Question about Denon AVR-2805 Receiver

3 Answers

Denon 2805 I see similiar posts but no solution, I have a Denon 2805 . Would power up but no display, the standby continues to flash green, I tried reseting it but nothing, I switched out the fuse, but clearly thats not the problem, PLEASE HELP, I need to locate the problem so I can either switch out the part or whatever is necessary. Thanks

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  • 6 more comments 
  • Noah Dorfman
    Noah Dorfman Feb 08, 2008

    Already did, thanks

  • Noah Dorfman
    Noah Dorfman Feb 08, 2008

    hello, any suggestions?

  • Noah Dorfman
    Noah Dorfman Feb 08, 2008

    Ok , I am kinda handy with electronnics, I am about to check that out, But how do i rate solutions

  • Noah Dorfman
    Noah Dorfman Feb 08, 2008

    yup had it unplugged for days

  • Noah Dorfman
    Noah Dorfman Feb 08, 2008

    Aside from any loose wiring how would i determine whether or not the main board is properly getting juice or not?

  • Noah Dorfman
    Noah Dorfman Feb 08, 2008

    Jaime, Ive been trying to download these pdf;s but when extracting it gives me an error, is there a file i should be getting that has all parts?

  • Noah Dorfman
    Noah Dorfman Feb 25, 2008

    this problem has not been solved although I have a multimeter tester that I dont really know how to use to address this issue, please assist further

  • Noah Dorfman
    Noah Dorfman Feb 25, 2008

    No still not closed very novice but doing multiple tests

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3 Answers

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  • 2,267 Answers

Does the Denon 2805 has sound or any other function even if the display is OFF?
I would suggest to try to locate the 5 volts source from the power supply to the front display. If that voltage is missing more likely a 5 volts regulator(s) is defective.
Check the link below for an schematic diagram. The diagram is not exactly for your receiver model but it will give and idea where to check in the power supply.
http://eserviceinfo.com/downloadsm/28823/Denon_AVR-1705%20AVR-1505.html
Good Luck.

Posted on Feb 08, 2008

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  • Master
  • 3,422 Answers

Hi,

Hi,

You can download the manual from HERE

I am further looking for a solution to your problem

Posted on Feb 08, 2008

  • Priya darshan Feb 08, 2008

    Have you tried a hard reset? Unplug the power cord for 30 minutes.
    When you power it up the internal codes should reset to the factory
    defaults.

  • Priya darshan Feb 08, 2008

    If the power does come on and stays on most likely nothing is wrong
    with the main capacitors which are the two small circles to the left of
    the big black circular transformer. It is safe to say you have blown
    transistors.

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  • Master
  • 1,894 Answers

Hello sir

Posted on Feb 08, 2008

  • 7 more comments 
  • dewan nafees ahmed Feb 08, 2008

    i think the power to main board is not being supplied properly.
    since this unit is able to power up as u said we can rule out the problem of being the power board problem.

    now next comes the main circuit board.
    if you are handy with the electronics inside you can go with the main circuit board. see if power supply is being supplied to it proper manner.

    now if it is going good then main board is not functinoing.
    now comes the real challange. and this is very tough to find the problem inside the main circuit board.

    so first of all do as i said. make sure that main board is causing problem.

  • dewan nafees ahmed Feb 08, 2008

    i has to type in that. so only replied late.

    dont forget to rate the solutions sir.

    good luck.

    thank you..

  • dewan nafees ahmed Feb 08, 2008

    move ahead and say me if any doubt comes.

  • dewan nafees ahmed Feb 08, 2008

    i dont know how it works in your(customer) side.

    i think there wil be some place to rate it.

    they give 4 different ratings..
    fixya-best one--(blue colour 4 diamonds)
    helpful-helped--(green three diamonds)
    thanks-dint solved but thanks--(2 yellow diamonds)
    inappropriate- incorrect solution--(1 red diamond)

    please become familiar with the site usage before you start to use them

    thank you

  • dewan nafees ahmed Feb 08, 2008

    keep checking the input power at each stage of the circuit.
    there you can find where its going wrong.
    also i would suggest you to have the schematic given by our friend

    it wil be handy for you.

  • dewan nafees ahmed Feb 08, 2008

    find the culprit in main board. it wont be a big problem.

    just check each and every main stages of the board. see if the drop across the components is normal and check the whole board fully.
    thank you sir.,
    dont forget to rate..

    wish you good luck sir.

    bye




  • dewan nafees ahmed Feb 09, 2008

    help to download pdf..

    the file while you download is the first part of the file.. you need the second part also to get the full file..

    for downloading the second part:
    click on number "1"..
    see this image



    after clicking "1" click the " To download the file, please, click here"
    there you go for second part..

  • dewan nafees ahmed Feb 16, 2008

    this too.. not yet closed>?

  • dewan nafees ahmed Feb 26, 2008

    hello sir.



    sad to hear that your problem has not yet been solved.



    but as u have asked for help regarding the usage of the multimeter i will give you the sufficient link which will explain in detail about the usage.



    click this link for detailed tutorial.



    hope this helps.



    good luck.

    thank you..

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