It was a pain but I just finished making a high quality Xbox component cable. I used a 360 cable and soldered an Xbox connector from a composite cable. No more video
High Definition 1.8m RCA Audio Video AV Cheapest Cable Tv For Original XBOX Component TV Hookup Connection Line Cord From Shenzhenbest, $2.43 | DHgate.Com
Xbox component cable from 360 : r/originalxbox
Hauppauge Computer Works
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Original Xbox YPbPr component SCART PACKAPUNCH OSSC
Shared Composite/Component Video Input Connections
Original Xbox YPbPr component SCART PACKAPUNCH OSSC
Xbox component cable from 360 : r/originalxbox
High Definition 1.8m RCA Audio Video AV Cheapest Cable Tv For Original XBOX Component TV Hookup Connection Line Cord From Shenzhenbest, $2.43 | DHgate.Com
Composite cable for the Xbox, need new ones - XBMC4Xbox
Amazon.com: Component HDTV AV Cable for Xbox 360 : Video Games
AtPlay Universal Component Cable For PlayStation 3 Xbox 360 and Wii and GameCube | eBay