Samsung BD-P1500 Blu-Ray Player "spectrum" Questions

blue ray will not play dvd but will play blue ray samsung db p1500 Blue ray uses a blue laser spectrum and DVD uses the red spectrum. The blueray player must have dual capability to play both red and ...

...clean. Put in a DVD while the unit is open. Everyone says the laser is outside the human visual spectrum but that's hogwash...when the disc is in, you should be able to see the laser right

...LASER. I know that sounds pretty obvious but the colour blue is closer to the upper end of the spectrum and therefore has a shorter frequency and therefore you can generate and read much

on the top and added an extra piece of metal, in this case i used the heat sink off an old sinclair spectrum. So far I have had it running for a few hours without it failing. it could be static unplug

Colors wrong on DVD player While a DVD was playing on my Toshiba D-RW2SU, the red spectrum disappeared and now all the colors are off whenever I try to play a DVD. This is not the fault of the TV it ...