I purchased a Polaroid PDM 1040 about 5 days ago to use while underway in my rack for DVD watching and the convience of its AV in/out ability for playing my ps2. It worked great for the past few days but as of tonight when I get everything setup, and even when I only plug in my dvd player to a power source I get a black screen. I can adjust the swivel on the screen and see that the display works just fine so its not a matter of the screen being cracked or anything I just cant view the output at all. Ive tried adjusting the brightness/contrast and what not but to no avail. I dont know if its just a faulty player or what. Any suggestions on what might be the problem. Thanks guys