Manuale d’uso / di manutenzione del prodotto g4 del fabbricante Apple
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© 2003 Apple Computer , Inc. All rights reser ved. Service Source PowerBook G4 (1GHz/867MHz) 5 December 2003.
© 2002 Apple Computer , Inc. All rights reser ved. Service Source Take Apart PowerBook G4 (1GHz/867MHz).
PowerBook G4 (1GHz/867MHz) Keyboard Replacement Instructions F ollow the instructions in this sheet carefully . F ailure to follow these instructions could damage your equipment and v oid its warr anty . Note: Written and video instr uctions cov ering customer-installable par ts are av ailable at http://www .
PowerBook G4 (1GHz/867MHz) Keyboard - 2 4. Close the computer and turn it over . 5. Slide the batter y latch (Figure 1A) to the right to remov e the batter y (Figure 1B) . Removing the battery will prevent you from accidentally turning on the computer.
PowerBook G4 (1GHz/867MHz) Keyboard - 3 9. Release the ke yboard by pulling do wn on the ke yboard release tabs (located to the left of the F1 and F12 ke ys) (Figure 3) , then lift the top por tion of the ke yboard up slightly , and tow ard the display .
PowerBook G4 (1GHz/867MHz) Keyboard - 4 11. T ouch the computer’ s inside frame work (a dull gra y conductive composite material) to discharge any static electricity , as sho wn (Figure 5) .
PowerBook G4 (1GHz/867MHz) Keyboard - 5 Installing the Replacement K eyboard 1. La y the replacement ke yboard in the correct or ientation ov er the ke yboard opening, then fl ip it toward y ou and la y it face do wn on the palm rests and trackpad to e xpose its connector cable .
PowerBook G4 (1GHz/867MHz) Keyboard - 6 5. La y the ke yboard fl at into the keyboard opening. 6. Pull down on the k eyboard release tabs while pressing do wn on the top por tion of the ke yboard (Figure 9) . Release the tabs to secure the ke yboard in place.
PowerBook G4 (1GHz/867MHz) Keyboard - 7 Apple Computer , Inc. © 2002 Apple Computer , Inc. All r ights reser ved. This document is protected under U .S. Copyright Law and International T reaties, and no par t of this document may be reproduced in an y form without written per mission from Apple.
PowerBook G4 (1GHz/867MHz) Memory Card Replacement Instructions F ollow the instructions in this sheet carefully . F ailure to follow these instructions could damage your equipment and v oid its warr anty . Note: Written and video instr uctions cov ering customer-installable par ts are av ailable at http://www .
PowerBook G4 (1GHz/867MHz) Memory - 2 4. Close the computer and turn it over . 5. Slide the batter y latch (Figure 1A) to the right to remov e the batter y (Figure 1B) . Removing the battery will prevent you from accidentally turning on the computer. Warning: Removing the battery before shutting down your computer may result in data loss.
PowerBook G4 (1GHz/867MHz) Memory - 3 9. Release the ke yboard by pulling do wn on the ke yboard release tabs (located to the left of the F1 and F12 ke ys) (Figure 3) , then lift the top por tion of the ke yboard up slightly , and tow ard the display .
PowerBook G4 (1GHz/867MHz) Memory - 4 11. T ouch the computer’ s inside frame work (a dull gra y conductive composite material) to discharge any static electricity , as sho wn (Figure 5) .
PowerBook G4 (1GHz/867MHz) Memory - 5 Installing the Replacement Memory Card W arning: When handling a memor y car d, do not touc h its gold connectors. Handle the card onl y by the edges. 1. T o install the memor y card, line up the notch in the card with the small tab in the memor y slot.
PowerBook G4 (1GHz/867MHz) Memory - 6 Closing the Computer 1. Flip the ke yboard back to ward the ke yboard opening in the case. 2. Hold the ke yboard at an angle and inser t the tabs on the bottom edge of the ke yboard into the slots below the edge of the k eyboard opening.
PowerBook G4 (1GHz/867MHz) Memory - 7 6. Replace the batter y . (Figure 11) Important: Make sure that the battery locks securely into place and that the battery latch is slid all the wa y into the lock ed position. Figure 11 7. Reconnect the pow er cord and any other cables that w ere connected, and restar t y our computer .
PowerBook G4 (1GHz/867MHz) Bottom Case Replacement Instructions F ollow the instructions in this sheet carefully . F ailure to follow these instructions could damage your equipment and v oid its warr anty . Note: Written and video instr uctions cov ering customer-installable par ts are av ailable at http://www .
PowerBook G4 (1GHz/867MHz) Bottom Case - 2 4. Place a tow el or soft cloth on a table in front of you. (Figure 1A) The towel or cloth will protect the keyboard and display area of the PowerBook when you flip it over to remove the battery and bottom case.
