Today, we are going to have a very deep look at the Hitachi KM-1520ZC Car Radio, which was a factory-installed radio in many of the export market Datsun 240Zs. There were many other Radios / Antennas / Audio components used throughout the S30 line of cars, but that’s something I would like to save for a future Post. Disclaimer: I have a professional background and education in audio electronics engineering and used to repair such audio systems for many years. But it has been a while since, so forgive me if I messed up some details. If you have any correction, input or additional information, I appreciate if you let…