowerBook G4 (15-inch FW800) Take Apart Display Panel Assembly 8. Lift the displa y straight up and off of the computer without catching wires. 9. Install the replacement displa y panel assembly . Replacement Note: Make sure to capture the grounding loop with the back screw.[...]

PowerBook G4 (15-inch FW800) Take Apart - 103 Display Panel Assembly 10. Reassemble and test the computer . 11. T esting the computer should include the display panel. Use Bluetooth to connect to another computer and v er ify proper AirP or t Extreme function. Chec k the function of the RJ-11 modem por t.[...]

104 - PowerBook G4 (15-inch FW800) Take Apart Heatsink and Blowers Assembly Heatsink and Blowers Assembly T ools This procedure requires the f ollowing tools: • Torx T8 screwdriver (magnetized) • #1 Phillips screwdriver (magnetized) • Thermal pad kit (076-1055), if not replacing the heatsink • Alcohol pads Part Location Pr eliminary Steps B[...]

PowerBook G4 (15-inch FW800) Take Apart - 105 Heatsink and Blowers Assembly Pr ocedure Note: The heatsink and b lowers are one assemb ly par t. 1. Remov e the screws and lift out the heatsink and b lower assemb ly . Important: Do not attempt to tr ansfer b lowers from one heatsink to another . This can create acoustic issues. 2. If the heatsink was[...]

106 - PowerBook G4 (15-inch FW800) Take Apart Heatsink and Blowers Assembly 4. T o install the replacement heatsink, install the screws in the order sho wn. 5. Reassemble and test all ports, components and functions of the computer .[...]

PowerBook G4 (15-inch FW800) Take Apart - 107 Sound/DC-In Board Sound/DC-In Board T ools This procedure requires the f ollowing tools: • Torx T8 screwdriver (magnetized) • 5 mm socket wrench • Black stick (or other nonconductive nylon or plastic flat-blade tool) Part Location Pr eliminary Steps Bef ore you begin, remov e the f ollowing: • B[...]

108 - PowerBook G4 (15-inch FW800) Take Apart Sound/DC-In Board Pr ocedure 1. Remov e the screws . 2. Disconnect the pow er and flex cab les.[...]

PowerBook G4 (15-inch FW800) Take Apart - 109 Sound/DC-In Board 3. Guide out the sound/DC-in board. Replacement Note: Install the “TO MLB” side of the flex cable to the logic board.[...]

110 - PowerBook G4 (15-inch FW800) Take Apart Sound/DC-In Board 4. T ur n the board ov er and disconnect the Bluetooth cable . 5. Remov e the RJ-11 por t, with attached cable, to tr ansfer to the replacement board. The RJ-11 port slides off the sound/DC-in board but may be very tight. It may be helpful to pull on the port, or push it with the flat [...]

PowerBook G4 (15-inch FW800) Take Apart - 111 Sound/DC-In Board Replacement Note: If the replacement sound/DC-in board has an RJ-11 port installed, remove it and install the existing RJ-11 port. The RJ-11 board must go above the standoff. 6. Important: Connect the Bluetooth connector to the replacement sound/DC-in board. 7. Install the replacement [...]

112 - PowerBook G4 (15-inch FW800) Take Apart Sound/DC-In Board Replacement Note: Verify that the screw pass-through holes, at the Bluetooth connector end of the board, line up with the screw bosses below them so that the PC card cage screws can install properly. 8. Connect the speaker , power , and flex cab les. 9. Reassemble and test the compute[...]

PowerBook G4 (15-inch FW800) Take Apart - 113 Bottom Case Assembly Bottom Case Assembly Part Location Pr eliminary Steps Bef ore you begin, remov e the f ollowing: • Battery • Optical drive • Modem • AirPort Extreme card cage and flex cable • DC-in board • Bluetooth board[...]

114 - PowerBook G4 (15-inch FW800) Take Apart Bottom Case Assembly Pr ocedure 1. V erify that the follo wing items are on the replacement bottom case: • EMI shields • Display latch assembly • Battery latch assembly • Sleep LED and wire connector assembly 2. Remov e the batter y connector and cable from the remo ved bottom case; transfer to [...]

