My Tosh 220 looks a bit sick! All the DVD's I tried playing last night have random blocks of video appearing as garbage. If I don't get that symptom, the video plays hesitantly, like it's strobed. There were no problems until last night. The DVD player wasnt overly warm or cold. The sound track and cds sound OK. What do you think is wrong? Just a dirty lense? Or is it a return to base job? The player is 8 month old.