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Apple imac 20 inch early 2008 User Manual

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    							iMac (20-inch Early 2008)  Take Apart — Camera Cable 171
    Attach the AC inlet ground screw to the chassis7. .
    Replace the stand.
    8.  
    Replace the h9. ard driv e
    Replace the optical fan.
    10.  
    Replace the optical driv11 . e, flex drive cable and screws, and optical drive sensor cable.
    Replace the logic board.
    12.  
    Replace the right speaker.13 . 
    Rep14.  lace the display panel.
    Replace the front bezel.
    15 .  
    Clean and replace the glass panel16.  . Note: This step is very important. Follow the procedures 
    to ensure the glass is clean and free of particles.
    Replace the access doo
    17.  r. 
    						
    							iMac (20-inch Early 2008)  Take Apart — Microphone Cable 17 2
    Microphone Cable
    Tools
    T8 torx screwdriver• 
    Preliminary Steps
    Before you begin, remove the following:
    A
    • ccess door
    Glass Pane
    • l
    F
    • ront bezel
    LCD display pane
    • l
    Speaker, righ
    • t
    Speaker, lef
    • t
    CPU fa
    • n
    Logic boar
    • d
    Power Suppl
    • y
    Hard driv
    • e
    Hard drive fa
    • n
    Hard drive SATA cabl
    • e
    Optical driv
    • e
    Optical fa
    • n
    Optical	flex	cabl• e
    Inverte
    • r
    Mechanism cove
    • r
    Stan
    • d
    Chassi
    • s 
    						
    							iMac (20-inch Early 2008)  Take Apart — Microphone Cable 17 3
    Part Location 
    						
    							iMac (20-inch Early 2008)  Take Apart — Microphone Cable 174
    Removing the Microphone Cable 
    At the top, peel back the EMI tape that grounds the exposed part of the cable to the chassis. 1. 
    Remove the three pieces of clear Kapton tape securing the cable to the rear housing.2.   
    						
    							iMac (20-inch Early 2008)  Take Apart — Microphone Cable 17 5
    Near the middle of the rear housing, remove the two T8 screws on the cable guide. 
    3.  
    						
    							iMac (20-inch Early 2008)  Take Apart — Microphone Cable 17 6
    Replacing the Microphone Cable
    Route the camera cable as shown below.1. 
    Replace the three pieces of clear Kapton tape securing the cable to the rear housing 2.   
    						
    							iMac (20-inch Early 2008)  Take Apart — Microphone Cable 17 7
    Replace the EMI tape that grounds the exposed part of the cable to the chassis.3. 
    Near the middle of the rear housing, replace the two T8 screws on the cable guide. 4. 
    Replace the pressure wall and pressure wall screws.5.  
    						
    							iMac (20-inch Early 2008)  Take Apart — Microphone Cable 17 8
    Replace the chassi6. s and screws.
    Attach the AC inlet ground screw to the chassis
    7.  .
    Replace the stand.
    8.  
    Replace the h9. ard driv e
    Replace the optical fan.
    10.  
    Replace the optical driv11 . e, flex drive cable and screws, and optical drive sensor cable.
    Replace the logic board.
    12.  
    Replace the right speaker.13 . 
    Rep14.  lace the display panel.
    Replace the front bezel.
    15 .  
    Clean and replace the glass panel16.  . Note: This step is very important. Follow the procedures 
    to ensure the glass is clean and free of particles.
    Replace the access doo
    17.  r. 
    						
    							iMac (20-inch Early 2008)  Take Apart — Hard Drive Data Cable 17 9
    Hard Drive Data Cable
    Tools
    No tools are required to remove the cable• 
    Preliminary Steps
    Before you begin, remove the following:
    A
    • ccess door
    Glass Pane
    • l
    F
    • ront bezel
    LCD display pane
    • l
    Speaker, righ
    • t
    Logic boar
    • d
    Hard driv
    • e
    Part Location 
    						
    							iMac (20-inch Early 2008)  Take Apart — Hard Drive Data Cable 180
    Removing the Hard Drive Data Cable
    Remove the tape securing the data cable to the chassis.1. 
    Lift the cable from the chassis.2.   
    						
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