just got a 7 inch flip out,the problem is everything works it powers up the radio station works movies work an show on screen.just one bad problem when the radio station is on you can here it,but when you put a movie or a cd in it plays on the screen just dnt here no sound.only sound we get is when the radio station is on.has anybody gone tru this problem

what would cause that problem..???
any help would be perfect thanxs