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NuTone Intercom Photo Gallery > NuTone Model IM / IMA3303 AM FM Radio Intercom > NuTone IM3303 all replaced components

NuTone IM3303 all replaced components

More red boxes identifying where the new components have been installed.  The 4 components that are mounted to the aluminum heat sink are the output transistors and another voltage regulator.

You can see the 2 replacement 2-watt resistors in the center of the picture, very much different looking than the failed parts