Onkyo 706 Reciever crackling speakers and no picture

Discussion in 'AV Receivers & Amplifiers' started by borich, Jan 7, 2012.

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  1. borich

    borich
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    Upon Start-up The speakers make a very loud crackling hissing noise. The noise dies down eventually after about 1 minute. The receiver is not allowing signal to pass through the HDMI ports. eg: HTPC signal cannot run through amp to LCD TV, will not show any picture. After around 5-10 minutes a picture does come through on sky and HPTC but the Blu Ray player will never show a pic. If connect this items straight to tv there is no issue.

    Tried swapping tvs, and HDMI cables but no luck... The AMP is around 3 years old
     

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