Apple Power Mac 073-0842 User's Manual
Contents
1. Power Mac G4 Cube Top Plate Assembly Replacement Instructions Follow the instructions in this sheet carefully Failure to follow these instructions could damage your equipment and void its warranty Note Written and video instructions covering customer installable parts are available at http Awww info apple com installparts Warning During this procedure keep small parts away from children Tools Required This procedure requires the following tools e Torx T10 screwdriver e Soft cloth Electrostatic Discharge ESD Static electricity a normal and natural phenomenon builds up on your body as you walk around You experience an electrostatic discharge ESD when you touch an object and feel a spark ESD can cause damage to the internal components of your computer To avoid ESD damage read and follow all instructions 073 0842 Rev A Removing the Computer Core From the Enclosure Warning Always shut down your computer before opening it to avoid damaging its internal components or causing injury After you shut down the computer the internal components can be very hot Let the computer cool down before continuing 1 Place your computer on a clean flat surface 2 Shut down your computer by opening the Special menu and choosing Shut Down Then 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 y2. d centered in place Figure 10 Figure 10 e e TME E AR es ee TH ETI Page per ye Power Mac G4 Cube Top Plate Assembly 8 2 Holding the core by the latch insert the core into the enclosure Figure 11 Note The core fits into the enclosure only one way Position the core so the ports are toward the back of the enclosure Figure 11 Enclosure 3 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 Figure 12 Important Do not lift or carry your computer by the core latch The enclosure could fall off the core and be damaged Figure 12 Power Mac G4 Cube Top Plate Assembly 9 4 Turn your computer upright and reconnect all cables 5 Restart your computer Warning Never turn on your 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 your computer or cause injury Apple Computer Inc 2003 Apple Computer Inc All rights reserved This document is protected under U S Copyright Law and International Treaties and no part of this document may be reproduced in any form without written permission from Apple Apple is not responsible for typographical printing or inadvertent errors Apple Computer Inc 1 Infinite Loop Cupertino CA 95014 2084 USA 1 408 996 1010 http Awww apple com Ap
3. for installation on the replacement top plate assembly Figure 5 Figure 5 LED Cover 5 Carefully lift up the top plate and disconnect the keyed connector J1 on the logic board Figure 6 SSS Plate Assembly PAL a y Figure 6 Logic Board Power Mac G4 Cube Top Plate Assembly 5 Installing the Replacement Top Plate Assembly 1 With the replacement top plate assembly in hand connect the cable from the top plate to the J1 connector on the logic board Figure 7 Warning To prevent damage to the power board ensure the keyed connector fits into the J1 connector as shown Figure 7 Keyed Side of Connector Power Mac G4 Cube Top Plate Assembly 6 2 Install the LED cover over the power button LED on the replacement top plate assembly 3 Position the top plate assembly over the core Ensure that the four metal tabs align with the four slots in the top plate and the DVD ROM panel tucks in under the lip of the top plate Figure 8 Figure 8 Top Plate DVD ROM Panel 4 Starting with the four corner screws secure the top plate to the core with all eight screws Power Mac G4 Cube Top Plate Assembly 7 Replacing the Computer Core in the Enclosure 1 Make sure that the power button gasket is secured inside the recessed area of the computer enclosure Figure 9 Figure 9 l computer might not power up Make sure the power button gasket is level an
4. our 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 Figure 1 Figure 1 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 Power Mac G4 Cube Top Plate Assembly 2 6 Turn the computer upside down and push down on the latch to release it Allow the latch to extend completely Figure 2 Figure 2 Extended Latch 7 Gently pull the core from the computer enclosure and place the core on a soft cloth Figure 3 Figure 3 Enclosure Power Mac G4 Cube Top Plate Assembly 3 Removing the Installed Top Plate Assembly 1 Press the latch in and turn over the core so the power button faces up 2 Remove the four corner screws that secure the top plate to the four vertical posts 3 Remove the four screws on the two sides The two screws that align with the vertical plates are much longer than the other screws Figure 4 Figure 4 Power Mac G4 Cube Top Plate Assembly 4 4 Lift out the LED cover that is fitted over the power button LED Set the LED cover aside
5. ple the Apple logo Mac Macintosh and the Mac logo are trademarks of Apple Computer Inc registered in the U S and other countries Power Mac is a trademark of Apple Computer Inc Power Mac G4 Cube Top Plate Assembly 10
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