Apple PowerBook G3 Series User Manual

Service Source K Take Apart PowerBook G3 Series

Take Apart Keyboard - 9 3 Lift the bottom portion of the keyboard up slightly and pull it back to disengage the five metal tabs holding the keyboard

Take Apart 13.3" Display - 99Inverter BoardBefore you begin, remove the display housing.1 Loosen the kapton tape holding the bottom flap of the

Take Apart 13.3" Display - 1003 Lift up the right side of the board and disconnect the inverter cable underneath the inverter board.4 Disconnect

Take Apart 13.3" Display - 101Inverter Cable and ClutchBefore you begin, remove the following:• Display housing• Inverter board

Take Apart 13.3" Display - 1021 Remove the screw on the clutch and pull the clutch away from its bracket.2 Disconnect the microphone cable.Repla

Take Apart 13.3" Display - 103align the two pins to the bracket hole at the bottom and the notch at the top right of the bracket. There are two

Take Apart 13.3" Display - 104Data Cable and ClutchBefore you begin, remove the display housing.1 Remove the screw on the clutch and pull the cl

Take Apart 13.3" Display - 105of the cable will point to the left.To replace the clutch, align the two pins on the underside of the clutch to co

Take Apart 13.3" Display - 1062 Use a nylon tool or pick to push the inverter cable connector on the side of the display to the right and gently

Take Apart 13.3" Display - 107kapton tape holds the data cable in place. If it does, use the flat end of a nylon tool to loosen the tape.5 Pull

Take Apart 13.3" Display - 108BezelBefore you begin, remove the following:• Display housing• Inverter board• Inverter cable and clutch• Data cab

Take Apart Keyboard - 10 5 Disconnect the two keyboard cables. Lift up on the connectors with a pick or nylon tool and gently pull the cables up.

Take Apart 13.3" Display - 109Left and Right Display Adapter BracketsBefore you begin, remove the following:• Display housing• Inverter board• I

Take Apart 13.3" Display - 110EMI ShieldBefore you begin, remove the following:• Display housing• Inverter board• Inverter cable and clutch• Dat

Take Apart 13.3" Display - 111Replacement Note: Before fastening the EMI shield with kapton tape, lay the bezel over it to make sure none of th

Take Apart Keyboard - 11 6 Use a nylon tool to bow the two strain relief cables outward, then pull the cables up to release them.7 Lift the keyboard

Take Apart Heat Sink - 12 Heat Sink Before you begin, remove the following:• AC adapter• Expansion bay modules• Keyboard

Take Apart Heat Sink - 13 1 Use a Phillips screwdriver to remove the screw from the top of the heat sink.2 Use a Phillips screwdriver to remove the

Take Apart Heat Sink - 14 3 Lift up on the front handle and pull forward to clear the two tabs from the slots at the back of the heat sink. Replacem

Take Apart RAM - 15 RAM Before you begin, remove the following:• AC adapter• Expansion bay modules• Keyboard• Heat sink Note: There are two expansi

Take Apart RAM - 16 1 Pull the metal snaps on either side of the RAM card to the sides. The connector will tilt up.2 Pull the RAM card out. Replacem

Take Apart Clutch Cover - 17 Clutch Cover Before you begin, remove the following:• AC adapter• Expansion bay modules• Keyboard• Heat sink

Take Apart Clutch Cover - 18 1 Insert the flat end of a nylon tool into one end of the clutch cover.2 Lift up gently to pop up the clutch cover. Rep

Take Apart Tools - 1 Tools Use the following tools for procedures in this chapter:• #8 Torx driver (for most screws)• #6 Torx driver (for the PC Car

Take Apart Clutch Cover - 19 Replacement Note: Two types of replacement clutch covers are available: • The TFT clutch cover has a volume icon• The

Take Apart Display - 20 Display Before you begin, remove the following:• AC adapter• Expansion bay modules• Keyboard• Heat sink• Clutch cover

Take Apart Display - 21 Warning: The cable connectors on the inverter cable and data cable have exposed metal contacts. Use only a non-metal tool t

Take Apart Display - 22 1 Remove the four T-8 screws behind the I/O door.

