The drive belt needs to be replaced! The Sony WM-F73 Sports Walkman is a vintage personal cassette player from the 1986 model year, featuring AM/FM radio capabilities and a yellow color design. This 1st generation Walkman unit includes a headphone jack for audio output and was manufactured in Japan. The product also falls under the Walkman product line, making it a unique and collectible piece for those who appreciate portable audio devices.