PowerBook G4 (1GHz/867MHz) Bottom Case - 3 7. Use a T orx T8 screwdriver to remov e the se ven bottom case scre ws in the order shown. (Figure 3) Important: To avoid damaging the case, be careful that the screwdriver tip does not slip out of the screw head during removal.
PowerBook G4 (1GHz/867MHz) Bottom Case - 4 9. Piv ot the bottom case up as shown. (Figure 5) Figure 5 Installing the Replacement Bottom Case 1. T o attach the new bottom case , align the notches on the right and left sides of the case, then press down slightly to secure the case.
PowerBook G4 (1GHz/867MHz) Bottom Case - 5 3. Replace the batter y . (Figure 7) Important: Make sure that the battery locks securely into place and that the batter y latch is slid all the wa y into the lock ed position. Figure 7 4. T ur n the computer ov er .
PowerBook G4 (1GHz/867MHz) Bottom Case - 6 Apple Computer , Inc. © 2002 Apple Computer , Inc. All r ights reser ved. This document is protected under U .S. Copyright Law and International T reaties, and no par t of this document may be reproduced in an y form without written per mission from Apple.
PowerBook G4 (1GHz/867MHz) AirPort Card Replacement Instructions F ollow the instructions in this sheet carefully . F ailure to follow these instructions could damage your equipment and v oid its warr anty . Note: Written and video instr uctions cov ering customer-installable par ts are av ailable at http://www .
PowerBook G4 (1GHz/867MHz) AirPort Card- 2 4. Place a tow el or soft cloth on a table in front of you. (Figure 1A) The towel or cloth will protect the keyboard and display area of the PowerBook when you flip it over to remove the battery and bottom case.
PowerBook G4 (1GHz/867MHz) AirPort Card- 3 7. Use a T orx T8 screwdriver to remov e the se ven bottom case scre ws in the order shown. (Figure 3) Important: To avoid damaging the case, be careful that the screwdriver tip does not slip out of the screw head during removal.
PowerBook G4 (1GHz/867MHz) AirPort Card- 4 9. Piv ot the bottom case up as shown. (Figure 5) Figure 5 10. T ouch the computer’ s inside frame work (a dull gra y conductive composite material) to discharge any static electricity , as sho wn.
PowerBook G4 (1GHz/867MHz) AirPort Card- 5 Removing the Installed AirP ort Card 1. Pull back on the antenna clip (Figure 7A) to release the antenna cab le connector (Figure 7B) and allow the card to rise up slightly . 2. Pull the card from the AirP or t connector (Figure 7D) .
PowerBook G4 (1GHz/867MHz) AirPort Card- 6 Installing the Replacement AirPort Card 1. If the replacement AirP or t Card came with the AirP or t adapter (Figure 8A) , remov e the metal clip (Figure 8B) and pull the AirP or t Card (Figure 8C) from the adapter .
PowerBook G4 (1GHz/867MHz) AirPort Card- 7 4. Plug the antenna cable connector (Figure 11A) into the por t on the AirP or t Card, located just below the plastic tab (Figure 11B) . Make sure the connector is str aight bef ore inser ting it into the por t.
PowerBook G4 (1GHz/867MHz) AirPort Card- 8 Closing the Computer 1. T o attach the bottom case, align the notches on the right and left sides of the case, then press down slightly to secure the case. Check the alignment of the seven screw holes to make sure the bottom case is properly positioned.
PowerBook G4 (1GHz/867MHz) AirPort Card- 9 3. Replace the batter y . (Figure 13) Important: Make sure that the battery locks securely into place and that the batter y latch is slid all the wa y into the lock ed position. Figure 13 4. T ur n the computer ov er .
PowerBook G4 (1GHz/867MHz) AirPort Card- 10 Apple Computer , Inc. © 2002 Apple Computer , Inc. All r ights reser ved. This document is protected under U .S. Copyright Law and International T reaties, and no par t of this document may be reproduced in an y form without written per mission from Apple.
PowerBook G4 (1GHz/867MHz) Hard Drive Replacement Instructions F ollow the instructions in this sheet carefully . F ailure to follow these instructions could damage your equipment and v oid its warr anty . Note: Written and video instr uctions cov ering customer-installable par ts are av ailable at http://www .
PowerBook G4 (1GHz/867MHz) Hard Drive - 2 4. Place a tow el or soft cloth on a table in front of you. (Figure 1A) The towel or cloth will protect the keyboard and display area of the PowerBook when you flip it over to remove the battery and bottom case.
PowerBook G4 (1GHz/867MHz) Hard Drive - 3 7. Use a T orx T8 screwdriver to remov e the se ven bottom case scre ws in the order shown. (Figure 3) Important: To avoid damaging the case, be careful that the screwdriver tip does not slip out of the screw head during removal.