Take Apart Display - 23 2 Use a nylon tool or other non-metal tool to unlock the inverter cable from the connector. Replacement Note: Align the ho

Take Apart Display - 24 4 Use a nylon tool or other non-metal tool to unlock the data cable from the connector. Replacement Note: Remove the backi

Take Apart Hard Drive - 25 Hard Drive Before you begin, remove the following:• AC adapter• Expansion bay modules• Keyboard• Heat sink

Take Apart Hard Drive - 26 1 Loosen the screw holding the hard drive bracket. Note: The screw is captured, so you will not be able to remove it com

Take Apart Hard Drive - 27 2 Pull up on the left side of the hard drive to release it from its connector.3 Pull the hard drive to the left. Replacem

Take Apart Hard Drive - 28 4 Remove the four black screws on top of the hard drive bracket.5 Remove the two black screws on the hard drive connector

Take Apart Screw Matrix - 2 Screw Matrix There are 49 screws installed in these PowerBooks, including the hard drive bracket. The number of screws i

Take Apart Hard Drive - 29 6 Remove the hard drive and hard drive insulator from the bracket.

Take Apart Modem - 30 Modem Before you begin, remove the following:• AC adapter• Expansion bay modules• Keyboard• Heat sink

Take Apart Modem - 31 1 Remove the modem screw.2 Use a nylon tool to pry the modem up from its connector.3 Lift up slightly and pull the modem to th

Take Apart Microprocessor Board - 32 Microprocessor Board Before you begin, remove the following:• AC adapter• Expansion bay modules• Keyboard• Heat

Take Apart Microprocessor Board - 33 1 Position a nylon tool under the center of the right side of the board and lift up to release it.2 Pull the mi

Take Apart Microprocessor Board - 34 computer will still function. However, over time, heat will cause the microprocessor board to lose contact and

Take Apart Top Case Assembly - 35 Top Case Assembly Procedures for removing parts from the top case assembly are detailed on the following pages.

Take Apart Top Case Assembly - 36 Top Case Before you begin, remove the following:• AC adapter• Expansion bay modules• Keyboard• Heat sink• Clutch c

Take Apart Top Case Assembly - 37 1 Remove the three screws under the clutch cover. Replacement Note: Because the screws can get lost in the case

Take Apart Top Case Assembly - 38 3 Disconnect the PMU cable.

Take Apart Screw Matrix - 312.1/13.3/14.1 inch Displays Screw MatrixBumpers (4)Top Brackets (2) Bezel Top (2) Inverter Board (1)Bezel Bottom (2)LCD

Take Apart Top Case Assembly - 39 4 Turn the case over and remove the eight screws around the perimeter of the bottom case. Replacement Caution: W

Take Apart Top Case Assembly - 40 Replacement Caution: Replace the screws in the order shown at left. Do not overtighten the screws. Using a torqu

Take Apart Top Case Assembly - 41 Replacement Note: To make sure the expansion bay flip door is aligned properly, push in on it when you replace t

Take Apart Top Case Assembly - 42 7 Disconnect the speaker cable. Replacement Note: To keep the speaker cable from getting caught in the case pla

Take Apart Top Case Assembly - 43 Keyboard Latch Before you begin, remove the top case.

Take Apart Top Case Assembly - 44 1 Lift up on the wire hook with a screwdriver and move it off the anchoring post. Replacement Note: If the wire

Take Apart Top Case Assembly - 45 latch under the retaining brackets first. Then slide the latch forward, lift up on the L-shaped wire with a screwd

Take Apart Top Case Assembly - 46 PMU Board Before you begin, remove the following:• Top case• Keyboard latch1 Remove the screw at the front of the

Take Apart Top Case Assembly - 47 2 Lift the PMU board up and use a nylon tool or other flat-blade tool to disconnect the following cables:• Backup

Take Apart Top Case Assembly - 48PMU board to the slots in the case. Then connect the cables in reverse order.

