Onkyo NR686 rear high channels are dead

lkmckin

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I recently tried to exchange my DVR receiver connection to a TiVo. Probably should have unplugged everything first, but I was just changing out the HDMI cord between my Onkyo and the TiVo. Got a NR L R BR BL error on the Onkyo and no sound. Finally found a thread that showed my how to clear the error and reset the receiver.

So I am now trying to re-initialize the speakers, which are 3.1.2 with sub. I get the L R C speakers and the sub, but the high rear speakers on channels 7 and 8 are silent . I’ve tried different configurations but no luck in getting any output on those speakers. I’m guessing that the 7 and 8 channels are dead.

Any ideas? I’ve tried resetting the receiver again with same outcome.
 

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