Hi, I have a sd-1800 dvd player , my problem is, this dvd player do not play regular dvd,it show error disc,but some will play no problem, what can i do to fix this problem, there's any update , that i can use, or any suggestion will be appriciated, may be i'm not they only one who ask this question, just need info , to fix my problem , there i can see, my dvd dic, witch is all original dvd dic from the stores. thank's in advance Dan
