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Question about Denon AVR-681 Receiver

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Powers on 5 sec then powers off

Hi My avr 681 Powers on stays on for about 5 secons and then powers off . is there a reset or somthing i can do or is it junkyard bound

Posted by Eric Green on

  • 3 more comments 
  • wiz73 Dec 04, 2007

    My AVR 681 powers on then goes into standby after 3 or 4 seconds...

  • salmerum Oct 13, 2008

    Mine just started avr-681 just started powering off as well. It however, is 8 years old.

  • redshift Nov 23, 2008

    Interesting...my AVR-681 just started powering off (with flashing standby light) as well. It's about 7- 8 years old. Unpluged everything and reconnected to a/c power only with no luck.

  • mdfox Apr 19, 2009

    Powers on for about 5 seconds - then turns off. flashing "standby" led. HELP!!!!

  • ethomazin May 03, 2009

    "Powers on 5 sec then powers off"

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3 Answers

mvortex1

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There is a bad resistor that causes the unit to go into standby. For once, I actually bought an extended warranty from Sears who wound up taking the unit back FOUR times to replace the faulty resistor. The last time, I actually researched the problem myself and informed the repair shop that they need to upgrade the component to a higher voltage component - this actually fixed the problem for longer, but not much longer. I would trash it.

Posted on Dec 27, 2009

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  • ahayman13 Sep 07, 2011

    do u know if theres anyway to fix it??? cause as of now i dont have the money to get a new one

  • ahayman13 Sep 07, 2011

    if you do please email [email protected]

  • mvortex1 Dec 23, 2013

    I took mine to a service center - you can look up "denon authorized service centers" in a search engine.

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Anonymous

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Mine does the same thing..........
If anybody knows the problem ........please e-mail me.
[email protected]

Posted on Nov 13, 2007

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Anonymous

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Wow my new AVR 1708 just had this problem. No surges I have it connected to two(2) power surge protectors! its less than a month old

I don't seem to get it.

anyhelp?

[email protected]

Posted on Jan 04, 2008

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0helpful
1answer

My denon AVR 681 turns on for a few seconds then immediately goes into standby, attempted to reset by holding in on speaker a and b as instructed with no luck, any other suggestions? This unit is a few...

turns on for a few seconds then immediately goes into standby, attempted to reset by holding in on speaker a and b as instructed with no luck, any other suggestions?
A very obvious evidence shows there is a DC coming out of the speaker terminals.

https://www.hifiengine.com/manual_library/denon/avr-681.shtml?_e_pi_=7%2CPAGE_ID10%2C1610027943

first download service manual.
check any DC voltages developed at the speaker
output terminals. Differential amps got damaged ,shorted, are common. Check for any shorted transistors of pre-amp stage which amplifies voltage.
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AVR 630 powers up and 5 sec after that powers itself off

This unit has shorted output transistors causing unit to go into protect mode.
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I have a denon avr amp it powers up then goes in

disconnect all connections cycle power if the power stays on reconnect equipment one at a time cycling power after each peice reconnected. If the power goes back to stand by with nothing connected the reciever needs repair
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Powers turns on then off

faulty power amp output section occurs this problem.
canyou open the cover and are you technicaly sound to do the repair.
nuwan.
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How to reset a denon AVR 681

Unplug the AVR 681, press and hold the "Speaker A" and "Speaker B" buttons. Plug in the unit then release both of the speaker buttons after a few moments.
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Powers on 5 sec then powers off

if it goes off even with no sound, system is put on stndby protection mode. something wrong with your output section. busted power output xtors of IC.
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Denon AVR-681 receiver

this manual is the same as the 681 the only difference is the front input and power difference. this web sight http://www.usa.denon.com/AVR1602_682_ownersmanual.pdf
3helpful
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Flashing protector

Psgolfer ...I pretty shure you dont need that. It just needs to be reset, its in protect mode.....hold the power button down and the A n B speaker buttons down at the same time for 30 sec.....ok , Radricktip
1helpful
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On standby

Mine does the same thing..........
If anybody knows the problem ........please e-mail me.
[email protected]
0helpful
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Shuts off about 5 sec. after i turn it on

The power amp module ( s) have probably "bought the farm"

Post what part numbers you find on them.
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