The U.S. dollar went back down into the lower 83 yen level Friday in Tokyo on selling. At 5 p.m., the dollar fetched 83.30-31 yen, versus Thursday's 5 p.m. quotes of 83.47-57 yen in New York and 83.25-26 yen in Tokyo. The euro traded at 1.3693-3695 dollars and 114.06-10 yen against 1.3638-3648 dollars and 113.89-99 yen in New York and 1. 3586-3587 dollars and 113.11-15 yen in Tokyo late Thursday. 