PowerBook G4 (1GHz/867MHz) Hard Drive - 4 9. Piv ot the bottom case up as shown. (Figure 5) Figure 5 10. T ouch the computer’ s inside frame work (a dull gra y conductive composite material) to discharge any static electricity , as sho wn.
PowerBook G4 (1GHz/867MHz) Hard Drive - 5 Removing the Installed Hard Dri ve 1. With your fi ngers , carefully pr y up the hard drive cable connector (Figure 7A) at its sides to disconnect it from the logic board. Y ou may need to pry one side, then the other , in a roc king motion.
PowerBook G4 (1GHz/867MHz) Hard Drive - 6 3. Pull up on the right side of the hard dr iv e to remove it. (Figure 9) Important: The hard drive connector cable can be carefully used to help remove the hard drive if it lifts easily. Do not pull hard on the connector cable.
PowerBook G4 (1GHz/867MHz) Hard Drive - 7 Installing the Replacement Hard Driv e W arning: T o av oid potential injury or damage, a void touc hing the thin strip of metal that extends up fr om the rib frame at the battery well. Important: A void touching the optical drive as y ou perform this procedure.
PowerBook G4 (1GHz/867MHz) Hard Drive - 8 5. Replace the hard drive mounting brac ket and secure with the scre ws. (Figure 12) Important: Check that the rubber stoppers and Mylar sheath are not pinched by the bracket. Figure 12 6. Connect the hard drive cab le connector (Figure 13) to the logic board.
PowerBook G4 (1GHz/867MHz) Hard Drive - 9 Closing the Computer 1. T o attach the bottom case, align the notches on the right and left sides of the case, then press down slightly to secure the case. Check the alignment of the seven screw holes to make sure the bottom case is properly positioned.
PowerBook G4 (1GHz/867MHz) Hard Drive - 10 3. Replace the batter y . (Figure 15) Important: Make sure that the battery locks securely into place and that the batter y latch is slid all the wa y into the lock ed position. Figure 15 4. T ur n the computer ov er .
PowerBook G4 (1GHz/867MHz) Hard Drive - 11 5. Reconnect the pow er cord and any other cables that w ere connected, and restar t y our computer . W arning: Never turn on y our computer unless all of its internal and external parts are in place and it is closed.
© 2002 Apple Computer , Inc. All rights reser ved. PowerBook G4 (1GHz/867MHz) Modem Filter Board Replacement Instructions The f ollowing instructions explain ho w to replace the modem EMI fi lter board in the P ow erBook G4 (1GHz/867MHz) computer .
PowerBook G4 (1GHz/867MHz) Modem Filter Board - 2 Pr ocedure 1. Disconnect the RJ-11 and the modem wire connectors from the modem fi lter board. 2. Remov e the T orx T8 screw.
© 2002 Apple Computer , Inc. All rights reser ved. PowerBook G4 (1GHz/867MHz) DC-In Board Replacement Instructions The f ollowing instructions explain ho w to replace the DC-in board in the P owerBook G4 (1GHz/867MHz) computer .
PowerBook G4 (1GHz/867MHz) DC-In Board - 2 Pr ocedure 1. Disconnect the DC-in board cable connector from the logic board. 2. Remov e the two T orx T6 screws. Note: The screw holding the fan securing tab may be longer than the other. 3. Guide the DC-in board out of the case.
PowerBook G4 (1GHz/867MHz) DC-In Board - 3 Replacement Note: If y ou performed a procedure that also remov ed the logic board, ensure that the pow er button cable routes up and left, to ward the center of the top case, under the DC-in board. Replacement Notes: • Install the 1 mm plastic screw shim to the replacement DC-In board.
PowerBook G4 (1GHz/867MHz) DC-In Board - 4 • When replacing the DC-in board, ensure that the secondary fan is seated properly over the pin on the rib frame, and with its securing-tab resting on top of the DC-In board. If one screw was longer, replace it through the fan’s securing-tab.
© 2002 Apple Computer , Inc. All rights reser ved. PowerBook G4 (1GHz/867MHz) Inverter Board Replacement Instructions The f ollowing instructions explain ho w to replace the inv er ter board in the P owerBook G4 (1GHz/867MHz) computer .
PowerBook G4 (1GHz/867MHz) Inverter Board - 2 Pr ocedure Important: With the bottom case remov ed, be careful if tur ning ov er the computer . Some components could become loose and f all out. 1. Disconnect the inv er ter board fl ex cab le from both the inv er ter board and logic board.
PowerBook G4 (1GHz/867MHz) Inverter Board - 3 4. Install the replacement inv er ter board onto the optical drive. 5. Reassemble and test the computer .
