alpine in dash dvd/mp3 player problem...?

[eazyduzit323]

in the morning the stereo plays the cd fine but theres no sound...and a few hours later the sound comes back..it does that everyday..wat could be the problem?

 

[DangerousSHS#70]

it mith be the weather, because my stereo doesnt play the cd rigth when its cold, till it warms up it plays fine