Apple IMAC DV, IMAC DV SPECIAL Verifying a Defective Power/Analog/Video Board

073-0593 Rev. A

Verifying a Defective Power/Analog/Video Board

Many of the power/analog/video boards returned to Apple as “bad” or “DOA” have no

trouble found at the repair facility. It is important to verify a defective power/analog/video

board properly before ordering a replacement. Follow the steps below to verify if the issue

is due to a bad power/analog/video board or if something else is causing the problem.

• iMac (Slot Loading)

• iMac (Summer 2000)

• iMac (Early 2001)

• iMac (Summer 2001)

1. Check for bent pins on the CRT neck (see Figure 1). Remove the video board and

observe the pins on the CRT neck. Make sure all of them are straight. If the pins are

not straight, carefully attempt to straighten them with a ﬂatblade jeweler’s screwdriver

or needlenose pliers and test the board again.

Figure 1 CRT Neck Pins