Generally this guide applies more to OEM radios than aftermarket ones, as the latter are often developed specifically for the Japanese market. This post is still a work in progress so I may update it from time to time and add more photos as I get the chance. Here’s a guide on hacking your radio to convert it to natively tune across the CCIR band. Sure you can use a band expander but these suffer from a number of drawbacks, not to mention that the radio does not display the correct frequency of the station you are tuned to. Do you have a Japanese import car that won’t tune to local FM radio stations? It’s a well known fact that Japan uses a different public FM broadcast band to the rest of the world 76 to 90 MHz instead of the usual 87.5 to 108 MHz CCIR band.