Apple Powerbank G4 manuale d’uso

© 2003 Apple Computer , Inc. All rights reser ved.  Service Source PowerBook G4 (17-inch) 17 March 2003[...]

© 2003 Apple Computer , Inc. All rights reser ved.  Service Source Take Apart PowerBook G4 (17-inch)[...]

PowerBook G4 (17-inch) Take Apart - 1 General Information Over view Some ke y features that distinguish this computer from earlier P o werBook models include: • 17-inch TFT widescreen display in aluminum alloy enclosure • Built-in Bluetooth • Built-in AirPort Extreme card • Added FireWire 800 port • Uses double-data rate (DDR) memory • [...]

2 - PowerBook G4 (17-inch) Take Apart Important Notes • Memory from previous PowerBook models is not compatible with this computer. Do not use older SDRAM DIMMs or SDIMMs even if they fit into the slot. • The Bluetooth module is different from the PowerBook G4 (12-inch). • The AirPort Extreme card assembly has a flex cable glued to the card, [...]

PowerBook G4 (17-inch) Take Apart - 3 Serial Number Location The serial number is located in the batter y ba y .[...]

4 - PowerBook G4 (17-inch) Take Apart Zer o Insertion For ce Connectors Zero inser tion force (ZIF) connectors are used in se v eral locations in the computer . Important: The locking bar on the ZIF connector is e xtremely fragile and is not intended to separate from the connector . When releasing a bar , use extreme care and a restr ained light pr[...]

PowerBook G4 (17-inch) Take Apart - 5 T o connect a flex cable Make sure the loc king bar is released, then slide the end of the flex cab le all the wa y into the connector . Hold the cable in place, then slide the loc king bar into the connector on both sides to secure. Important: V erify that the cable is straight. Use either the alignment mark[...]

6 - PowerBook G4 (17-inch) Take Apart Battery Battery T ools This procedure requires the f ollowing tools: • Soft cloth 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 components can be very h[...]

PowerBook G4 (17-inch) Take Apart - 7 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. Slide both batter y [...]

8 - PowerBook G4 (17-inch) Take Apart 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 .[...]

PowerBook G4 (17-inch) Take Apart - 9 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 three screws from the memory door . Note: Check f or lost screws caught b y magnets inside the[...]

10 - PowerBook G4 (17-inch) Take Apart Memory Door and Memory Cards Note: If only one memor y card is installed, it’ s f actor y installed in the top memor y slot (nearest to outside edge of the computer). 4. T o remov e either memor y card, first release it by spreading apar t the tabs in the memor y slot from the notches in the card until the [...]

PowerBook G4 (17-inch) Take Apart - 11 Memory Door and Memory Cards 6. Align the notch in the board with the tab in the slot and inser t the replacement memor y cards at a 30-degree angle , pushing the card fir mly until fully seated. 7. Check that the notches in the card clear the tabs as y ou press down on the sides of the card to lock it into p[...]

12 - PowerBook G4 (17-inch) Take Apart Memory Door and Memory Cards 8. T o reinstall the memor y door , hold it at a low angle to the battery bay and slide it in under the back edge, then lay it flat. If the door springs up and does not lay flat without tension, remove it and reinstall at a lower angle.[...]

PowerBook G4 (17-inch) Take Apart - 13 Memory Door and Memory Cards 9. Install the memor y door screws . Note: Before securing, check that the door edge rests flush and inside the ridge. 10. Replace the batter y . 11. Use Apple System Profiler to v er ify that the memor y is recognized. (Choose the menu bar Apple logo (  ) > About This Mac, [...]

14 - PowerBook G4 (17-inch) Take Apart Top Case Top Case T ools This procedure requires the f ollowing tools: • #0 Phillips screwdriver (magnetized) • #1 Phillips screwdriver (magnetized) • Torx T8 screwdriver (magnetized) • Black stick (or other nonconductive nylon or plastic flat-blade tool) • Soft cloth • Multi-compar tment screw tra[...]

PowerBook G4 (17-inch) Take Apart - 15 Top Case Pr eliminary Steps Bef ore you begin, remov e the f ollowing: • Battery • Memory door • Lower memory card (nearest to battery bay), if present Pr ocedure Note: This procedure remov es the top case and ke yboard assembly . The k eyboard is attached to the top case and is not remov ed. 1. Place th[...]

16 - PowerBook G4 (17-inch) Take Apart Top Case 5. Locate the top case fle x cable and ZIF connector . 6. V er y carefully disconnect and remov e the cable from the connector . Important: The ZIF connector and locking bar are fragile and can easily break if too much force is used. (See “Zero Insertion Force Connectors” heading.)[...]