PowerBook G4 (15-inch FW800) Take Apart - 115 Bottom Case Assembly 3. Remov e two scre ws and remove the hard driv e holder ; transf er to the replacement bottom case. 4. Reassemble and test all ports, components and functions of the computer , including batter y operation.[...]

© 2003 Apple Computer , Inc. All rights reser ved.  Service Source Troubleshooting PowerBook G4 (15-inch FW800)[...]

PowerBook G4 (15-inch FW800) Troubleshooting - 1 General Information General Information W ire and Flex Cables With the v er y thin enclosure design and dispersed circuit board, a large number of flex cables are used in this computer . In addition, there are a v ar iety of wire cable harnesses as well. Many of these cables carry multiple types of [...]

2 - PowerBook G4 (15-inch FW800) Troubleshooting General Information Main batter y cable Connects main batter y to logic board Modem fle x (to logic board) Modem control and data Optical drive fle x (to logic board) Optical data, pow er , and control signals PC Card cage fle x (to logic board) PC card data and pow er P ow er Button cable P ow er[...]

PowerBook G4 (15-inch FW800) Troubleshooting - 3 General Information Hardwar e T roubleshooting T ools and Tips A pple Hardwar e T est 2.0.6 (AHT) Star ting with the P owerBook G4 (17-inch), the Apple Hardw are T est software will be incor porated into the Softw are Install and Restore D VD . There is no separate CD for this diagnostic. Note: Curre[...]

4 - PowerBook G4 (15-inch FW800) Troubleshooting General Information Apple Service Diagnostic Main screen Apple Service Diagnostic Select test tab[...]

PowerBook G4 (15-inch FW800) Troubleshooting - 5 General Information Apple Service Diagnostic Hard ware info tab Apple Service Diagnostic T est log tab Resetting the Po wer Manager Unit (PMU) The PMU reset button has been remo ved from the logic board. Use the follo wing ke y combination procedure or the PMU Reset pad (see PMU NMI and PMU Reset pad[...]

6 - PowerBook G4 (15-inch FW800) Troubleshooting General Information Po wer -on pads on logic board With the top case remov ed, the power-on b utton is disconnected. Instead of ha ving to reconnect the top case to turn on the system, there are two pads on the logic board when shor ted together (with a tool like the head of a flat b lade screwdrive[...]

PowerBook G4 (15-inch FW800) Troubleshooting - 7 General Information PMU Reset pads on logic board In addition to the pow er-on button pads on the logic board, there are pads f or PMU reset. These buttons w or k when their pads are shor ted together (with a tool like the head of a flat blade scre wdriver). They are marked PMU RESET . The pads are [...]

8 - PowerBook G4 (15-inch FW800) Troubleshooting General Information Softwar e T r oubleshooting Tips and T ools Mac OS X only Star ting with the P owerBook G4 (17-inch), the system will no longer boot into Mac OS 9. Mac OS 9 applications can still be used, but only in the Mac OS X classic mode . In locations such as the Star tup Disk system prefer[...]

PowerBook G4 (15-inch FW800) Troubleshooting - 9 General Information T o star t up into Safe Mode (to Saf e Boot), do this: 1. Be sure the computer is shut down. 2. Press the pow er button. 3. Immediately after you hear the startup tone, press and hold the Shift ke y . Note: The Shift key should be held as soon as possible after the startup tone bu[...]

10 - PowerBook G4 (15-inch FW800) Troubleshooting Hardware Symptom Charts Hardware Symptom Charts How to Use the Symptom Charts The Symptom Char ts included in this chapter will help you diagnose specific symptoms related to the product. The steps to solv e a symptom are listed sequentially . Y ou might not need to perf or m ev er y step bef ore t[...]

PowerBook G4 (15-inch FW800) Troubleshooting - 11 Hardware Symptom Charts P ower Adapter Note The system was designed to use the Apple 65-W att P or table P ower Adapter that came with your computer . The pre vious 45-W att Apple power adapter f or P ow erBooks is plug compatible , but it ma y not provide sufficient po wer during some activities a[...]