© 2002 Apple Computer , Inc. All rights reser ved. PowerBook G4 (1GHz/867MHz) Modem Replacement Instructions The f ollowing instructions explain ho w to replace the modem in the P owerBook G4 (1GHz/ 867MHz) computer .
PowerBook G4 (1GHz/867MHz) Modem - 2 Pr ocedure 1. With the displa y open and the ke yboard removed, locate and remo ve the EMI clip that secures the optical drive’ s fl e x cable to the rib frame .
PowerBook G4 (1GHz/867MHz) Modem - 3 4. Disconnect the inv er ter board fl ex cab le from the inv er ter board and logic board. 5. Disconnect the optical drive and modem fl e x cables from the logic board. 6. Remov e the two T6 scre ws that secure the modem.
PowerBook G4 (1GHz/867MHz) Modem - 4 8. Use a thin tool to lift the optical drive slightly , then deroute the modem fl ex cab le. 9. If the modem fl e x cable is not damaged, remov e it and transf er it to the replacement modem. 10. Install the replacement modem.
PowerBook G4 (1GHz/867MHz) Modem - 5 12. Reassemble and test the computer . Replacement Note: When reinstalling the optical drive, ensure that the bulb wire cable is safely within the case edge so that it will not get pinched by the bottom case. Important: Make sure the bottom case is installed correctly.
© 2002 Apple Computer , Inc. All rights reser ved. PowerBook G4 (1GHz/867MHz) DVD-ROM/CD-RW (Combo), DVD-R/CD-RW (Apple SuperDrive) Optical Drive Replacement Instructions The f ollowing instructions explain ho w to replace the combination D VD-R OM/CD-RW optical drive in the P o werBook G4 (1GHz/867MHz) computer .
PowerBook G4 (1GHz/867MHz) DVD-R/CD-RW & DVD-ROM/CD-RW Optical Drive - 2 Pr ocedure 1. With the displa y open and the ke yboard removed, locate and remo ve the EMI clip that secures the optical drive’ s fl e x cable to the rib frame . Set it aside f or installation of the replacement drive .
PowerBook G4 (1GHz/867MHz) DVD-R/CD-RW & DVD-ROM/CD-RW Optical Drive - 3 3. Remov e the two T8 scre ws that secure the hard dr iv e mounting brack et and remov e the brac ket. 4. Disconnect the inv er ter board fl ex cab le from the inv er ter board and logic board.
PowerBook G4 (1GHz/867MHz) DVD-R/CD-RW & DVD-ROM/CD-RW Optical Drive - 4 6. Disconnect the bulb wire cab le from the inv er ter board. 7. Remov e the f our T6 screws that secure the modem and the in ver ter board and remov e the inv er ter board.
PowerBook G4 (1GHz/867MHz) DVD-R/CD-RW & DVD-ROM/CD-RW Optical Drive - 5 9. Use a thin tool to lift the optical drive slightly , then deroute the modem fl ex cab le. 10. W arning: T o prevent damage to the optical drive, handle the drive only b y the corners.
PowerBook G4 (1GHz/867MHz) DVD-R/CD-RW & DVD-ROM/CD-RW Optical Drive - 6 Peel off the felt strip from the inner top case. If there is any residual adhesive on the top case, rub it away. Apply the new felt strip to the slot-load area. Make sure the new felt strip lies flat.
PowerBook G4 (1GHz/867MHz) DVD-R/CD-RW & DVD-ROM/CD-RW Optical Drive - 7 14. Reassemble and test the computer . Important: Make sure the bottom case is installed correctly. If the slot-load area is slightly bowed, carefully pull the bottom edge of the slot until it clicks into place and becomes flush with the bottom case.
© 2002 Apple Computer , Inc. All rights reser ved. PowerBook G4 (1GHz/867MHz) Backup Battery Replacement Instructions The f ollowing instructions explain ho w to replace the backup battery in the P owerBook G4 (1GHz/867MHz) computer .
PowerBook G4 (1GHz/867MHz) Backup Battery - 2 Pr ocedure 1. Disconnect the backup battery cable from the bac kup batter y . Note: If the cable connector gets caught on the ridged area of the top case, use a black stick to raise up the backup battery and then disconnect the cable.
PowerBook G4 (1GHz/867MHz) Backup Battery - 3 3. If there is any adhesiv e left on the surf ace of the inner top case, use a blac k stick to rub it awa y . Do not use solvents . Note: When installing the replacement backup battery, make sure the inner top case is clean and free of debris.
© 2002 Apple Computer , Inc. All rights reser ved. PowerBook G4 (1GHz/867MHz) Logic Board Replacement Instructions The f ollowing instructions explain ho w to replace the logic board in the P owerBook G4 (1GHz/867MHz) computer .