Take Apart Cables - 4 Cables Follow these guidelines when working with cables:• Ensure that all cables are routed exactly when reassembling. Use all

Take Apart Top Case Assembly - 49TrackpadBefore you begin, remove the following:• Top case• Keyboard latch• PMU board: trackpad cable only

Take Apart Top Case Assembly - 501 Remove the two screws holding the trackpad switch carrier.2 Push down on the trackpad switch carrier connector wit

Take Apart Top Case Assembly - 513 Remove the two screws on the trackpad hold down.4 Lift up on the front of the trackpad and pull it forward.Replace

Take Apart Top Case Assembly - 52 Backup BatteryBefore you begin, remove the top case.1 Disconnect the backup battery cable from the PMU board.Replac

Take Apart Top Case Assembly - 532 Lift the backup battery cable from its channeling.Replacement Note: Use the flat end of a nylon tool or other fla

Take Apart Top Case Assembly - 54Note: To fully charge the backup battery, the unit must be connected to AC power for 48 hours. Replacement Note: En

Take Apart Top Case Assembly - 55Control Buttons CableBefore you begin, remove the following:• Top case • Keyboard latch1 Disconnect the control butt

Take Apart Top Case Assembly - 562 Remove the two screws holding down the sleep reed switch along the left side.3 Remove the two screws holding the t

Take Apart Top Case Assembly - 574 Carefully bow the LED out with the flat end of a nylon tool to release it from its holding tab and pull up on the

Take Apart Top Case Assembly - 585 Disconnect the PC card eject cable.6 Gently pull up on the remaining length of the control buttons cable, working

Take Apart Expansion Bay Modules - 5 Expansion Bay Modules Before you begin, unplug the AC adapter. Caution: You must remove all modules (batteries

Take Apart Top Case Assembly - 59PC Card Eject SwitchBefore you begin, remove the top case.1 Disconnect the PC Card eject cable from the PC Card ejec

Take Apart Top Case Assembly - 60Speaker AssemblyBefore you begin, remove the following:• Top case• Control buttons cable

Take Apart Top Case Assembly - 611 Unscrew the two screws on both the left and right speaker housings.

Take Apart Top Case Assembly - 622 Release the speaker cable from its holding bracket.Replacement Note: Reroute the speaker cable in its original ch

Take Apart Top Case Assembly - 63PC Cardcage DoorBefore you begin, remove the top case.

Take Apart Top Case Assembly - 641 Remove the O-ring from its retaining hooks.

Take Apart Top Case Assembly - 652 Gently flex one half of the PC cardcage door and pull the retaining pins from their slots. 3 Repeat this procedure

Take Apart Bottom Case Assembly - 66Bottom Case AssemblyProcedures for removing parts from the bottom case assembly are detailed on the following pag

Take Apart Bottom Case Assembly - 67Power Supply and Charge CardBefore you begin, remove the top case.1 Remove the screw at the front of the power su

Take Apart Bottom Case Assembly - 683 Lift the expansion bay eject arms off their tracks and swing them away from the front of the charge card.Replac

Take Apart Expansion Bay Modules - 6 Note: If you do not wish to open the display all the way, open the display to a 90° angle. This will prevent t

Take Apart Bottom Case Assembly - 69FanBefore you begin, remove the top case.1 Pull up on the fan cable with a pick and gently disconnect the fan cab

Take Apart Bottom Case Assembly - 70Sound CardBefore you begin, remove the top case.

