Apple MacBook Pro 17-inch (original, Core 2 Duo, 2.4GHz, Late 2007 CTO, Early 2008, and Late 2008) - Manual (Page 157)

MacBook Pro 17-inch (original, Core 2 Duo, 2.4/2.6GHz, 2008) Troubleshooting — General Information 157
Microphone and Camera wires
The following photo shows the microphone wires located on the left speaker, and the camera
connector located on the logic board.
Hardware Diagnostics
AppleCare offers two diagnostics for the MacBook Pro. Apple Hardware Test (AHT) is shipped
with every machine and targeted for end-users to troubleshoot their machine. Apple Service
Diagnostics (ASD) is offered to Service Providers for more in-depth troubleshooting.
Both applications are available for download from Kbase article 112125: Service Diagnostics Matrix.
Apple Hardware Test (AHT)
Apple Hardware Test (AHT) 3A105 for MacBook Pro (17-inch) •
Apple Hardware Test (AHT) 3A115 for MacBook Pro (17-inch Core 2 Duo) •
Apple Hardware Test (AHT) 3A122 for MacBook Pro (17-inch 2.4GHz) •
Apple Hardware Test (AHT) 3A135 for MacBook Pro (17-inch Early 2008) •
Note: AHT version numbers may change as diagnostics are updated.
To use Apple Hardware Test on the hard drive (MacBook Pro (17-inch Early 2008) only):
Disconnect all external devices from the computer except the power adapter. 1.
Restart the computer while holding down the D key. (Apple Hardware Test resides on its own 2.