Alpine CDA-117 Problem

Any Pro can teach me??i bought a alpine CDA-117E Second hand… after i install it… i found tat got a problem… the hu… when playing a song…sometime it will stop 3-5sec then replay again…it just look like pause…and then when got song again… it will skip like from 1.35 to 1.52 like this… i duno wat happen with this… haizz… hope u all understand wat i mean… if some1 know it… please tell me…

not only 1 cd… all the cd same… some time it will stop like 10-20sec… haizz

go back to the place where u bought it.simple

No Pro can teach u here.

haizz… sad