Charles (Chuck) Schnebel, longtime CBS Television executive, including a final stint as vice president of current series before his retirement, died Sept. 16 of cancer in San Juan Capistrano, Calif. He was 74.A native of Iowa, Schnebel graduated from UCLA with a B.A. in theater arts. After serving in the U.S. Air Force, he began his career typing radio scripts at CBS Hollywood in 1957. He worked for the web on both coasts and in the development and programming departments, contributing to the production of such shows as “MASH,” “All in the Family,” “Alice,” “WKRP in Cincinnati,” “Newhart,” “Magnum, P.I.,” and “Murder She Wrote.” He retired as vice president of current series in 1988. He is survived by his wife of 42 years, former story consultant Joy Munnecke. Donations may be made to the U.C.L.A. Foundation — Chuck Schnebel Memorial Scholarship, U.C.L.A. School of Theater Film and Television, Box 951622, Los Angeles, CA 90095-1622, Attention: Rosalie Sass.