The question is rather short on details but if the noise is a pop, buzz or snap prior to the set turning off I`d start with a power overload or a failing power supply. Use a good UPS with voltage and frequency filtering to reduce mains noise and droops or spikes from other large loads in the building.
Danville, Indiana. Danville is a town in Center Township, Hendricks County, Indiana, United States. The population was 9,001 at the 2010 census. The town is the county seat of Hendricks County.
With a population of over 6,600 citizens, the township includes the Village of Edwardsburg and the unincorporated area of Adamsville. The township encompasses 24 square miles in the southern part of Cass County, bordering St. Joseph County and Elkhart County, Indiana.