The video shows a person using a soldering iron to repair a circuit board. The person is using the soldering iron to melt solder and apply it to the circuit board. The person is wearing a black shirt and is holding the circuit board with one hand while using the soldering iron with the other hand. The circuit board is green and has several components attached to it. The person is carefully applying the solder to the circuit board, making sure to cover all the necessary areas. The soldering iron is silver and has a black handle. The person is using a small brush to clean the solder from the circuit board after applying it. The background is a beige surface, and there is no other visible equipment or tools in the video.