Question about Yamaha RX-Z9 Receiver

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Yahmaha rxz9 no output signal to sub

Hello, Just hooked up my new reciever and had the sub working perfectly. I turned off the reciever and left the sub on (new JBL L8400p) during the night I heard a low frequency hum coming from the sub. I unplugged it and the next day when I turned on the receiver I had no sound from the sub. I have checked the sub with another reciever and it works perfect. I set everything up in the gui as explained in the manual and still get no signal. I have also changed the cable with a known good one. Please help! I've been at this for 6 hours

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  • jasonjandr Dec 31, 2008

    signal is coming digital from cable box or from blu-ray. It worked last night. I can hear an extremely low signal from the sub but it sounds full range not LFE. Thanks

  • Dick
    Dick May 11, 2010

    Any update to your issue yet?

  • Dick
    Dick May 11, 2010

    What are you attempting to generate the signal with? Test tones from the receiver, dvd with a 5.1 track, something else?

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  • 20 Answers

The part where you plug in the sub has blown or warn out over night dude get it repaired i think u need to change the fuse inside the reciever

Posted on Dec 31, 2008

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