My Onkyo TX-SR706 is connected to my Panasonic Plasma TV via HDMI. Everything works fine with the exception of the receiver's setup screen (OSD). I can access the screen without issue for a period of 20-30 seconds before the picture begins to ''scramble'' or ''distort''. This is particularly annoying while in the middle of making adjustments as I have to back out of the setup mode and then return and try to complete my adjustments before the screen again scrambles. No problems with normal viewing of television programs or DVDs. Any thoughts?
Thank You
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