PowerBook G4 (17-inch) Take Apart - 17 Top Case 7. Open the displa y and place the computer on its side. 8. Remov e f our side screws from both sides.[...]

18 - PowerBook G4 (17-inch) Take Apart Top Case 9. T ur n the computer ov er . 10. Pull up on the top case along the sides and front until it releases. Note: A black stick inserted and twisted under the top case seam may be helpful.[...]

PowerBook G4 (17-inch) Take Apart - 19 Top Case Replacement Procedur e Note: If replacing the top case, remo ve the k eyboard and transf er it to the replacement top case. 1. V erify the ther mal pad shown here is in place. If not, check whether it is stuc k under the remov ed top case and replace. If not, install a new pad. 2. Visually check to v [...]

20 - PowerBook G4 (17-inch) Take Apart Top Case 3. Check perimeter wiring, where shown, to v er ify that it will not be caught or pinched by the top case during replacement. 4. Check that displa y cab le brack ets are proper ly seated and secured with screws .[...]

PowerBook G4 (17-inch) Take Apart - 21 Top Case 5. V erify that cables f or Bluetooth, AirP or t Extreme, inv er ter and power cab le from the DC-in board are routed and seated correctly in channels around the left speaker . 6. V erify that the L VDS cab le’ s metal bead fits into the metal channel (rounded side up so that its teeth secure it) a[...]

22 - PowerBook G4 (17-inch) Take Apart Top Case 7. V erify that the sleep LED wires route over the notch in the fr ame (secure with Kapton tape) and along the inside channel aw ay from the front edge so that it will not be damaged when replacing the top case. 8. On the top case, chec k cable connections and routing.[...]

PowerBook G4 (17-inch) Take Apart - 23 Top Case 9. Check that the perimeter metal tabs are not bent. Note: Do not bend the tabs; the metal quickly fatigues and can break off easily. 10. La y the top case upside down and locate the fle x cable. 11. While pulling the cable up , run a finger along its base to crease it at a 90-degree angle.[...]

24 - PowerBook G4 (17-inch) Take Apart Top Case 12. The cable should point str aight up. 13. Open the displa y to 90-degrees and tilt the computer back so it rests on the bac k of the displa y . 14. Guide the top case fle x cable through the slot between the logic board and the bottom case frame .[...]

PowerBook G4 (17-inch) Take Apart - 25 Top Case Note: F or the follo wing procedures, you will w ant to keep the top case close to the bottom case so the fle x cable will not pull out of the slot. 15. T ur n the computer to rest on the bottom case. 16. At the left front corner of the computer , inser t the top case edges into the bottom case chann[...]

26 - PowerBook G4 (17-inch) Take Apart Top Case 18. Note: If the tabs along the sides of the top case catch on the bottom case, use a narrow tool and w or k from front to back to carefully push or pull the tabs v er y slightly to help slide them into place. Important: The tabs are fragile. Do not apply too much pressure or bend them. Note: Some sid[...]

PowerBook G4 (17-inch) Take Apart - 27 Top Case Important: The top case should lay flat along the sides and top, if not, make sure that cables and components are not interfering. Also, make sure it is not held up by one of the metal tabs protruding down from the top case. Carefully bend them slightly to fit if needed. 19. Install the front and rear[...]

28 - PowerBook G4 (17-inch) Take Apart Top Case 20. Carefully close the displa y , without f orcing. If it does not close easily , reinstall the top case, chec king for cab le routing and clearances. 21. T ur n the computer ov er . 22. Check that the top case fle x cable is still through the slot. If not, use the round shaft of a small Phillips scr[...]

PowerBook G4 (17-inch) Take Apart - 29 Top Case 23. Carefully pull the locking bar of the ZIF connector out slightly . Slide the fle x cable o ver the locking bar and into the connector until it stops (the metal edge of the cab le should be parallel to the connector), then slide the loc king bar in to secure it. 24. Check for a gap , as shown belo[...]

30 - PowerBook G4 (17-inch) Take Apart Top Case 25. T o check this , inser t the flat-blade side of a b lack stic k between the displa y and top case then push tow ard the bottom case to see if the gap can be closed. If so , proceed to ne xt step. If not, remov e the top case and check the routing of the L VDS cable , then reinstall the top case. [...]

PowerBook G4 (17-inch) Take Apart - 31 Top Case 27. Install the other “shoulder” scre w in the end screw hole . 28. Install the remaining side screws . 29. Install the logic board screws . 30. Install the remaining bottom screws along the bac k edge. 31. Install the memor y door , and scre ws. 32. Install the batter y ba y screws. 33. Visually [...]

