The Atlantic Coast Conference has approved a multiyear agreement with the Charlotte-based Raycom Sports Network for its basketball TV rights.

The three-year agreement, which is reportedly on an escalating scale that will give the league between $4 million and $6 million per year, ends the one-year reign of MetroSports of Rockville, Md., which televised ACC basketball games this season. The Greensboro Daily News said the deal would lift ACC basketball to the same income level for its member institutions that most major football programs enjoy . . .

Rick Majerus, assistant basketball coach at Marquette, has signed an agreement to replace head coach Hank Raymonds at the end of the 1982-83 season, the Milwaukee Journal reported. The newspaper said Raymonds would concentrate on his duties as athletic director . . .

Two Syracuse University players were arrested and charged with first-degree sexual assault on a Villanova student after Thursday night's Big East Conference tournament games. Andre Hawkins, 18, a freshman forward from Malverne, N.Y., was charged with raping the female student just hours after Syracuse lost its opening-round game to Boston College, police said. He was held in lieu of $25,000 bond following arraignment in Superior Court. Yesterday afternoon, senior forward Ron Payton, 22, of Syracuse, N.Y., was arrested on the same charge, police said. He also was held under $25,000 bond following arraignment.

In women's tournament play, Navy defeated Indiana of Pennsylvania, 99-67, in the opening round of the EAIAW Mid-Atlantic Region Division II playoffs in Annapolis. Navy (18-7) plays Hofstra, 54-52 winner over C.W. Post, in the second round Tuesday.

In Winston-Salem, N.C., Howard's women defeated North Carolina A&T, 72-61, in the semifinals of the Mid-Eastern Athletic Conference tournament. Howard (13-10) will play the winner of today's South Carolina State-Delaware State semifinal at 1:30 Sunday.