NuTone Intercom Photo Gallery > Nutone Intercom IMA303 > NuTone Model IMA303 Tuner Module
The IMA303 has a old-school analog radio tuner. These modules are well designed and usually don't require much work.
There are 4 capacitors to replace. Any other work done on this tuner module may require the tuner to be realigned forproper operation. Aligning a tuner requires special bench equipment and knowledge.