32 - PowerBook G4 (17-inch) Take Apart Keyboard Keyboard T ools This procedure requires the f ollowing tools: • #0 Phillips screwdriver • Torx T8 screwdriver (or other blunt tool, 3.5mm wide or less) • Black stick (or other nonconductive nylon or plastic flat-blade tool) Part Location Pr eliminary Steps Bef ore you begin, remov e the f ollowi[...]

PowerBook G4 (17-inch) Take Apart - 33 Keyboard Pr ocedure 1. T ur n the top case ov er , locate the ke yboard flex cab le and remov e the Kapton tape holding the cable . 2. Carefully release the locking bar of the cab le’ s ZIF connector and pull out the cable . 3. Locate and carefully peel off the insulator film ov er ke yboard screws and res[...]

34 - PowerBook G4 (17-inch) Take Apart Keyboard 4. Remov e remaining adhesive , if any , from the top case and screw heads. 5. Remov e the f our teen identical screws . 6. Star t at the power b utton side and use a blunt tool (no wider than 3.5 mm) to carefully push on the ke yboard screw bosses through the boss holes to begin to release the ke ybo[...]

PowerBook G4 (17-inch) Take Apart - 35 Keyboard 7. Continue until the k eyboard can be grasped, then carefully lift it up and guide out its fle x cable (shown belo w).[...]

36 - PowerBook G4 (17-inch) Take Apart Keyboard 8. Carefully rub off any adhesiv e residue left in the keyboard w ell and on the fiber optics.[...]

PowerBook G4 (17-inch) Take Apart - 37 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 well. 2. Remov e the protective co ver from the adhesiv e strips on the keyboard. [...]

38 - PowerBook G4 (17-inch) Take Apart Keyboard 5. If replacing the e xisting keyboard, such as during a top case replacement, secure the end of the keyboard flex cable. (The cable inserts under the ZIF connector locking bar.) 6. If installing a replacement ke yboard, first remov e the cable’ s adhesive protector , then turn the cable under itse[...]

PowerBook G4 (17-inch) Take Apart - 39 Keyboard 7. F old the cable flat and secure it’ s adhesiv e by firmly holding the left side (to prev ent cable mo vement) while sliding y our right hand fingers forward on the right side. 8. Use Kapton tape to secure the cable flat at the f old.[...]

40 - PowerBook G4 (17-inch) Take Apart Keyboard 9. V erify that the cable is still fully inser ted, straight and secure in the connector . 10. T ur n ov er the top case and inspect the left and right sides of the keyboard. Push any Mylar down along the sides of the k eyboard. 11. Reassemble the computer . 12. T esting the computer should include po[...]

PowerBook G4 (17-inch) Take Apart - 41 Hard Drive Hard Drive T ools This procedure requires the f ollowing tools: • Torx T8 screwdriver (magnetized) • #1 Phillips screwdriver (magnetized) Part Location Pr eliminary Steps Bef ore you begin, remov e the f ollowing: • Battery • Top case[...]

42 - PowerBook G4 (17-inch) Take Apart Hard Drive Pr ocedure 1. Use the tabs on the connectors to disconnect and remov e the sound board fle x cable. Note: Remove the connector from the logic board by rocking from side to side. 2. Disconnect the hard drive fle x cable . 3. Remov e the f our screws. 4. Lift out the hard drive (guide the fle x cab[...]

PowerBook G4 (17-inch) Take Apart - 43 Hard Drive 5. T ransf er brack ets, side scre ws, rubber shockpads and the fle x cable to the replacement hard drive . 6. Install the replacement hard drive , and reassemble the computer . 7. T esting the computer should include powering on, checking that the hard driv e is recognized, chec king for sound fro[...]

44 - PowerBook G4 (17-inch) Take Apart Sound Board Sound Board T ools This procedure requires the f ollowing tools: • Torx T8 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[...]

PowerBook G4 (17-inch) Take Apart - 45 Sound Board Pr ocedure 1. Disconnect the speaker wires connector and sleep LED connector . 2. Remov e the two scre ws. 3. Pull the sound board out star ting at the por ts end.[...]

46 - PowerBook G4 (17-inch) Take Apart Sound Board Replacement Note: T o pre vent damage to the sleep LED wires during top case reassembly , verify that the wires route ov er the notch in the frame (secure with Kapton tape here and ov er connector) and then along the inside channel aw ay from the front edge. 4. Install the replacement sound board, [...]

PowerBook G4 (17-inch) Take Apart - 47 SuperDrive SuperDrive T ools This procedure requires the f ollowing tools: • Torx T8 screwdriver (magnetized) • #1 Phillips screwdriver (magnetized) Part Location Pr eliminary Steps Bef ore you begin, remov e the f ollowing: • Battery • Top case[...]

