The Rega arm will not accept a 5 pin din cable. They need to be completely rewired with a kit like the cardas incognito. There maybe other wiring options but the Rega is not plug and play.
If you're not good at soldering then you need to send it to someone to rewire it for you.
If you're not good at soldering then you need to send it to someone to rewire it for you.