did my s-300 die? help

[peterfabian]

Hello everybody....i need an advice...it seems my S-300 died...it turns on fine...but when i put a blu-ray disc it trays to load it, but after a few seconds it says it can't play the disc....in the other hand when i put a dvd the player doesn't recognize it...it says "no disc"...same for music cd's... did it die? will the lector be dirty? last weekend was playing fine until suddendly it got frozen when i was watching The Matrix ... i didn't use again the player until now when i noticed this big problem...any ideas about what is happening? thank you.