Try cleaning the heads, capstan, and pinch roller. If it's been sitting for a long time in an attic, it's probably dirty and oxidized. This video shows you how to clean a tape deck: https://www.youtube.com/watch?v=Y2LQr63X7lk
The belt probably needs replacing.
Try cleaning the heads, capstan, and pinch roller. If it's been sitting for a long time in an attic, it's probably dirty and oxidized. This video shows you how to clean a tape deck: https://www.youtube.com/watch?v=Y2LQr63X7lk