Apple power mac g5 early 2005 User Manual
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146 Power Mac G5 Take Apart Compress the two latches on the sides of the front inlet fan cable connector, press the connector down through the opening in the PCI divider, and remove the cable from the divider. 5.
Power Mac G5 Take Apart 147 PCI Divider: Power Mac G5 (June 2004/Early 2005) Note: Most Power Mac G5 (June 2004/Early 2005) computers route the antenna board cables and modem filter board cable on the underside of the logic board. However, some Power Mac G5 (June 2004 Dual 1.8 GHz) computers route the antenna board and modem filter board cables on the top of the logic board. If the PCI divider in the Power Mac G5 (June 2004 Dual 1.8 GHz) you are repairing routes the cables on the top of the board, see the previous procedure for “PCI Divider: Power Mac G5.” Tools The only tools required for this procedure are a long-handled Phillips screwdriver, a short- handled Phillips screwdriver, and a hex wrench. Preliminary Steps Before you begin, open the computer, lay it on its side with the access side facing up, and remove the following: Front inlet fan assembly Heatsink cover(s) for Power Mac G5 or Heatsink cover(s) for Power Mac G5 (June 2004/Early 2005) Processor(s) for Power Mac G5 without LCS Heatsink or Processor for Power Mac G5 with LCS Heatsink All AGP and PCI cards Rear exhaust fan assembly PCI card guide Speaker/fan assembly AirPort Extreme Card (if installed) Bluetooth card (if installed) Front panel board cable Memory DIMM if it is in slot next to the power supply cable Power supply for Power Mac G5 without LCS Heatsink or Power supply for Power Mac G5 with LCS Heatsink Logic board • • • • • • • • • • • • • • • •
150 Power Mac G5 Take Apart Procedure 1. Disconnect the front inlet fan cable and the heatsink cable from the logic board. 2. Power Mac G5 (June 2004 Dual 2.5 GHz and Early 2005 Dual 2.7 GHz): Remove the heatsink cable from the cable guides on the PCI divider.
Power Mac G5 Take Apart 151 3. Remove the ambient board (shown below) from the connector on the logic board. 4. Remove the Bluetooth cable and AirPort cable from the cable guides on the PCI divider. 5. Turn the logic board over so that bottom of the board faces up. Remove the three screws that secure the PCI divider, and remove the divider from the logic board. 6. Compress the two latches on the sides of the front inlet fan cable connector, press the connector down through the opening in the PCI divider, and remove the cable from the divider.
152 Power Mac G5 Take Apart Thermistor Cable: Power Mac G5, Power Mac G5 (June 2004 Dual 1.8 GHz) Tools The only tools required for this procedure are a long-handled Phillips screwdriver, a short- handled Phillips screwdriver, and a hex wrench. Preliminary Steps Before you begin, open the computer, lay it on its side with the access side facing up, and remove the following: Front inlet fan assembly Heatsink cover(s) for Power Mac G5 or Heatsink cover(s) for Power Mac G5 (June 2004/Early 2005) Processor(s) for Power Mac G5 All AGP and PCI cards Rear exhaust fan assembly PCI card guide Speaker/fan assembly Front panel board cable Memory DIMM if it is in slot next to the power supply cable Power supply for Power Mac G5 Logic board for Power Mac G5 or Logic board for Power Mac G5 (June 2004/Early 2005) • • • • • • • • • • • • •
Power Mac G5 Take Apart 153 Part Location Procedure Disconnect the thermistor cable from the logic board. Remove the thermistor cable from the guide on the PCI divider. 1. 2.
154 Power Mac G5 Take Apart Ambient Board: Power Mac G5 (June 2004 Dual 2.0/2.5 GHz), Power Mac G5 (Early 2005 Dual 2.3/2.7 GHz) Tools No tools are required for this procedure. Preliminary Steps Before you begin, open the computer and lay it on its side with the access side facing up. Part Location
Power Mac G5 Take Apart 155 Procedure Locate the ambient board next to the speaker/fan assembly. Lift the speaker/fan assembly straight up to disengage the large tab (circled) on the side of the bracket from the channel in the sheet metal. 1. 2.