ps3 hdmi problem output sony

Hello guys. I need some help! I have a ps3 slim and I have very strange problem. I can't output picture via HDMI on my Sony Bravia kdl46w4500 TV. I also tried on my other TV - LG 32" and it works perfectly fine there. On the Sony I can only output via AV cable. And when I have both AV and HDMI...