When a  channel of mp3 player  silent, or the imaginary voices are also relatively common form of failure, because MP3 players are using the 3.5 mm audio jack, and sockets are welded directly in the line of the board, so many times in the plug But when some of the Commissioner of welding machines will appear this. If a channel does not ring, or voice interrupted, it can replace the first headphones to determine the point of failure. In determining the machine as long as the question of opening direct machines, electric irons will be welded to re-pin socket. Sometimes, if a welding is the outlet to the location, the voice will sound very empty. But such problems are relatively simple maintenance. But sometimes spot Xu Han, after the opening spot looks very good, but at this time in the best spot to add more Rosin (or other flux) after Welding.


Summary: In a player or intermittent sound of the voice of the virtual breakdown, the first replacement headphones determine the point of failure, if the headset without problems, apart machines after use, iron-pin plugs will be re-welded to solve the problem in general.