48 - PowerBook G4 (17-inch) Take Apart SuperDrive Pr ocedure 1. Grasp the SuperDrive fle x cab le connector , where shown, and rock from side to side while pulling up , to disconnect it. W arning: Do not pull up on the end of the flex cable connector or the cab le may separate from the connector . 2. Remov e the f our screws. 3. Carefully lift an[...]

PowerBook G4 (17-inch) Take Apart - 49 SuperDrive 4. T ransf er the flex cab le, brac kets and scre ws to the replacement SuperDr iv e. 5. Install the replacement SuperDrive , and reassemble the computer . 6. T esting the computer should include powering on, inser ting a CD and ejecting it to make sure the driv e is aligned with the opening and fu[...]

50 - PowerBook G4 (17-inch) Take Apart Backup Battery Board Backup Battery Board T ools This procedure requires the f ollowing tools: • Torx T8 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 • [...]

PowerBook G4 (17-inch) Take Apart - 51 Backup Battery Board Pr ocedure 1. Release the two ZIF connectors and remo ve the fle x cable . 2. Remov e the three screws . 3. Install the replacement backup battery board. 4. Reassemble the computer . 5. T esting the computer should include plugging in the power adapter and letting the backup battery charg[...]

52 - PowerBook G4 (17-inch) Take Apart Modem Modem T ools This procedure requires the f ollowing tools: • 4 mm socket wrench • Needlenose pliers (helpful to reinstall hex nuts) Part Location Pr eliminary Steps Bef ore you begin, remov e the f ollowing: • Battery • Top case[...]

PowerBook G4 (17-inch) Take Apart - 53 Modem Pr ocedure 1. Disconnect the modem fle x cable. 2. Remov e the three he x nuts. 3. Lift the modem up slightly and disconnect the RJ-11 cable connector . 4. Install the replacement modem, and reassemble and test the computer .[...]

54 - PowerBook G4 (17-inch) Take Apart PC Card Cage and AirPort Extreme Assembly PC Card Cage and AirPort Extreme Assembly T ools This procedure requires the f ollowing tools: • #0 Phillips screwdriver (magnetized) • Torx T6 screwdriver (magnetized) • Black stick (or other nonconductive nylon or plastic flat-blade tool) Part Location Pr elimi[...]

PowerBook G4 (17-inch) Take Apart - 55 PC Card Cage and AirPort Extreme Assembly Pr ocedure 1. T ur n the computer ov er and remov e the r ubber gask et on the AirP or t Extreme flex cable connector and reserve f or reinstallation. Disconnect the connector . 2. T ur n the computer ov er and disconnect the PC card cage and hard drive fle x cables.[...]

56 - PowerBook G4 (17-inch) Take Apart PC Card Cage and AirPort Extreme Assembly 3. Pull out the coupling (joining the AirP or t Extreme jumper and antenna cable) from the channel in the side of the left speaker . Grasp the coupling (not the wires) at both ends and pull to separate it at the middle . 4. Remov e two Phillips scre ws and two T orx T6[...]

PowerBook G4 (17-inch) Take Apart - 57 PC Card Cage and AirPort Extreme Assembly 5. Important: The cross piece at the front end of the PC card cage is fragile. T o av oid damage, do not touch this area while maneuv ering the assembly . Lift up on the sides of the PC card cage assembly and carefully guide the AirPort Extreme card flex cable connecto[...]

58 - PowerBook G4 (17-inch) Take Apart PC Card Cage and AirPort Extreme Assembly Note: Wiggling the card from side to side slightly may help to release it. 9. If replacing the AirP or t Extreme card, pull the antenna jumper connector straight bac k to remov e it. T r ansfer the cab le extension to the replacement AirP or t Extreme card. 10. Install[...]

PowerBook G4 (17-inch) Take Apart - 59 PC Card Cage and AirPort Extreme Assembly Replacement Note: Ensure that the pin on the PC card cage eject button is secured by the hole in the cage mechanism. 11. Reassemble the computer . 12. T esting the computer should include inser ting a PC card to check that it can be lock ed in and that the eject button[...]

60 - PowerBook G4 (17-inch) Take Apart Bluetooth Bluetooth T ools This procedure requires the f ollowing tools: • Torx T6 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.[...]

PowerBook G4 (17-inch) Take Apart - 61 Bluetooth Pr ocedure 1. Release the two ZIF connectors and mo ve the fle x cable aside . 2. Disconnect the Bluetooth antenna cable . Replacement Note: Make sure the antenna cable is secured in the channel on the speaker.[...]

62 - PowerBook G4 (17-inch) Take Apart Bluetooth 3. Remov e the screw and Bluetooth board. 4. Install the replacement Bluetooth board, and reassemble the computer . 5. T esting the computer should include using Bluetooth to connect to another computer . Check the function of the DC-in port and the left USB por t.[...]

