finally found a manual for this machine here is the link
http://www.service.pioneer-eur.com/peeservice/instrmanuals.nsf/0/A5B53CB3FCD8A34FC1256D10003625F8/$File/XRB3023_XV-DV313.pdf
check out page 79.
dam106, April 2009
hello emma i have just had the same problem just seen this post on another site and still nobody could be arsed to give you a replay when i find out how to fix it i will send you a post.