PowerBook G4 (1GHz/867MHz) Logic Board - 2 Pr ocedure 1. With the displa y open and the keyboard remo ved, remo ve the T8 screw near the heat pipe. 2. Disconnect the PC card fl e x cable connector and the ke yed battery connector . Important: If the battery connector has not been disconnected before, the keyed connector may be tight.
PowerBook G4 (1GHz/867MHz) Logic Board - 3 3. Disconnect the 3-pin backup battery connector from the logic board. 4. Remov e the items listed in Preliminar y Steps, to be remo ved in step 4. Important: With the bottom case removed, be careful when turning over the computer.
PowerBook G4 (1GHz/867MHz) Logic Board - 4 5. W arning: The thin cables connected to the L VDS (low v oltage data signal) connector are extremel y delicate . Do not pull or pinch the L VDS cables. Be especially careful when w orking near cables that attach to the displa y .
PowerBook G4 (1GHz/867MHz) Logic Board - 5 6. At the right side of the logic board, disconnect the 2-pin power b utton cable connector , the DC-in board cable connector , and the inv er ter board and modem fl e x cable connectors. 7. Disconnect the trac kpad, hard dr iv e and optical dr ive fl e x cab le connectors.
PowerBook G4 (1GHz/867MHz) Logic Board - 6 8. Remov e the T8 screw on the edge of the logic board near the battery well. Important: Install this screw first when installing the replacement logic board. This screw helps the logic board align properly to the rib frame.
PowerBook G4 (1GHz/867MHz) Logic Board - 7 10. Remov e the fi ve identical (bronz e colored) T8 screws . Note: When reassembling the computer, do not overtighten the screws.
PowerBook G4 (1GHz/867MHz) Logic Board - 8 11. Grasp the logic board near the AirP ort Card carr ier and gently lift the board up , as shown belo w , being careful where it catches on por ts, bac k panel mesh liner , and disconnected cables . If necessary, open the panel door and press on the ports to free the logic board from the back panel.
PowerBook G4 (1GHz/867MHz) Logic Board - 9 12. Remov e e xisting memor y cards from the logic board for installation on the replacement logic board. Carefully spread the end br ackets to allo w the card to raise up , then pull out.
PowerBook G4 (1GHz/867MHz) Logic Board - 10 13. T ransf er the follo wing from the old logic board to the replacement logic board: • AirPort card carrier • RJ-11 port • U-shaped EMI clip between.
PowerBook G4 (1GHz/867MHz) Logic Board - 11 14. Install the f ollowing onto the replacement logic board: • Primary fan • EMI gaskets to the USB ports, FireWire port, DVI-I port, and headphone port.
PowerBook G4 (1GHz/867MHz) Logic Board - 12 • Rectangular plastic standoffs around the chips on the underside of the replacement logic board. Note: If openings are present in the standoffs, position them where shown by circles, below.
PowerBook G4 (1GHz/867MHz) Logic Board - 13 • Plastic 1 mm and 1.5 mm washers around the screw holes, shown. Center and press into place..
PowerBook G4 (1GHz/867MHz) Logic Board - 14 15. Check that the heat e xchanger has three rectangular thermal interface pads in place . If the pads are missing or damaged, replace the heat e xchanger .
PowerBook G4 (1GHz/867MHz) Logic Board - 15 17. Important: If you ha ve remov ed the logic board to access another par t, and you will be placing the original logic board back in the computer , use a b lack stic k to gently scrape a wa y any residual thermal transfer material from the microprocessor chip on the logic board.
PowerBook G4 (1GHz/867MHz) Logic Board - 16 19. Remov e the new Ethernet label from the area inside the memor y card brack ets, peel off the adhesiv e protector and attach the label, right side up, over the Ethernet ID and bar code on the ID plate inside the batter y well.
PowerBook G4 (1GHz/867MHz) Logic Board - 17 20. Install the replacement logic board, and reassemble the computer . Replacement Note: When replacing the logic board, the RJ-11 cable and backup battery .
© 2002 Apple Computer , Inc. All rights reser ved. PowerBook G4 (1GHz/867MHz) Primary Fan Replacement Instructions The f ollowing instructions explain ho w to replace the pr imar y f an in the P owerBook G4 (1GHz/867MHz) computer .
PowerBook G4 (1GHz/867MHz) Primary Fan - 2 Pr ocedure 1. With the logic board remov ed from the computer , disconnect the f an connector from the logic board. 2. T ur n ov er the logic board, and locate the cone-shaped pin at the right cor ner of the f an.