PowerBook G4 (17-inch) Take Apart - 63 Speakers Speakers T ools This procedure requires the f ollowing tools: • Torx T8 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 • Bluetooth board[...]

64 - PowerBook G4 (17-inch) Take Apart Speakers Pr ocedure Note: Lift up any Kapton tape as necessary and reser ve f or replacement. 1. Pull wires out of routing channels on the left speaker . 2. Remov e one screw on each speak er .[...]

PowerBook G4 (17-inch) Take Apart - 65 Speakers 3. Lift out speakers . 4. Deroute the speaker wires along logic board. Replacement Note: V erify proper routing of speaker cab les under securing clips. 5. Disconnect the speaker wire connector from the sound board. 6. Install the replacement speakers , and reassemble the computer . 7. T esting the co[...]

66 - PowerBook G4 (17-inch) Take Apart DC-In Board DC-In Board T ools This procedure requires the f ollowing tools: • Torx T8 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 • Left speaker[...]

PowerBook G4 (17-inch) Take Apart - 67 DC-In Board Pr ocedure 1. Disconnect the RJ-11 connector to the modem. 2. Disconnect the pow er cable on the DC-in board. 3. Remov e the two scre ws. 4. Inser t a blac k stick under the DC-in board to help guide it out.[...]

68 - PowerBook G4 (17-inch) Take Apart DC-In Board Replacement Note: Mak e sure that the replacement DC-in board includes the RJ-11 por t and ambient light sensor cov er . If not transfer them from the original board to the replacement board. The RJ-11 por t slides off the DC-in board but ma y be very tight. It ma y be helpful to pull on the por t [...]

PowerBook G4 (17-inch) Take Apart - 69 DC-In Board 5. Install the replacement DC-in board, and reassemble the computer . Note: Insert a black stick into the USB port opening to guide the board into place. 6. T esting the computer should include using Bluetooth to connect to another computer . Check the function of the modem port, DC-in por t and th[...]

70 - PowerBook G4 (17-inch) Take Apart Logic Board Logic Board T ools This procedure requires the f ollowing tools: • Torx T8 screwdriver (magnetized) • X-Acto knife with a new flat-blade • Black stick (or other nonconductive nylon or plastic flat-blade tool) • Thermal Pad Kit (076-1033) • T630 thermal gel (922-5929). Note: T o organize t[...]

PowerBook G4 (17-inch) Take Apart - 71 Logic Board Pr eliminary Steps Bef ore you begin run the computer until warm (if possible) to help soften the thermal materials on the logic board, then shut it down and remov e the f ollowing: • Battery • Top case • SuperDrive • Right speaker Pr ocedure W arning: Flexing of the logic boar d can break [...]

72 - PowerBook G4 (17-inch) Take Apart Logic Board 2. T ur n the computer ov er . Disconnect the cables shown. 3. Remov e the twelv e screws.[...]

PowerBook G4 (17-inch) Take Apart - 73 Logic Board 4. Lift the logic board from the left side and piv ot along the por t side. Note: The thermal material on the bottom side of the board may make it difficult for the board to release (verify that all the screws have been removed). Apply slow constant pressure, avoid over flexing, until it releases. [...]

74 - PowerBook G4 (17-inch) Take Apart Logic Board Replacement Procedur e W arning: Flexing of the logic boar d can break solder joints to chips. T o prevent damage to the board, guard against unnecessary flexing. Do not hold the boar d by the ports end or by the narro w neck at the fan cutout, as the boar d’ s weight can flex the board at this[...]

PowerBook G4 (17-inch) Take Apart - 75 Logic Board 2. On the back side of the logic board, remo ve the e xisting rectangular thermal pad cov ering two chips, shown belo w . Important: If the pad is not on the board, check the underside of the top case and remove. 3. F rom the Thermal Pad Kit (076-1033) install the rectangular shaped pad o ver the t[...]

76 - PowerBook G4 (17-inch) Take Apart Logic Board 4. Use a blac k stick to remo ve all the original ther mal material on the heatsink at the locations shown belo w . 5. Vigorously clean remaining residue and adhesiv e with an alcohol pad. W arning: Whenever the logic board is separated fr om the heatsink, you m ust remove all e xisting thermal mat[...]

PowerBook G4 (17-inch) Take Apart - 77 Logic Board Note: A v oid unnecessar y contact with ther mal gel or either side of ther mal pads as dir t and body oils reduce the thermal pad's conductivity . 6. F rom the Thermal Pad Kit (076-1033), center and install the square thermal pads on the heatsink as f ollows: • Smaller square pad on the lef[...]

