Apple imac 17in 1ghz 服务手册
iMac (17-inch Flat Panel, 1GHz) Take Apart -
49
Power Supply
3.
Lift the power supply and metal shield out of the chassis (Faraday cage).
4.
Replacement Note:
When replacing the metal shield (see picture above) that sits on
top of the power supply, install the two shorter screws near the optical door. If the
longer screws are installed by mistake, the screws will scratch the inside of the
housing (circled below).