Question about Denon AVR-886 Receiver

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AVR 886S loud pop when turn on or off

This receiver was working for about a year, one day started poping loudly after turning it on or off, but otherwise everything works properly.
I know something must be wrong with the output protection circuit, but with no schematics I'm lost.
Please help

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5 Suggested Answers

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SOURCE: AVR3803 reverting to 'standby' and will not play

A componet sounds like it has blown out or shorted in the output circuit. There are no user replaceable parts im sorry to say unless you know how to trouble shoot and repair solid state circuits. A protection circuit is there so you dont burn up the speakers, as if the speakers did not have a relay to take them out of the circuits, a shorted output device would fry the speakers.

Posted on Sep 25, 2006

  • 3130 Answers

SOURCE: Denon AVR-810 going into PROTECTION mode

It sounds like there is a problem with the differential circuit. The bias I am not sure about, as every unit is different. You should get the service manual to be sure or call Denon and see if they can give you an idea. Good Luck

Posted on Jun 05, 2007

  • 3 Answers

SOURCE: connection problem with HDMI cables on Denon AVR-589

Hi dmsgolfer22,

If your Time Warner Cable box is old enough that it has a DVI output it may have HDCP (copy protection issues) with the receiver. If you are having to use a DVI to HDMI adapter to connect to your receiver (output from Cable Box to input on Receiver) then it's very likely your cable box may have may not output the signal because it detects the HDMI repeater in the receiver.

The two best options to correct this are:
1. Connect the DVI to HDMI cable directly to the input on the TV, you lose the convenience of the video switching in the TV, but it will solve the problem. Then connect the digital audio output from your cable box to the receiver, although you've probably already done this.

2. Contact your cable provider and check into the possibility of them swapping out your cable box for a newer model that would have an HDMI output. This would be the best option since the HDMI output on the cable box would give you both the Digital Audio and Video through a single HDMI cable.

Let me know how it works out for your, or if you have any questions.
Matt @ OneCall

Posted on Feb 28, 2009

  • 10515 Answers

SOURCE: protection error in denon avr-3000


Do you know what caused the protection shut down in the first place? Did you short your speaker wires even briefly?

You could try to Unplug the Unit for Few Minutes, say 30 minutes and then turn it back ON.Usually that would fix the issue.

If you are going into protect mode with no speaker attached,chances are that your output Ic is in need of replacement .This is the most likely cause of a protection error that you are experiencing.I am having a bit of difficulty in locating specific part numbers but feel confident that replacing outputs will remedy your concern.For further info and parts or authorized service locations in your area I suggest to contact mfg at .Click on support or call(201)762-6500.I believe that they have a flat rate service and will give you an estimate.

Still, on the remote possibility that it is just a glitch caused by momentary power interruption or fluctuation, try to re-initialize the microprocessor, a hard reset (not unless this is what you were referring to as rebooted). The reset should force the AVR-3300 to revert back to factory defaults removing glitches, errors in settings & configurations, memory & presets as well as user preferences.

* turn OFF the unit using the POWER button;
* press and hold both SPEAKER A and SPEAKER B;
* without releasing the 2 buttons, press the POWER button;
* release the 2 buttons only when the display starts to flash;
* in the event of no display flashing, repeat the process.

Should the above be not corrective, then it would be a hardware fault and not just a glitch.

Let me know, if needed further assistance.

Hoe i helped you.

Thanks for using ' Fixya ' and have a nice day!!

Posted on Jan 13, 2010

  • 5 Answers

SOURCE: While watching tv my speakers started cracking and

I had the same issue..I called Denon support and they fixed the problem. You need to reboot the micro-processor....turn off the unit...hold down A+B then turn on...the display blinks (all the display is illuminated) Let go of the buttons.....issue resolved!

Good luck....

Posted on Mar 09, 2010

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I have a Sony STR-V444ES receiver that is receiving what I believe to be a static discharge. When I turn on all components, I will receive a random loud popping sound that usually happens in the first 15...

The AVR have problem in its pre amplifier stage. Normally this type of cracking noise will hear because of faulty op amp (operational amplifier) ics. To repair such problems you should have through knowledge in electronics. And also need SMD rework stations Beacuse all the op amp ics are SMDs. If yo have such knowledge then i have added here the link to the service manula for your AVR.

Refer the page number page number 13 first. Its the Audio section blaock diagram of the AVR. you can see the the suspected ic in the top right corner marked as IC410. Which is the pre stage op amp for the frond left righ amplifier. You have to replace this ic( integrated circuit).

You can find the position of the ic by refering Page number 27. Its the input board . On the board you can see three ics with 8 legs(four in each side) On the left side. You have to replace the ic marke as IC410. You can find the schematic for the input board in page number 26. the The part number of the ic M5218AFP-T .

Refer the sevice manual to know how to carefully to remove the input baord.

If you need any more assistance feel free to conatct me through fixya.


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