Take Apart Bottom Case Assembly - 71Gently press away on the case, then lift the sound card straight up.Replacement Note: Tilt the card to the left

Take Apart Bottom Case Assembly - 72I/O Logic BoardBefore you begin, remove the following:• Top case• Power supply and charge card• Fan• Sound card

Take Apart Bottom Case Assembly - 731 Unscrew the standoff located at the front of the I/O logic board. 2 Lift the expansion bay eject arms off their

Take Apart Bottom Case Assembly - 743 Hold the sides of the I/O logic board and lift up, then pull forward.Caution: Do not use the long, narrow part

Take Apart Bottom Case Assembly - 75PC Card CardcageBefore you begin, remove the following:• Top case• I/O logic board

Take Apart Bottom Case Assembly - 761 Turn the I/O logic board over and use a #6 Torx driver to remove the two long screws near the center of the boa

Take Apart Bottom Case Assembly - 773 Turn the board back over and pull up on the PC Card cardcage to release it from its double connectors.Replaceme

Take Apart Bottom Case Assembly - 78PC Card Cardcage ReplacementReplacement Caution: The PC Card cardcage must be carefully realigned for the PC Car

Take Apart Keyboard - 7 Keyboard Before you begin, remove the following:• AC adapter• Expansion bay modules

Take Apart Bottom Case Assembly - 792 Turn the I/O logic board over.3 Replace the two screws closest to the center of the I/O logic board. Tighten to

Take Apart Bottom Case Assembly - 805 Turn the I/O logic board back over and insert the alignment tool between the inner sides of the PC Card cardcag

Take Apart Bottom Case Assembly - 816 Pinching the ends of the cardcage together, turn the I/O logic board back over.

Take Apart Bottom Case Assembly - 827 Insert the final (fourth) screw. Tighten torque to 2.0 inch pounds.8 Remove the alignment tool by lifting it st

Take Apart Bottom Case Assembly - 839 Crease the foam baffle along the perforated line and attach it to the top back edge of the new PC Card cardcage

Take Apart Bottom Case Assembly - 84I/O DoorBefore you begin, remove the following:• Top case• I/O logic boardCaution: To avoid tearing the I/O wall

Take Apart Bottom Case Assembly - 85Replacement Note: Tilt the I/O bracket forward and align the four tabs to the slots at the bottom of the I/O bra

Take Apart Bottom Case Assembly - 86Replacement Note: Two types of replacement I/O doors are available: • The I/O door for the 13.3” and 14.1” displ

Take Apart Bottom Case Assembly - 87Replacement Note: Two types of replacement I/O brackets are available: • The I/O bracket for the 13.3” and 14.1”

Take Apart Bottom Case Assembly - 88Expansion Bay Eject ArmsBefore you begin, remove the top case.

Take Apart Keyboard - 8 1 Place your index fingers inside both expansion bays to locate the keyboard latches. The ribbed keyboard latches are locate

Take Apart Bottom Case Assembly - 891 Remove the black screw close to the front of the bottom case.2 Pull the spring slightly and unhook it from its

Take Apart Bottom Case Assembly - 90LockpawlBefore you begin, remove the following:• top case• expansion bay eject armPull straight up on the lockpaw

Take Apart Bottom Case Assembly - 91Expansion Bay Flip Door Before you begin, remove the top case.

Take Apart Bottom Case Assembly - 921 Use a pick to pull the springs on each side of the door to the side and out of their sockets.2 Lift off the doo

Take Apart Bottom Case Assembly - 93Modem DoorBefore you begin, remove the top case.

Take Apart Bottom Case Assembly - 941 Gently pull out on one side of the metal brackets and pull the door pins out of their holes.2 Repeat the same p

Take Apart 13.3" Display - 9513.3" DisplayTake apart procedures for the 13.3” display are detailed on the following pages. Other displays w

Take Apart 13.3" Display - 96Display HousingBefore you begin, remove the display from the bottom case. (Refer to “Display” earlier in this chapt

Take Apart 13.3" Display - 973 Insert the flat end of a nylon tool in the seam between the front and back halves of the display, at the front cu

Take Apart 13.3" Display - 985 Lay the display screen-side up and lift the bezel from the bottom to separate the two halves of the display.Cauti