Power turns on but does not makes sound when it’s turning the cassette The Vintage SONY Cassette Recorder Portable Tape Player TCM 929 is a black portable cassette player that is specifically designed to play cassette tapes. This Sony model features the classic design and functionality that SONY is known for, making it a reliable and durable choice for music enthusiasts looking to enjoy their cassette tape collection on-the-go. Although this particular model does not produce sound, it is still a valuable piece for collectors or those seeking to repair or restore a vintage audio device.