10 December 2007
The following chapters have been updated:
Take Apart
•The AC Power Inlet take apart procedure was removed from the service manual. The AC Power inlet is not available as a service part. It is part of the rear housing assembly. Order the rear housing if you require a new AC Power Inlet.
Troubleshooting
•Symptom Charts-->Video-->Added the iMac Graphics Firmware Update 1.0. to the existing sections mentioning “Make sure all software updates have been applied to the computer.” Whenever the video card on an iMac (24-inch Mid 2007) or iMac (20-inch Mid 2007) computer is replaced, ensure that the iMac Graphics Firmware Update 1.0 has been installed before returning the computer to the customer.
7 November 2007
The Take Apart and Troubleshooting chapters in the iMac (20-inch Mid 2007) and iMac (24-inch Mid 2007) Service Manuals have been updated in the following manner:
Take Apart
•DC Power Supply-->Replacing the AC/DC Power Supply-->Step 1: Added “Note: There are two types of power supplies and each requires a specific pressure wall. Each power supply comes with the correct pressure wall.”
•Hard Drive-->Replacing the Hard Drive-->Step 2: Added “Orient the hard drive with the circuit board side of the drive facing up.”
Right Speaker-->Removing the Right Speaker: Graphic of screw location corrected.
Troubleshooting
•Symptom Charts-->Display-->Added symptom “Black and white splotches on the LCD panel after it runs for awhile.”
•Symptom Charts-->Video, No Power, Display, System Shuts Down-->Added step to all the sections noted mentioning:“Make sure all software updates have been applied to the computer. Refer to KBase article 303903, “Intel-based iMac: Installing available updates” or to the Apple Downloads “iMac Software Update 1.2 (Tiger)” or “iMac Software Update 1.3
(Leopard).”
•Symptom Charts-->Speakers: Can’t hear sound from the speakers-->Step 4-->Verify that the speaker cable connector is securely attached to the “logic board” not the “audio board.”
iMac (24-inch Mid 2007) Take Apart — Manual Updates 8
