70 Chapter 3
Removing the System Main Board
1. Put the housing to lying position with the open area facing upward.
2. Remove the seven screws holding the main board and then remove the main board from the housing.
Removing the Power Supply
1. Disconnect the power supply power conne ctor from the main board.
2. Remove the four screws holding the power supply, and then remove the power supply from the housing..
Removing the Intrusion Alarm
1. Remove the screw that secures the intrusion alar m and then remove it from the housing.