Service Source Power Mac G4 Cube
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Service Source Power Mac G4 Cube Updated October 7, 2002 © 2002 Apple Computer, Inc. All rights reserved. Service Source Take Apart Power Mac G4 Cube © 2002 Apple Computer, Inc. All rights reserved. General Instructions Tools The following tools are recommended for the Take Apart procedures: • ESD wriststrap and mat • Flat -blade screwdriver • Magnetized Phillips screwdriver • Torx T8 screwdriver • Torx T10 screwdriver • Pliers • Jeweler’s Phillips screwdriver • Black stick (or other nonconductive plastic or nylon tool) Note: To organize the screws you remove from the assembly, use a tray with divided compartments (such as a plastic ice cube tray). Serial Number Location In this computer, the product serial number is located on the base near the computer latch. General Instructions Power Mac G4 Take Apart - 1 Computer Enclosure Tools No tools are required for this procedure. Preliminary Steps Before you begin, turn off the computer. Procedure Warning: Always turn off the computer before opening it to avoid damaging its internal components. 1. Place the computer on a clean, flat surface. 2. Shut down the computer, and wait five minutes for the computer’s internal components to cool down. 3. Unplug all cables from the computer except the power cord. Note: If you have never plugged in the computer, connect the computer’s power cord and plug it in. 4. Turn the computer on its side on a soft, clean cloth, and ground yourself by touching the bare metal between the video ports. Touch Bare Metal 2 - Power Mac G4 Take Apart Computer Enclosure Important: To avoid electrostatic discharge, always ground yourself by touching the bare metal before you touch any parts or install any components inside the computer. To avoid static electricity building back up in your body, do not walk around the room until you have completed the installation and closed the computer. 5. Unplug the power cord. 6. Turn the computer upside down, and push down on the latch to release it. Allow the latch to extend completely. Latch Extended Latch 7. Gently pull the core from the computer enclosure and place the core on a soft cloth. Core Enclosure Computer Enclosure Power Mac G4 Take Apart - 3 8. Holding the core by the latch, insert the core into the replacement enclosure. Note: The core fits into the enclosure only one way. Position the core so the ports are toward the back of the enclosure. Core Enclosure 9. With a flat hand, press down on the latch until it locks into place. Firmly press the core to ensure it is fully secured within the enclosure. Important: Do not lift or carry your computer by the core latch. The enclosure could fall off the core and be damaged. Latch 10. Turn the computer upright and reconnect all cables. Warning: Never turn on the computer unless all of its internal and external parts are in place and it is closed. Operating the computer when it is open or missing parts can damage the computer or cause injury. 4 - Power Mac G4 Take Apart Computer Enclosure Battery Tools No tools are required for this procedure. Preliminary Steps Before you begin, remove the computer core from the enclosure. Procedure 1. Note the orientation of the installed battery’s positive (+) end. (Positive and negative signs are also marked on the battery holder.) 2. Use your finger to gently pry the battery out of the holder and out of the computer. Warning: Batteries contain chemicals, some of which may be harmful to the environment. Please dispose of used batteries according to your local environmental laws and guidelines. Do not return used batteries to Apple. Positive End Battery 3. Insert the replacement battery into the holder, making sure the battery’s positive and negative signs align with those on the holder. Warning: Installing the battery incorrectly may cause an explosion. Be sure the battery’s positive and negative poles are correctly oriented in the holder. Use Battery Power Mac G4 Take Apart - 5 only the battery supplied. 4. Reassemble and test the computer. Warning: Never turn on the computer unless all of its internal and external parts are in place and it is closed. Operating the computer when it is open or missing parts can damage the computer or cause injury. 6 - Power Mac G4 Take Apart Battery Power Button Gasket Tools No tools are required for this procedure. Preliminary Steps Before you begin, remove the computer core from the enclosure. Power Button Gasket Power Mac G4 Take Apart - 7 Procedure 1. Place your hand in the computer enclosure and lift out the installed gasket. Gasket Enclosure 2. Insert the replacement power button gasket into the recessed area that encircles the power button. 