I Have purchase one sony mini hi-fi dvd model 8dnz from authrised dealer M/s Kapila elecronics janak puri Newdelhi.From date of purchase (cash) DVD player which is made in china was notworking.Three times it was repaired by sony service centre located at rajouri gdn new delhi under waranty period. since date Iam unable to enjoy the music. pl.rectify my problem