12 - PowerBook G4 (15-inch FW800) Troubleshooting Hardware Symptom Charts Startup The computer will not power on (no blower mo vement, hard driv e spin up and display is not lit) 1. Remov e any connected peripherals and eject any PC card. 2. Check that the battery has enough charge to star t the computer by pressing the button ne xt to the LEDs on [...]

PowerBook G4 (15-inch FW800) Troubleshooting - 13 Hardware Symptom Charts 13. Repeat step 12 with the f ollowing fle x cables one at a time, reconnecting each bef ore proceeding to the ne xt cable: • Sound/DC-in flex cable • Hard drive flex cable • Optical drive flex cable • PC card cage flex cable • Keyboard flex cable • Trackpad flex[...]

14 - PowerBook G4 (15-inch FW800) Troubleshooting Hardware Symptom Charts Blue screen appears (a spinning disc cursor may also be visible), Prohibitory Sign appears, Restart dialog box appears (Mac OS X 10.2 ker nel panic window), or Gray screen during startup Prohibitory Sign Kernel P anic dialog bo x 1. Make sure all e xternal devices are disconn[...]

PowerBook G4 (15-inch FW800) Troubleshooting - 15 Hardware Symptom Charts Flashing question mark appears on the screen Note: This system will only boot the Mac OS X system that shipped with this computer or later . It does not suppor t booting into Mac OS 9. 1. Star t up from the software install and restore D VD that came with the computer (hold d[...]

16 - PowerBook G4 (15-inch FW800) Troubleshooting Hardware Symptom Charts System shuts down intermittently Important: This issue can be a result of not using the 65W power adapter with the P ow erBook G4 (15-inch FW800) computers. Confir m with the customer which adapter they w ere using when having this problem. The adapter can be identified b y[...]

PowerBook G4 (15-inch FW800) Troubleshooting - 17 Hardware Symptom Charts A pplication Quits, Ker nel panic or other booting problems 1. If a specific application quits, replace the application. V erify the application is compatible with OS X. 2. Clear parameter RAM. Hold down Command-Option-P-R during star tup until you hear a second star tup chi[...]

18 - PowerBook G4 (15-inch FW800) Troubleshooting Hardware Symptom Charts Computer beeps twice at startup 1. T wo beeps means that EDO memor y is installed in the RAM e xpansion slot. The P ow erBook does not accept EDO memor y . 2. Replace RAM card(s) with known-good and compatib le RAM and restar t. • If symptom repeats, replace logic board. Co[...]

PowerBook G4 (15-inch FW800) Troubleshooting - 19 Hardware Symptom Charts AirP ort Extreme Card AirPort Extr eme Card not recognized 1. In Mac OS X, use Software Update in system pref erences or see the Apple Software Updates web page to mak e sure the latest version of AirP or t Extreme software is installed. 2. Restar t the computer . 3. Open Air[...]

20 - PowerBook G4 (15-inch FW800) Troubleshooting Hardware Symptom Charts Battery Battery will not eject 1. Flip ov er the unit and tur n the batter y latch clockwise . 2. If the batter y does not pop up , use a small plastic flat-blade tool to pry up the batter y around the batter y latch. 3. V erify proper latch operation, by e x ercising the la[...]

PowerBook G4 (15-inch FW800) Troubleshooting - 21 Hardware Symptom Charts 6. T ur n off the computer . P erform the ke yboard PMU reset procedure descr ibed in the Hardware T roub leshooting T ools and Tips section. W ait five seconds bef ore continuing. Press the power b utton to star t the computer . W arning: Resetting the power manager will pe[...]

22 - PowerBook G4 (15-inch FW800) Troubleshooting Hardware Symptom Charts Display Display latch not working Note: When the displa y is being closed, hooks 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 displa y housing. 1. V erify hook [...]

PowerBook G4 (15-inch FW800) Troubleshooting - 23 Hardware Symptom Charts 5. If the number of subpix el anomalies is acceptable , explain to the customer that the pix el anomalies are within specifications, and no repair is necessar y . Important: Do not release the specifications to customers. Instead, inform them that a cer tain number of subpi[...]

