(LEAD) S. Korean clubs off to winning start at AFC Champions League
(ATTN: CHANGES slug, headline, lead; ADDS Seoul's match in paras 16-20, photo) By Joo Kyung-don JEONJU/SEOUL, Feb. 23 (Yonhap) -- South Korean champion Jeonbuk Hyundai Motors edged FC Tokyo 2-1, while FC Seoul blanked Thai champion Buriram United 6-