Apple emac ati usb2 2005 Service Manual

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eMac ATI Graphics/ USB 2.0/2005 Take Apart - 59
 Down Converter
Procedure
1.
Remove the screw attaching the down converter to the chassis frame. 
2.
Turn the logic board right side up. Hold the board by the down converter (#1) and 
gently pull the chassis frame (#2) away from the board. Remove the logic board (#3) 
out of the chassis frame. Carefully maneuver the logic board out of the frame.