Question about Denon AVR-4800 Receiver

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Denon ARV 2105 Power Up Problems

Worked fine last night, powered up this am for a split second and then immediately powered off. I can push the on/off button off and then on to get the red light back around the on/standby button. Then when I push the on/standby button to try to power it on a get a message that says "2 FRONT LARGE". We've unplugged it and re-tried, didn't work. Any thoughts?

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  • sassa1 Nov 03, 2008

    we unplugged the front speakers and tried again to power it off. still have the same problem.

  • sassa1 Nov 03, 2008

    it will turn off, when it turns on it goes to the 2 front large message and no, we cannot make any button on the front of the receiver or the remote do anything. if you still think we should unplug all speakers, we will do that tomorrow. when you say unplug, do you mean the wire from the back of the speaker or unplug them from the back of the receiver?



  • sassa1 Nov 05, 2008

    we've finally been able to do what you suggested and we are still having the same problem. still have the same message. system seems to be locked up. no button on the front works except the on/off button does turn it off. remote does not work at all.



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  • Master
  • 3,037 Answers

Your front two speakers may be drawing too much current, unhook them first and see if it works without them, if it does, then the speakers are the problem,

let me know what you find and we can work from there

Posted on Nov 03, 2008

  • 1 more comment 
  • Benjamin Patri
    Benjamin Patri Nov 03, 2008

    can you go into the menu and change settings at all?

    from your second comment, it seems that you are now not able to turn it off? or is it just not staying on?

    If you disconnect all speakers, will it work, and then test one speaker at a time, what happens?


  • Benjamin Patri
    Benjamin Patri Nov 03, 2008

    unplug them from the receiver

  • Benjamin Patri
    Benjamin Patri Nov 05, 2008

    Try the following and if it doesn't work then your protection circuit might need to be replaced or at least someone will have to diagnose down to the exact problem in your unit which I expect to be a short somewhere but this will need to be physically tracked down by an electronics expert.


    1. Switch off unit and unplug AC cord from outlet.

    2. Press and hold the DIRECT and STEREO buttons, whilst simultaneously plugging in the AC cord.

    3. Check that the display is flashing with an interval of about 1
    second, and release your fingers from the two buttons and the microprocessor will be initialized.

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