So I got a nice Xmas DVD player deal, set it all up with a optical output to the optical input on my Yamaha HTR-5240 and got no sound. Hooked up the analog inputs as well, and got sound, but I am ...

Last November I bought an HP 42" LCD TV, but I can't get the optical audio out to work on it. I'm trying to hook my cable box up to my television's HDMI in and my TV's optical out to my receiver's ...

The optoelectronic logic element AND, OR and XOR is considered, the output signal of which can be inverted when the input control signal is applied, thereby converting the logic element into NAND, NOR ...