Function properly. Even with 10m Toslink cable. How many reports any scratching or the like is not with me !!! Hint device at the edge is Top. Man should be a little familiar and not on the lens of the cable touch after all the sound through light pulses transmitted and dust should not even be on the lens !!! If it happens sometimes simply "Zewa" take a little glass cleaner spray on it and carefully run a rotation on the lens and finished, there are 2 pages)
Have all interconnected: 2x Philips Digital Suround conditioning THX, it's also DTS! Philips Bluray 3D Computer ME 800 Multimedia hard drive Panasonik LED TV