PowerBook G4 (1GHz/867MHz) Primary Fan - 3 3. T ur n ov er the logic board, then tilt up the fan to remo ve it completely from the logic board. Note: The f an is secured to the logic board by adhesiv e. Rub off any remaining adhesiv e from the logic board.
© 2002 Apple Computer , Inc. All rights reser ved. PowerBook G4 (1GHz/867MHz) Secondary Fan Replacement Instructions The f ollowing instructions explain ho w to replace the secondar y fan in the P owerBook G4 (1GHz/867MHz) computer .
PowerBook G4 (1GHz/867MHz) Secondary Fan - 2 Pr ocedure 1. Remov e the T6 screw from the f an brac ket. 2. Disconnect the f an’ s connector from the logic board while removing the logic board.
© 2002 Apple Computer , Inc. All rights reser ved. PowerBook G4 (1GHz/867MHz) PC Card Cage Replacement Instructions The f ollowing instructions explain ho w to replace the PC card cage in the P owerBook G4 (1GHz/867MHz) computer .
PowerBook G4 (1GHz/867MHz) PC Card Cage - 2 Pr ocedure 1. Remov e the two scre ws that attach the PC card cage to the r ib frame. (The longer screw is ne xt to the battery connector .
PowerBook G4 (1GHz/867MHz) PC Card Cage - 3 3. Check that the replacement PC card cage includes a clear plastic shim on the outer frame near the PC card eject b utton. If the shim is not there, tr ansfer the shim from the old PC card cage to the replacement PC card cage.
© 2002 Apple Computer , Inc. All rights reser ved. PowerBook G4 (1GHz/867MHz) Rib Frame and Heat Exchanger Replacement Instructions The f ollowing instructions explain ho w to replace the r ib frame and the heat e xchanger in the P ow erBook G4 (1GHz/867MHz) computer .
PowerBook G4 (1GHz/867MHz) Rib Frame and Heat Exchanger - 2 Pr ocedure 1. With the displa y open and the keyboard remo ved, remo ve the fi v e identical T8 screws from the top case. 2. Remov e the items listed in Preliminar y Steps, to be remo ved in step 2.
PowerBook G4 (1GHz/867MHz) Rib Frame and Heat Exchanger - 3 5. Close the computer to an appro ximate 45-degree angle, and stand it on a soft cloth with the clutch cov ers f acing up. 6. Remov e the f our identical T8 screws from the clutch cov ers (two scre ws on each clutch cov er).
PowerBook G4 (1GHz/867MHz) Rib Frame and Heat Exchanger - 4 8. Open the computer so that the displa y rests in your lap and is protected by a soft cloth. 9. W arning: Be especially careful when w orking near cables that attach to the display . If an y of these cables are damaged, the entire display module m ust be replaced.
PowerBook G4 (1GHz/867MHz) Rib Frame and Heat Exchanger - 5 10. At the right clutch, note the routing of the inv er ter cable. Without straining the inv er ter cable , gently mov e it aside so you can access the two large silv er-colored screws .
PowerBook G4 (1GHz/867MHz) Rib Frame and Heat Exchanger - 6 13. Remov e the f our r ib frame scre ws. Three are identical black T8 screws, the f or th is a longer chrome T8 and also secures the heat e xchanger alignment brack et to the end of the heat e xchanger .
PowerBook G4 (1GHz/867MHz) Rib Frame and Heat Exchanger - 7 15. Disconnect the audio cable at each end of the heat e xchanger ..
PowerBook G4 (1GHz/867MHz) Rib Frame and Heat Exchanger - 8 16. Piv ot the heat exchanger out of the top case assemb ly . Be careful where it might catch at the L VDS cable. W arning: At the left clutch, the wrapped cable connected to the LVDS connector is extremely delicate.
PowerBook G4 (1GHz/867MHz) Rib Frame and Heat Exchanger - 9 17. If replacing the rib frame but reusing the heat e xchanger , scrape off the thermal transf er material residue from the area shown. Apply ne w ther mal transf er mater ial to the logic board chip .
© 2002 Apple Computer , Inc. All rights reser ved. PowerBook G4 (1GHz/867MHz) Bulb Wire Cable Replacement Instructions The f ollowing instructions explain ho w to replace the bulb wire cab le in the P owerBook G4 (1GHz/867MHz) computer .
PowerBook G4 (1GHz/867MHz) Bulb Wire Cable - 2 Pr ocedure Important: With the bottom case remov ed, be careful if tur ning ov er the computer . Some components could become loose and f all out. Note: Remov e any kapton tape as needed and replace during reassembly .
PowerBook G4 (1GHz/867MHz) Bulb Wire Cable - 3 Replacement Note: After reconnecting the bulb wire , ensure that the bulb wire cab le is saf ely tuck ed within the case edge so that it will not get pinched by the bottom case. 4. Reassemble and test the computer .