78 - PowerBook G4 (17-inch) Take Apart Logic Board Center that side over the mating surface (raised surface) and evenly apply it, without air pockets, by lightly pressing on the protective backing of the other side. Remove the remaining protective backing. Important: With an X-Acto knife, trim any excess thermal pad material that extends beyond the[...]

PowerBook G4 (17-inch) Take Apart - 79 Logic Board 7. Apply appro ximately 0.3 to 0.5 cubic centimeter (cc) of T630 ther mal gel (922-5929) to the center of the center mating surf ace on the heatsink. (The 10 cc dispenser ma y be graduated in milliliters . Note: A milliliter (ml) is the same as a cubic centimeter (cc)). Note: To apply the thermal g[...]

80 - PowerBook G4 (17-inch) Take Apart Logic Board 8. If the logic board was remo ved to f acilitate another procedure and will be reinstalled, also remov e all the ther mal material from the corresponding chips (shown below) in the same manner . Important : Use extreme care not to damage the chips or logic board components .[...]

PowerBook G4 (17-inch) Take Apart - 81 Logic Board 9. T o replace the logic board, guide the por t side into the por t openings on the bottom case. Align the S-video por t first. Note: Use care not to catch cables under the board as it is lowered into place. 10. Attach the screws in the order sho wn. Note: The three screws replaced first have “s[...]

82 - PowerBook G4 (17-inch) Take Apart Display Panel Assembly Display Panel Assembly T ools This procedure requires the f ollowing tools: • Torx T6 screwdriver (magnetized) • Black stick (or other nonconductive nylon or plastic flat-blade tool) • 4 mm socket wrench (to install the pop-up spring torsion bar) Part Location Pr eliminary Steps Be[...]

PowerBook G4 (17-inch) Take Apart - 83 Display Panel Assembly Pr ocedure Note: During these procedures, remov e and reser v e any Kapton tape f or replacement, or replace with new tape during reinstallation. 1. Carefully disconnect the cable connectors sho wn. 2. Pull out the coupling (joining the AirP or t Extreme jumper and antenna cable) from th[...]

84 - PowerBook G4 (17-inch) Take Apart Display Panel Assembly 3. Carefully disconnect the Bluetooth cable connector . Important: Dur ing the f ollowing procedures, tak e care that the small par ts and screws do not f all inside the computer . 4. Remov e the screws that hold the wire br ackets at both sides of the clutch barrel.[...]

PowerBook G4 (17-inch) Take Apart - 85 Display Panel Assembly 5. Mov e the displa y to a 90-degree angle and remov e the two screws f or the end caps of the clutch springs on each side. Note: A 90-degree angle on the display helps to reduce the tension on the end pieces. 6. Remov e the two clutch cleat scre ws on each side of the clutch barrel. Imp[...]

86 - PowerBook G4 (17-inch) Take Apart Display Panel Assembly 7. Lift off the displa y panel and clutch barrel assembly . 8. Remov e the clutch spring end caps from both sides.[...]

PowerBook G4 (17-inch) Take Apart - 87 Display Panel Assembly 9. Remov e the two scre ws and torsion bar on each side.[...]

88 - PowerBook G4 (17-inch) Take Apart Display Panel Assembly Replacement Procedur e 1. T o reinstall the display panel assemb ly , replace the end caps onto both clutch springs. 2. At the back corners of the bottom case assembly , push the pop-up spr ing pins all the wa y back, on both sides .[...]

PowerBook G4 (17-inch) Take Apart - 89 Display Panel Assembly 3. On the clutch, push the limit stop f eet all the wa y back, on both sides. 4. Low er the display panel assemb ly straight down onto the bottom case assemb ly . 5. V erify that the limit stop feet, fit into the holes in front of the pop-up spring pins, on both sides.[...]

90 - PowerBook G4 (17-inch) Take Apart Display Panel Assembly 6. Install and tighten the screws f or the clutch cleats, on both sides . 7. Hold the displa y at a 90-degree angle and install the end cap screws on both sides .[...]

PowerBook G4 (17-inch) Take Apart - 91 Display Panel Assembly 8. T o install the pop-up torsion bars, inser t the bar so that the notch is behind the pop-up spring pin and install the first screw fur thest aw ay from the pin. 9. Then, use a sturdy he x nut driver to press the torsion bar down flat (this places tension on the pop-up spring pin) an[...]

92 - PowerBook G4 (17-inch) Take Apart Display Panel Assembly 10. Replace the wire brac ket screws on both sides . 11. The left speaker has channels for Bluetooth, AirPort Extreme, inverter and the power cable from the DC-in board. Verify that the cables are routed and reconnected correctly. 12. Reconnect the DC-in board and Bluetooth flex cable to[...]