24 - PowerBook G4 (15-inch FW800) Troubleshooting Hardware Symptom Charts K eyboard No response fr om any key on keyboard 1. Remov e any connected peripherals and eject any PC card. 2. Attach an e xter nal USB ke yboard, if it doesn’t work, go to step 7. 3. T ur n off the computer . Check the ke yboard fle x cable connection to the logic board (e[...]

PowerBook G4 (15-inch FW800) Troubleshooting - 25 Hardware Symptom Charts Half keyboard is illuminated. 1. Check the k eyboard bac klight cable connection to the trac kpad flex cab le and the trac kpad flex cab le connection to the logic board. If the connections look good, change the top case. Micr ophone The microphone is not w orking 1. Check th[...]

26 - PowerBook G4 (15-inch FW800) Troubleshooting Hardware Symptom Charts Modem No modem dial tone 1. Check that the correct modem is selected in the Netw or k P or t Configuration section of the Network system pref erences. 2. V erify known-good analog (not digital) telephone line. 3. V erify known-good RJ-11 telephone cable . 4. V erify RJ-11 ca[...]

PowerBook G4 (15-inch FW800) Troubleshooting - 27 Hardware Symptom Charts Optical Driv e The optical drive does not accept CD or D VD disc (mechanical failure) 1. V erify disc is not war ped and is a 12 cm circular disc. 2. Check that a small disc is not stuc k inside, or other f oreign objects. Remov e dr iv e from system to e xtract disc. 3. V er[...]

28 - PowerBook G4 (15-inch FW800) Troubleshooting Hardware Symptom Charts PC Card PC Card will not insert into the PC Card slot 1. Make sure the PC Card eject b utton is in, before attempting to insert a PC Card. 2. Make sure the PC Card is right side up (cards are k eyed and cannot be inserted upside down). 3. V erify the PC Card is not war ped or[...]

PowerBook G4 (15-inch FW800) Troubleshooting - 29 Hardware Symptom Charts A USB device not r ecognized by computer Note: If y ou are tr ying to use a ser ial de vice with a USB/Ser ial adapter , check with the manuf acturer of the adapter for compatibility . 1. Completely shut down, then press the po wer button to start the computer . 2. V erify cu[...]

30 - PowerBook G4 (15-inch FW800) Troubleshooting Hardware Symptom Charts Sound No sound heard and the Speakers section of the Sound system pr eference pane indicates that an external de vice is plugged in (to the headphone jack or USB ports) 1. If there is nothing plugged into the headphone jack or USB ports, under the Output tab of the Sound syst[...]

PowerBook G4 (15-inch FW800) Troubleshooting - 31 Hardware Symptom Charts 9. Check speak er cable . V erify left and r ight cab le connections. 10. Check with headphones or e xternal speaker , if audio is heard, replace speak er assembly . 11. Replace sound board fle x cable. 12. Replace sound board. 13. Replace the logic board. Distorted sound fr[...]

32 - PowerBook G4 (15-inch FW800) Troubleshooting Hardware Symptom Charts T rackpad The cursor does not move when y ou ar e using trackpad 1. V erify that no USB device is connected. 2. Boot from the Software Install and Restore D VD to v er ify that it is not a software problem. 3. Reset the pow er manager by pressing the ke y combination Control-[...]

PowerBook G4 (15-inch FW800) Troubleshooting - 33 Hardware Symptom Charts V ideo No display , or dim display , b ut computer appears to operate correctly 1. Remov e any connected peripherals. 2. Make sure F1 k ey is not stuc k down. 3. Press the F2 ke y (with the fn ke y pressed and not pressed) to increase the screen brightness settings. 4. Reboot[...]

34 - PowerBook G4 (15-inch FW800) Troubleshooting Hardware Symptom Charts Misc. Symptoms The Date and Time settings r eset all the time Note: Resetting the pow er manager or PRAM resets the date and time. 1. Do a backup battery test: • Set the date and time. • Perform a Shut Down from the Apple menu. • Remove the main battery and disconnect t[...]