© 2002 Apple Computer , Inc. All rights reser ved. PowerBook G4 (1GHz/867MHz) I/O Door Replacement Instructions The f ollowing instructions explain ho w to replace the I/O door in the P owerBook G4 (1GHz/867MHz) computer .
PowerBook G4 (1GHz/867MHz) I/O Door - 2 Pr ocedure 1. Using needle nose pliers, pull off the rubber plugs at each end of the door . Remov e the springs, and set aside the plugs and springs. Important: Be very careful not to damage or bend the heat exchanger pipes.
© 2002 Apple Computer , Inc. All rights reser ved. PowerBook G4 (1GHz/867MHz) Display Module Replacement Instructions The f ollowing instructions explain ho w to replace the display module on the P owerBook G4 (1GHz/867MHz) computer .
PowerBook G4 (1GHz/867MHz) Display Module - 2 Pr ocedure 1. With the rib frame and heat e xchanger removed, mak e sure • The display is supported on a soft cloth in front of the top case • The display cables are not strained W arning: Be especially careful when w orking near cables that attach to the display .
PowerBook G4 (1GHz/867MHz) Display Module - 3 3. Thread the 2-pin LED sleep cable through the opening in the top case . Carefully guide the LVDS cable through the opening by looping the cable and turning the LVDS connector sideways, as shown, to fit through the opening.
PowerBook G4 (1GHz/867MHz) Display Module - 4 6. Important: When the replacement display module is installed, and bef ore the clutch cov ers are installed, test that the displa y is seated proper ly . With the computer upr ight and closed, press the computer latch.
© 2002 Apple Computer , Inc. All rights reser ved. PowerBook G4 (1GHz/867MHz) Top Case Replacement Instructions The f ollowing instructions explain ho w to replace the top case in the P owerBook G4 (1GHz/867MHz) computer .
PowerBook G4 (1GHz/867MHz) Top Case - 2 Pr ocedure 1. With the preliminar y steps completed, compare the original top case to the replacement top case.
PowerBook G4 (1GHz/867MHz) Top Case - 3 4. Con fi r m that the thermal str ip and mesh liners are installed at the back panel. 5. Important: Make sure y ou transfer the bac kup batter y cable from the original top case to the replacement top case.
© 2002 Apple Computer , Inc. All rights reser ved. Service Source Troubleshooting PowerBook G4 (1GHz/867MHz).
PowerBook G4 (1GHz/867MHz) Troubleshooting - 1 Startup Symptom Charts Symptom Charts How to Use the Symptom Charts The Symptom Charts included in this chapter will help you diagnose specific symptoms related to the product. The steps to solve a symptom are listed sequentially.
PowerBook G4 (1GHz/867MHz) Troubleshooting - 2 Startup Symptom Charts 6. With a non-metallic tool, reset the pow er manager by pressing the reset button (located under the ke yboard in the recess just left of the power b utton). W ait fi ve seconds bef ore continuing.
PowerBook G4 (1GHz/867MHz) Troubleshooting - 3 Startup Symptom Charts Flashing question mark appears on the screen 1. Star t up from the software install and restore disc that came with the computer (hold down the "C" k ey during restar t). 2.
PowerBook G4 (1GHz/867MHz) Troubleshooting - 4 Startup Symptom Charts 4. Make sure system is not o ver heating, the air v ents are clear and unit is not on soft surf ace. 5. Check that the f an cab le is connected and the fan is operational. 6. Check that the heat e xchanger is properly attached to the processor .
PowerBook G4 (1GHz/867MHz) Troubleshooting - 5 Error Beeps Symptom Charts At startup, a dialog box comes up stating: “ker nel panic” in Mac OS X or “Built-in memory test has detected an error” in Mac OS 9 1. If there are two RAM cards installed in the e xpansion slots, remo ve top card and restar t.
PowerBook G4 (1GHz/867MHz) Troubleshooting - 6 AirPort Card Symptom Charts 3. If a RAM card is not installed in the upper e xpansion slot, replace RAM in lower RAM slot with known-good and compatib le RAM card and restar t. • If symptom repeats, replace logic board.
PowerBook G4 (1GHz/867MHz) Troubleshooting - 7 Battery Symptom Charts The battery won't charge 1. Remov e any e xter nally connected peripherals. 2. T r y known-good pow er outlet. 3. Connect known-good P owerBook (1GHz/867MHz) pow er adapter (661-1798) and pow er cord or plug; make sure the DC plug is fi rmly inser ted.
PowerBook G4 (1GHz/867MHz) Troubleshooting - 8 Battery Symptom Charts Display Display latch not working Note: When the displa y is being closed, a latch hook in the top of the display housing should be magnetically pulled down through the slot in the top case and secured b y the latch mechanism.
