This guide is designed to alert readers to the scope and variety of programming coming up. Listing is not meant to represent blanket endorsement. Readers are urged to be selective. FRIDAY America Talks Back (NBC, 8-9 p.m.): NBC news and entertainment executives, from the chairman down, and such stars as Dennis Franz, Tempestt Bledsoe, Betty White, and Philip Michael Thomas answer questions from TV viewers about network decisionmaking. SATURDAY
Wimbledon Tennis (NBC, 12:30-3 p.m., EDT): Early-round action in the All-England Tennis Championships, with commentators Dick Enberg, Bud Collins, and others.
US Senior Open Golf Championship (ABC, 2:30-4:30 p.m. EDT): Live coverage of the third and fourth rounds of the contest that pits Arnold Palmer and Billy Casper against defending champion Miller Barber.
National Old-Timers Baseball Classic (CBS, 2:30-4 p.m.): Mel Allen announces the fifth annual event, taped at RFK Stadium in Washington and featuring Joe DiMaggio, Willie Mays, Hank Aaron, Whitey Ford, and 49 other names from the past. SUNDAY
World Cup Soccer (NBC, 1:50-4:30 p.m. EDT): Live coverage of the finals from Azteca Stadium in Mexico City.
Newsleaders (PBS, 7-7:30 p.m.): Host John Chancellor talks with Vermont Royster, former editor and columnist of the Wall Street Journal.
Disney Sunday Movie (ABC, 7-8 p.m.): ``On Vacation,'' a Disney cartoon classic with Donald Duck.
Ellis Island (CBS, 9-11 p.m.): First night of three-part miniseries drama about immigrants who arrive in America in 1907, starring Faye Dunaway, Richard Burton, Greg Martyn, and Kate Burton. (Repeat.) MONDAY
American Masters (PBS, 9-10 p.m.): In a candid, witty conversation with writer Rosamund Bernier, architect Philip Johnson discusses his changing views of his profession. Second in series with Joanne Woodward as host.
Alive From Off Center (PBS, 10-10:30 p.m.): First of 11 new shows for fans of avant-garde drama, dance, music, and video, with Susan Stamberg as host. TUESDAY
Comrades (PBS, 9-10 p.m.): Premi`ere of 12-part BBC-made documentary series, focusing on the daily lives of ordinary Soviet citizens, looks at 21-year-old Young Communist League member Rita Tikhonova.
The Making of `Comrades' (PBS, 10-10:30 p.m.): ``Frontline'' anchor Judy Woodruff and journalist Mark Frankland interview producers of the new series (above) to find out what it was like to live in the Soviet Union. WEDNESDAY
Justice for All (PBS, 9-10 p.m.): Pilot for a proposed eight-part series on the workings of the executive branch of the United States government goes inside the Justice Department under Edwin Meese to explore how its activities affect antidrug enforcement, affirmative action, selection of judges, and more. Fred Graham is host.
Please check local listings for all PBS programs since local station's option often results in differing schedules.