When it comes to Cables I like a PC Triple C Signal Wire.
DIN to RCA is limiting, get a DIN >RCA Adaptor and open up to your yourself a humongous selection on Cables to be tried.
DIN RCA Cables usually come with quite a premium in their price over RCA>RCA.
The Links again will help.
My Adaptor selected would not be my choice, it is to show the way to increase Cable choices. Much shorter signal path adaptors are to be found.
https://www.fromjapan.co.jp/japan/en/auction/yahoo/input/t1194739122/
https://www.fromjapan.co.jp/japan/en/special/order/confirm/murauchi-dvd:134183720/2_1/
https://www.puristaudiodesign.com/Data/products/misc/adp.html#
https://www.fromjapan.co.jp/japan/en/special/order/confirm/audio9:10004792/2_1/