With Muzak intruding over the public address system, Virginia senatorial combatants Andrew P.Miller and John W.Warner yesterday repeated the litany of their disagreements but ended up with few major conflicts on issues.

Appearing before several hundred members of the Fairfax Bar Association, the two candidates split as usual over whose experience is more relevant to being a U.S.senator and who is talking more about issues.

Democrat Miller deliveredone jab that Warner supporters grimaced at, but Republican Warner countered with a few needles of his own.

Miller's comment ocurred after the candidates were asked during a question-and-answer session if legislators should be subject to the laws they pass, such as the social security tax, equal employment opportunity regulations and Occupational Safety and Health Administration (OSHA) regulations.

Warner said, "The sooner the better," elaborated on that a bit, and then said that Capitol Hill should be subject to OSHA rules and "suffer along with the rest of America.

Miller, taking the next turn, said, "I would like to think as far as equal employment opportunity is concerned it wouldn't be regarded as a burden. . ."

Warner, for his part, referred to a teacher's association as a "special interest group" and said that Miller "joins with our president in an outright commitment to get votes by advocating a balanced budget by 1981."[Warner and Miller both spoke approvingly of the tax measure put forth by Sen. Sam Nunn (D-Ga.) for a balanced budget tied to limits on expenditures Phrase over several years.]

Miller, who has been stepping up his attacks on Warner lately, did not let up yesterday. He quoted Warner as saying that he never envisaged the Russians cheating on the SALT 1 agreement and added, "We need somebody in the Senate who is totally realistic about Russians intentions. . ."

Miller said he believed that " the philosophy that works in Virginia will work at the national level," and then quoted a sentence of a Warner interview in a Staunton newspaper saying he "did not believe that . . ."

Miller recalled former Sen. William Spong and summoned the image of outgoing Sen. Willam L. Scott (R-Va.) by saying, "It was a setback that he was not reelected." Scott defeated Spong, and although the Republicans insists Scott is not an issue in this campaign, the Democrats relish references to Scott's well-publicized junkets overseas and, lately, his early departure from Congress to take an automobile trip despite important votes coming up in the Senate.

Warner, for his part, rapped Miller for advocating the splintering of the Department of Health, Education and Welfare (HEW) into three separate departments, saying this portion is in "direct conflict" with Miller's promise to work toward cutting governmnet expenses. He also jumped on the Democratic Party, which "has dominated Congress for 40 years," for "spending, spending and spending."

He suggested that Miller had "eliminated himself from objective review" of the upcoming SALT II treaty by saying ahead if time that he would not sign it unless the Russians agreed to inspections of missiles sites.

Both said they would not have voted for the extension of time in which states can ratify the Equal Rights Amendment, although Miller favors the ERA and Warner does not.