3. Press the gasket into place to ensure that it is secure. 4. Reassemble and test the computer. Warning: Never turn on the computer unless all of its internal and external parts are in place and it is closed. Operating the computer when it is open or missing parts can damage the computer or cause injury. 8 - Power Mac G4 Take Apart Power Button Gasket AirPort Card Tools No tools are required for this procedure. Preliminary Steps Before you begin, remove the computer core from the enclosure. Procedure 1. Disconnect the coaxial antenna cable from the port on the end of the AirPort Card. 2. Pull the plastic tab on the end of the AirPort Card to release the AirPort Card from the PCI card connector. AirPort Card AirPort Card Connector AirPort Pull Tab Antenna Port on Antenna AirPort Card Cable 3. Insert the replacement AirPort Card through the opening in the PCI card guide and into the connector on the logic board. 4 Carefully attach the coaxial antenna cable to the port on the end of the AirPort Card. AirPort Card Power Mac G4 Take Apart - 9 Note: The antenna cable might be stowed on the side of the PCI card guide. Do not bend or crimp the cable tightly. 5. Reassemble and test the computer. Warning: Never turn on the computer unless all of its internal and external parts are in place and it is closed. Operating the computer when it is open or missing parts can damage the computer or cause injury. 10 - Power Mac G4 Take Apart AirPort Card Memory (DRAM DIMM) Tools No tools are required for this procedure. Preliminary Steps Before you begin, remove the computer core from the enclosure. Procedure 1. If provided, attach the grounding wrist strap included with the replacement memory. 2. Push down the ejectors on the slot of the DIMM you want to replace. Note: The slot might have one or two ejectors. 3. Lift the DIMM out of the computer. Warning: When removing or installing the DIMM, do not touch its connectors. Handle the DIMM only by the edges. DRAM DIMM Connectors Ejector DRAM Slot Memory (DRAM DIMM) Power Mac G4 Take Apart - 11 4. Remove the replacement DIMM from its static-proof bag, taking care not to touch the connectors or chips. 5. Align the replacement DIMM in the DIMM slot. Press the DIMM down firmly until you feel it securely attach to the slot, and the ejectors lock it into place. 6. Reassemble and test the computer. Warning: Never turn on the computer unless all of its internal and external parts are in place and it is closed. Operating the computer when it is open or missing parts can damage the computer or cause injury. 12 - Power Mac G4 Take Apart Memory (DRAM DIMM) ATA Hard Drive Tools This procedure requires the following tools: • Flat-blade screwdriver • Torx T8 screwdriver • Phillips screwdriver Preliminary Steps Before you begin, remove the following: • Computer core from enclosure • AirPort Card, if installed Procedure 1. Press and hold the door latch, and then open the AirPort shield door. Door Latch ATA Hard Drive Power Mac G4 Take Apart - 13 2. With the AirPort shield door open, pull the tab to disconnect the ATA ribbon cable connector from the hard drive. 3. Disconnect the power cable connector from the hard drive. (You might need to use a flat-blade screwdriver to pry up and loosen the connector.) Pull Tab Connector Connector Door 14 - Power Mac G4 Take Apart ATA Hard Drive 4. Push in the core latch, and reposition the computer chassis so you can access the heatsink and hard drive. 5. Loosen, but do not remove, the three captive screws at the heatsink. 6. Lift up the loosened heatsink, and slide the hard drive out of the carrier. Screws Heatsink Hard Drive 7. Position the replacement drive on the drive carrier so that the ribbon cable and power cable connectors align with the slots at the end of the carrier. 8. Lift up the heatsink, and slide in the drive. 9. Align the heatsink fins to the opposite heatsink fins. Tighten the three captive screws. ATA Hard Drive Power Mac G4 Take Apart - 15 10. Reconnect the power cable connector and the ATA ribbon cable connector to the drive. Pull Tab Connector Connector Door 11. Close the AirPort shield door, and press it down so the door latch engages. Door Latch 12. Reinstall the AirPort Card, if applicable. 13. Reassemble and test the computer. Warning: Never turn on the computer unless all of its internal and external parts are in place and it is closed. Operating the computer when it is open or missing parts can damage the computer or cause injury. 16 - Power Mac G4 Take Apart ATA Hard Drive Top Plate Assembly with Power Button Gasket Tools The only tool required for this procedure is a Torx T10 screwdriver. Preliminary Steps Before you begin, remove the computer core from the enclosure.