Apple power mac g5 late 2004 User Manual

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 Front Panel Board
Procedure
1. Remove the connector cover from the front panel board cable.
2. Disconnect the front panel board cable from the front panel board.
3. Using a jeweler’s  flatblade screwdriver, pry up the metal cap covering the front panel 
board EMI shield. 

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 Front Panel Board 4. Using a Phillips screwdriver, remove the two front panel board mounting screws.
5. Carefully pull the board a short distance out of its EMI shield, and disconnect the 
power button cable from the board.
6. Remove the board and shield from the enclosure. 

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 Front Panel Board
Replacement Procedure
1. If you are replacing the front panel board with a new front panel board, do the 
following:
• Peel the backing off the mylar insulation for the EMI shield, and apply \
the mylar to the side of the shield, as shown.
• Peel the backing off the EMI shield gasket and apply the gasket to the b\
ottom of  the shield, making sure the openings in the gasket align with the shield\
 openings. 

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 Front Panel Board 2. Thread the power button cable through the opening in the EMI shield and connect the 
cable to the front panel board.
3. Insert the front panel board into the EMI shield, making sure the ports are fully seated  in the openings in the shield.
4. Install the front panel board and EMI shield on the inside front of the \
enclosure and  replace the two mounting screws.
5. Install the metal cap on the EMI shield. 

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 Power Button
Power Button
Tools
The only tool required for this procedure is a jeweler’s  flat-blade screwdriver.
Preliminary Steps
Before you begin, open the computer, lay it on its side with the access side facing up, and 
remove the front panel board
Part Location
Note:  The power button is located under the front panel board. 

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 Power Button
Procedure
1. Lay the computer so that the front panel is facing down.
2. Remove the black rubber cap that covers the power button LED.
3. Using a  flat-blade jeweler’s screwdriver, pry up the metal C-ring that secures the 
power button board.
4. Lift up and remove the power button board. 

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 Power Button 5. Remove the metal activation ring that lies below the power button board.
6. Remove the power button from the enclosure. 

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 Media Bay Sensor Board
Media Bay Sensor Board
Tools
The only tool required for this procedure is a  flat-blade screwdriver. 
Preliminary Steps
Before you begin, open the computer, lay it on its side with the access side facing up, and 
remove the hard drive(s).
Part Location 

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 Media Bay Sensor Board
Procedure
1. Using a  flat-blade screwdriver, carefully pry the sensor board from the frame.
Note:  Double-stick tape on the back of the board attaches it to the frame. 

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 Media Bay Sensor Board 2. Pull the board forward slightly so that you can reach the cable connector. 
Note:  The board’s cable may be taped to the frame and therefore offer some\
 
resistance. Carefully tug on the cable to release it.
3. Disconnect the media sensor board cable from the board, and remove the board from  the enclosure.
Replacement Note:  Before installing the replacement board, apply the double-stick tape 
included in the sensor board kit to the...