1. Sign-up to become a member, and most of the ads you see will disappear. It only takes 30 seconds to sign up, so join the discussion today!
    Dismiss Notice

Center channel problem with Marantz SR7007

Discussion in 'AV Receivers' started by William Moore, Jun 23, 2018.

  1. William Moore

    William Moore Stunt Coordinator

    Joined:
    Sep 5, 2014
    Messages:
    108
    Likes Received:
    31
    Trophy Points:
    10
    Real Name:
    William
    Hello distinguished associates! I'm having a strange issue with my Marantz SR7007 receiver and that is the center channel volume level is suddenly greatly reduced, almost to the point where the dialog is hard to hear and I can't figure out why, other than perhaps that amp channel is going bad or some problem in the processor is having an effect. I have not made any adjustments in the menu so I thought perhaps that one of you may have had this same issue. I would appreciate any help or advice. thanks!
     
  2. John Dirk

    John Dirk Cinematographer
    Supporter

    Joined:
    May 7, 2000
    Messages:
    2,526
    Likes Received:
    960
    Trophy Points:
    4,110
    Location:
    ATL
    Real Name:
    JOHN
    Place another speaker on the same wires. If it sounds normal then the problem is the speaker, most likely a blown tweeter.
     
  3. William Moore

    William Moore Stunt Coordinator

    Joined:
    Sep 5, 2014
    Messages:
    108
    Likes Received:
    31
    Trophy Points:
    10
    Real Name:
    William
    I think the speaker is fine and I found a way to increase center channel level using the "dialog level adjustment" in the menu. Default setting is "0" db, and it has a range of 0 to 12 db. I set it about +6 db. Sounded as good as new. This is just a temporary fix, though, and I think there is still something wrong, perhaps amp or processor. I'm calling Marantz tech support tomorrow. The closest official servicer is Audio Mart in Overland Park, Kansas. I'm really dreading having to unhook everything and ship it to them. What an ordeal!
     
  4. JohnRice

    JohnRice Executive Producer

    Joined:
    Jun 20, 2000
    Messages:
    11,483
    Likes Received:
    1,541
    Trophy Points:
    9,110
    Location:
    A Mile High
    Real Name:
    John
    Ideally you would leave the dialog level adjustment at 0 and increase the level of the center speaker in the speaker setup by 6dB. But in the end, the result is the same.
     
  5. williammoore

    williammoore Extra

    Joined:
    Jun 4, 2015
    Messages:
    21
    Likes Received:
    7
    Trophy Points:
    11
    Real Name:
    William Moore
    Is there any advantage of doing one over the other? Also, one tech I spoke with suggested I do a reset on the receiver and then re-run Audyssey, but I'm not sure I want to go thru all that again. If you have ever set up one of these receivers, it's not exactly a "walk in the park." My question is whether the problem is with the center amp channel or in the processor, but I figure it will eventually "crap out" which would then be easier to troubleshoot. Another issue is that most, if not all, of these servicers are at least 2 to 3 weeks behind at best. I wouldn't call that a "win-win." One other item I read in the manual is that it says if one manually adjusts any of the speaker settings that Audyssey won't work properly. Not sure how to interpret that.
    "
     
  6. JohnRice

    JohnRice Executive Producer

    Joined:
    Jun 20, 2000
    Messages:
    11,483
    Likes Received:
    1,541
    Trophy Points:
    9,110
    Location:
    A Mile High
    Real Name:
    John
    The only advantage of adjusting it in the speaker setup (you don't have to run Audyssey) is because it's technically the correct way to set it up. Setting the speaker levels incorrectly, then correcting it with the dialog adjustment can just be a little confusing. The result is the same.

    Are you certain nothing changed that caused that change in level? You didn't put in a different center channel speaker?

    One simple thing to do is turn off the receiver, then disconnect the power for a few minutes, then plug it back in. No harm if it makes no difference, but sometimes that corrects things, and you don't have to re-configure anything.
     
  7. Mike Frezon

    Mike Frezon Moderator
    Moderator

    Joined:
    Oct 9, 2001
    Messages:
    51,050
    Likes Received:
    13,972
    Trophy Points:
    9,110
    Location:
    Rensselaer, NY
    I'll mention it because it happened to me once: I was dusting my HT rack (which houses my center channel). And when I pulled the center channel out a bit to thoroughly dust it, I loosened one of the speaker wires inadvertently which made things rather wonky.

    Stupid stuff like that can happen.
     
  8. William Moore

    William Moore Stunt Coordinator

    Joined:
    Sep 5, 2014
    Messages:
    108
    Likes Received:
    31
    Trophy Points:
    10
    Real Name:
    William
    I unplugged and re-plugged the center channel speaker, which has banana plugs BTW, at both the receiver and speaker end, just to make sure it wasn't a cable problem. Same center spkr since I bought this receiver in 2013. I'll try that "unplug reboot" and see if that makes any difference.
    One serviceman I spoke with suggested that I do a "reset" which puts all settings back at their default settings, but what about just doing a new Audyssey calibration just to see if that takes care of the problem instead of "going back to square one" by resetting the whole receiver. I would be willing to do that.
     
  9. William Moore

    William Moore Stunt Coordinator

    Joined:
    Sep 5, 2014
    Messages:
    108
    Likes Received:
    31
    Trophy Points:
    10
    Real Name:
    William
    Well, what do you know. I did the AC reset, by unplugging my Marantz for about 20 minutes and then reconnecting. Went to the speaker settings and "voila" the center channel was back, so I lowered the volume back to where Audyssey had set it and everything was back to normal. Yahoo! And thanks to you guys for the help and advice!
     
  10. Mike Frezon

    Mike Frezon Moderator
    Moderator

    Joined:
    Oct 9, 2001
    Messages:
    51,050
    Likes Received:
    13,972
    Trophy Points:
    9,110
    Location:
    Rensselaer, NY
    Kudos to John Rice!

    Another satisfied customer!

    [​IMG]
     
    John Dirk likes this.
  11. JohnRice

    JohnRice Executive Producer

    Joined:
    Jun 20, 2000
    Messages:
    11,483
    Likes Received:
    1,541
    Trophy Points:
    9,110
    Location:
    A Mile High
    Real Name:
    John
    LOL!

    I can't tell you how many weird things have been fixed by simply disconnecting the power.
     
  12. William Moore

    William Moore Stunt Coordinator

    Joined:
    Sep 5, 2014
    Messages:
    108
    Likes Received:
    31
    Trophy Points:
    10
    Real Name:
    William
    Now that my jubilation has worn off, I'm trying to figure out what I might have done, assuming it was my fault, to have caused the reduction in center channel volume. I keep staring at my remote trying to figure this out, but any adjustments to channel volume have to be a deliberate action by going into the settings menu. Any ideas? Thanks!
     
  13. JohnRice

    JohnRice Executive Producer

    Joined:
    Jun 20, 2000
    Messages:
    11,483
    Likes Received:
    1,541
    Trophy Points:
    9,110
    Location:
    A Mile High
    Real Name:
    John
    Stuff like that just happens sometimes. The logic of the receiver gets stuck on something. It probably won’t happen again.
     
  14. William Moore

    William Moore Stunt Coordinator

    Joined:
    Sep 5, 2014
    Messages:
    108
    Likes Received:
    31
    Trophy Points:
    10
    Real Name:
    William
    Boy, I hope not!
     

Share This Page