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Introduction
The Apple Cinema Display M8149 has either a 20", 23" or 30" screen. This guide will show you how to gain access to the LCD Control Board on an Apple Cinema Display and replace it.

The reason for replacement of the control board is because of simple usage and/or corrosion. The LCD control board on an Apple Cinema Display is delicate and care should be taken before and after replacement. Please unplug the display before you begin.