INCLUDING ' COMPLETE T.V. LISTINGS FOR \S«pt. 13- Sept. 19 -CABLE VISION ANDTHE CHICAGO, MILWAUKEE & ROCKFORD -NETWORK TELEVISION Richard Chamberlain canter start at Blackthorna, a shipwrecked English navigator who fallt in love with hit Japanete interpreter (Yoko Shlmade, bottom left); becomes the companion of Rodrigues (John Rhys- Davles, center left), a Portuguese navigator; and loter the trusted ally of Toranaga ((Toshiro Mltune right), the most powerful warlord in Japan, in James ClavaU't SHOGUN-, the 12-hour epic mini-series to be broadcast over five consecutive nights on NBC TV, Monday- Friday, September 15-19