No! There's no such thing as a digital cable, except in ink. It's just another cable. ANY coaxial cable with RCA plugs will work just fine. Don't waste money on a special cable. In fact, the worst cable you own will work better for a digital hookup than for any other connection.
Remember, composite (yellow), S-video, and component (R, G, & B) are all
video connections. You need only one of them vor picture. Stereo audio (R & W) and Digital (coax or optical) are for
audio, and you need only one or the other. (Once in a while, you might want both)
The multi-channel DVD inputs on the JVC are for DVD-A and SACD, which your DVD player doesn't do, so you don't need them. You need to make sure the Dolby Digital (and DTS) output is enabled in the players menu and Digital is enabled on the JVC.
Every time you play a DVD, go into its menu, and make sure the audio (or language) option is set to DD (5.1), because many discs default to another setting. Some DVDs don't have audio options, which should mean that DD already is the default.
Larry
www.fineelectricco.com