PowerBook G4 (17-inch) Take Apart - 93 Display Panel Assembly 13. Verify that the LVDS cable’s metal bead fits into the metal channel (rounded side up so that its teeth secure it) and that the cable is secured into the channel along the right speaker. Then, reconnect the LVDS cable and verify that it does not go over the fan. 14. T o verify that [...]

94 - PowerBook G4 (17-inch) Take Apart Display Panel Assembly 15. Reassemble and test the computer . 16. 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 DC-in por t and the left USB por t.[...]

PowerBook G4 (17-inch) Take Apart - 95 Heatsink and Fan Assembly Heatsink and Fan Assembly T ools This procedure requires the f ollowing tools: • Torx T8 screwdriver (magnetized) Part Location Pr eliminary Steps Bef ore you begin, remov e the f ollowing: • Battery • Top case • Left and right speakers • Logic board • Display panel assemb[...]

96 - PowerBook G4 (17-inch) Take Apart Heatsink and Fan Assembly Pr ocedure Note: The Heatsink and f ans are one assembly part. 1. Remov e the screws and lift out the heatsink and f an assembly . Important: Do not attempt to tr ansfer f ans from one heat sink to another . This can create acoustic issues. Replacement Note: Make sure to clean e xisti[...]

PowerBook G4 (17-inch) Take Apart - 97 Bottom Case Assembly Bottom Case Assembly Part Location Pr eliminary Steps Bef ore you begin, remov e the f ollowing: • Battery • Top case • Hard drive • Sound board • SuperDrive • Backup battery board • Left and right speakers • Modem • PC card cage & AirPort Extreme assembly • DC-in b[...]

98 - PowerBook G4 (17-inch) Take Apart Bottom Case Assembly Pr ocedure When all preliminar y steps are perf or med, the bottom case is the par t that remains. V erify that the follo wing items are on the replacement bottom case, if not, transf er them from the bottom case being replaced, or install new: • EMI shields • Rubber gasket • Battery[...]

© 2003 Apple Computer , Inc. All rights reser ved.  Service Source Troubleshooting PowerBook G4 (17-inch)[...]

PowerBook G4 (17-inch) 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 signal[...]

2 - PowerBook G4 (17-inch) Troubleshooting General Information F an (right) cable (to logic board) P ow er/control for right f an Hard drive fle x cable (to logic board) Hard drive control, data, and po wer Inv er ter cable (to in ver ter board in displa y panel assembly) High v oltage for bac klight Inv er ter cable (to logic board) Displa y back[...]

PowerBook G4 (17-inch) Troubleshooting - 3 General Information P otential flex cable and connector issues. ZIF connector locking Bar The locking bar holds the fle x cable into the connector . The connector will not wor k properly if any of the f ollowing situations e xist: • The locking bar is not completely pushed into the socket on both sides[...]

4 - PowerBook G4 (17-inch) Troubleshooting General Information The cable is not secured straight. Make sure that the alignment mark, if present, or metal edge of the contacts run parallel to the connector . If the flex cab le is inser ted crooked, some signals ma y not be connected or signals ma y shor t together . Brok en connectors on the flex [...]

PowerBook G4 (17-inch) Troubleshooting - 5 General Information Cables nicked or crimped F or cables in the bottom case assembly routed along the front left edge , left side and displa y clutch areas, check whether the wire insulation has been nic ked (e xposing bare metal), se vered or crimped. If wire insulation has been nic ked b ut the wires are[...]

6 - PowerBook G4 (17-inch) Troubleshooting General Information Hardwar e T roubleshooting T ools and Tips A pple Hardwar e T est 2.0.1 (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. Pre viously , the[...]

PowerBook G4 (17-inch) Troubleshooting - 7 General Information Apple Service Diagnostic Main screen Apple Service Diagnostic Select test tab[...]

8 - PowerBook G4 (17-inch) Troubleshooting 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 pads on l[...]

PowerBook G4 (17-inch) Troubleshooting - 9 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 screwdriver) is [...]

10 - PowerBook G4 (17-inch) Troubleshooting General Information PMU NMI and 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 NMI and PMU reset. These buttons work when their pads are shor ted together (with a tool like the head of a flat blade scre wdriver). They are marked PMU NMI [...]

PowerBook G4 (17-inch) Troubleshooting - 11 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 preference [...]

12 - PowerBook G4 (17-inch) Troubleshooting 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 but not[...]

PowerBook G4 (17-inch) Troubleshooting - 13 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 the sym[...]

14 - PowerBook G4 (17-inch) Troubleshooting 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 and pow[...]

PowerBook G4 (17-inch) Troubleshooting - 15 Hardware Symptom Charts Startup The computer will not power on (no fan mov ement, hard drive 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 the batter[...]