PowerBook G4 (1GHz/867MHz) Troubleshooting - 9 Battery Symptom Charts 5. If the number of subpix el anomalies is acceptable , explain to the customer that the pix el anomalies are within speci fi cations, and no repair is necessar y . Important: Do not release the speci fi cations to customers.
PowerBook G4 (1GHz/867MHz) Troubleshooting - 10 Hard Drive Symptom Charts Hard Driv e Internal hard dri ve will not initialize If in Mac OS X: 1. Star t up from the software install and restore disc that came with the computer (hold down the "C" k ey during restar t).
PowerBook G4 (1GHz/867MHz) Troubleshooting - 11 Modem Symptom Charts Modem No modem dial tone 1. Check that the correct modem is selected. In Mac OS X, check Network Setup . In Mac OS 9, check the Modem control panel. 2. V erify known-good analog (not digital) telephone line.
PowerBook G4 (1GHz/867MHz) Troubleshooting - 12 PC Card Symptom Charts The disc icon does not show up on desktop, or a dialog box appears to initialize disc, when inserting a read-only disc 1. V erify the correct type of disc is being used. 2. Note: Some brands of 24x or 32x CD-R media ma y not work with the SuperDrive.
PowerBook G4 (1GHz/867MHz) Troubleshooting - 13 Ports Symptom Charts P orts The FireW ire or USB port is not r ecognizing devices 1. Completely shut down, then press the po wer button to start the computer .
PowerBook G4 (1GHz/867MHz) Troubleshooting - 14 Sound Symptom Charts Sound No sound heard and the Speakers section of the Sound contr ol panel indicates that an external de vice is plugged in (to the headphone jack or USB ports) 1.
PowerBook G4 (1GHz/867MHz) Troubleshooting - 15 Video 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).
PowerBook G4 (1GHz/867MHz) Troubleshooting - 16 Misc. Symptoms Symptom Charts 7. Replace inv er ter board. 8. Replace displa y assembly . 9. Replace logic board. Computer appears to work, b ut no video on external de vice connected to the TV out port (S-video out port) 1.
PowerBook G4 (1GHz/867MHz) Troubleshooting - 17 Misc. Symptoms Symptom Charts The Date and Time settings r eset all the time Note: Resetting the power 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 or Special menu.
PowerBook G4 (1GHz/867MHz) Troubleshooting - 18 Misc. Symptoms Symptom Charts 5. If no sound as well as microphone is not working, v er ify cable connections . 6. Replace top case. During startup boot sequence and bef ore r eaching Finder , the f ollowing dialog box appears: “The built-in memory test has detected an err or” 1.
© 2002 Apple Computer , Inc. All rights reser ved. This sheet shows the scre ws used in the P o werBook G4 (1GHz/867MHz) computer and indicates the replacement procedure where first remov ed. T o see where the screws are located in the computer , refer to the "P o werBook G4 (1GHz/867MHz) Screw Locator .
© 2002 Apple Computer , Inc. All rights reser ved. One T orx T8, 4.5 mm long T wo identical T orx T8, 9.3 mm long Modem Filter Board Se ven identical T orx T8, 8 mm long Bottom Case F our identical (blac k) T orx T8, 4.
PowerBook G4 (1GHz/867MHz) Screw Locator - 2 Secondar y F an One T orx T6, 5.12 mm long DC-In Board One T orx T6, 4.15 mm long In ver ter Board T wo T orx T6, 4.
PowerBook G4 (1GHz/867MHz) Screw Locator - 3 Logic Board One T orx T8, 4.5 mm long (A) - One T orx T8, 5 mm long (B) - One T orx T8, 5.2 mm long Three T orx T8, 4.
PowerBook G4 (1GHz/867MHz) Screw Locator - 4 Rib F rame and Heat Exchanger PC Card Cage F our identical T orx T8, 5.2 mm long (C) - One 4 mm He x Nut One 5 mm He x Screw , magnetic, (accessed from k eyboard opening) (B) - One T orx T8, 6.5 mm long (A) - One T orx T8, 5.
PowerBook G4 (1GHz/867MHz) Screw Locator - 5 Three identical (Black) T orx T8, 9.5 mm long (A) - One (Chrome) T orx T8, 10 mm long T wo identical T orx T8, 16.
© 2002 Apple Computer , Inc. All rights reser ved. Hard Drive Screw 922-4502 Hard Drive Rubber Stopper Hard Drive Fle x Cable 922-4378 Bottom Case 922-5443 Battery 661-2740 Hard Drive Mounting Brac k.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Apple g4 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Apple g4 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Apple g4 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Apple g4 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Apple g4, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Apple g4.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Apple g4. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Apple g4 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.