I had installed Onkyo Sr 706 at my home. It had connected 4 big size speakers in the front and 2 at the corner of my home. Sometime when I play movies there is no sound. Any how if sound comes only in the center speaker and the surround speaker don't work. In the sound I heard noise. It is not as cleared as it was. And in some DVD's it display the video by the sound is not there. The subwoofers are also quiet. Now I was trying to figure out what happened a new problem arises. My pictures is gone. If there is displays then it is distorted. The TV screen switch on very slowly. I think when I checked the cable of speaker I messed out the picture also. Please help me with proper suggestion to resolve this issue.
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