16 - PowerBook G4 (17-inch) Troubleshooting Hardware Symptom Charts Memory error message “The b uilt-in memory test has detected an error” appears on the screen 1. Run Apple Ser vice Diagnostic T est. Note: If the failure is intermittent, r un Apple Ser vice Diagnostic T est in loop mode (check looping options under T est Controls tab and selec[...]

PowerBook G4 (17-inch) Troubleshooting - 17 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 disconnected [...]

18 - PowerBook G4 (17-inch) Troubleshooting 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 down th[...]

PowerBook G4 (17-inch) Troubleshooting - 19 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 (17-inch) computers. Confir m with the customer which adapter they were using when having this prob lem. The adapter can be identified by 65W in the n[...]

20 - PowerBook G4 (17-inch) Troubleshooting 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 chime. 3.[...]

PowerBook G4 (17-inch) Troubleshooting - 21 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. Computer[...]

22 - PowerBook G4 (17-inch) Troubleshooting 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 AirP or t[...]

PowerBook G4 (17-inch) Troubleshooting - 23 Hardware Symptom Charts Battery Battery will not eject 1. Flip ov er the unit and slide both batter y latches tow ards the back of the system, e xposing two orange labels. The latches should sta y in an open state. 2. If the batter y does not pop up , use a small plastic flat-blade tool to pry up the bat[...]

24 - PowerBook G4 (17-inch) Troubleshooting Hardware Symptom Charts 4. T r y known-good battery . If it charges , replace the batter y . If doesn’t charge, check the batter y connector and its connection to the logic board. 5. Replace the batter y connector assembly (requires remo ving the logic board). 6. T ur n off the computer . P erform the k[...]

PowerBook G4 (17-inch) Troubleshooting - 25 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 operat[...]

26 - PowerBook G4 (17-inch) Troubleshooting 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 subpix el a[...]

PowerBook G4 (17-inch) Troubleshooting - 27 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 top case fle x cable connection to the logic board (under t[...]

28 - PowerBook G4 (17-inch) Troubleshooting Hardware Symptom Charts 2. Check the k eyboard bac klight cable connection to the top case fle x cable and the top case fle x cable connection to the logic board. If the connections look good, change the top case. 3. Replace logic board. Half keyboard is illuminated. 1. Check the k eyboard bac klight ca[...]

PowerBook G4 (17-inch) Troubleshooting - 29 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 cable is[...]

30 - PowerBook G4 (17-inch) Troubleshooting 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 erify di[...]

PowerBook G4 (17-inch) Troubleshooting - 31 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, bef ore attempting to inser t 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 dam[...]

32 - PowerBook G4 (17-inch) Troubleshooting Hardware Symptom Charts P orts A USB port is not recognizing de vices 1. Completely shut down, then press the po wer button to start the computer . 2. Use Software Update system pref erences to v er ify that the latest software is installed. 3. F or USB, test por ts with an Apple ke yboard or mouse. If th[...]

PowerBook G4 (17-inch) Troubleshooting - 33 Hardware Symptom Charts 3. Make sure the cab les are fir mly attached. 4. T r y a different cab le. 5. If self pow ered make sure that the pow er supply is connected and device's LED indicates that it is getting pow er . 6. Replace logic board. Sound No sound heard and the Speakers section of the So[...]

34 - PowerBook G4 (17-inch) Troubleshooting Hardware Symptom Charts 7. Reset PRAM (Press the pow er button, then hold down the Option-Command-P-R ke ys until you hear the startup chime at least one additional time after the initial star tup chime). W arning: Resetting the PRAM will permanently remo ve a RAM disk, if present, and all of its contents[...]

PowerBook G4 (17-inch) Troubleshooting - 35 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-Option[...]

36 - PowerBook G4 (17-inch) Troubleshooting 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 the c[...]

PowerBook G4 (17-inch) Troubleshooting - 37 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 the pow[...]

38 - PowerBook G4 (17-inch) Troubleshooting Hardware Symptom Charts 8. Shut down system. 9. Replace sound board. 10. Replace logic board.[...]

© 2003 Apple Computer , Inc. All rights reser ved.  Service Source View s PowerBook G4 (17-inch)[...]

PowerBook G4 (17-inch) Exploded View - 1 K eyboard 922-5776 Clutch Spring End Cap Kit (Left & Right) 076-1029 T op Case Assemb ly 922-5778 Ambient Light Sensor Dust Cov ers (Left & Right) 076-1008 DC-in Board 922-5769 Bluetooth Board 922-5833 Speaker Assemb ly 922-5773 RJ-11 P or t Assembly 922-5775 DC-in Board Cable 922-5777 DC-in/Bluetoot[...]