I've build this old radio into a internet radio with a raspberry pi, a I2C display and two analog knobs for controlling. To address the display I've used lcdproc (which is great for controlling with python). Music is playing over the analog socket with an additionally small amplifier. Take a look to my photos and source code hosted on github
https://stetro.wordpress.com/2013/12/31/webradio-aus-nostalgischem-fm-radio/
https://github.com/stetro/radiopie
Cheers
Steffen