[Resolved]  Sony / Car DVD Player Mex - Dv1000 — dvd not playing taking time

i have purchase sony car dvd player dated 1-2-08 it is in warrenty period of two year last month it is taking more time in playing dvd i have shown it in sony service center after checking it they said that lens it not working and we have to order a lens after one week service center employe make a call that your dvd player is working and after one week same problem is there please suggest me what i have to do for sony dvd player i want it in new one