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NuTone Intercom Photo Gallery > NuTone Model IM / IMA3303 AM FM Radio Intercom > NuTone IM3303 74 series logic IC's

NuTone IM3303 74 series logic IC's

The red arrows point to the two 74 Series Logic IC's on the IM3303 Control Board.  These work in conjunction with the micro-controller to operate the functions of the IM3303.

The 74 series logic IC's are common components and can easily be replaced if needed.