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Denon 2106 Protect Mode (Close Out)

Dave, just thought I'd get back to you in that I replaced the two Voltage Regular IC's in my Denon 2106 per your analysis and recommendation. Fixed the Protect Mode problem and now its back on line.

Thanks very much for your help. You are truly an EXPERT asset for the FixYa website. Could never have reached this end without your help.

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I am glad that changing those voltage regulators in the power supply of the main board has fixed your problem. As I told you in earlier posts, when you unplug a connector it can give you erroneous voltage readings that can send you looking in the wrong places, and it can be dangerous.

I really appreciate the compliment as well, it makes this work very rewarding.

Thanks again, and feel free to contact me with any future problems you may have with any audio equipment.

Dave

Posted on Dec 12, 2008

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Denon AVR589 shuts off. I removed all connections and plugged it back into the wall and powered it on. The same thing happened. I think the company told me it was going into protect mode. I have no idea...


One or more channels have a short in the audio output stage causing the protect mode to engage " saving it from further damage " this will require a professional or Denon service. I'am not aware if there are issues with this model.

May 07, 2011 | Denon AVR-3805 Receiver

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My AVR-2106 receiver will only stay on for a few seconds before clicking off. We have disconnected all components and speakers from unit to eliminate short circuit/wire problems and still with only power...


Hi amy, Your vivid description of the problem confirms that the protect circuit is cutting off the amp on detection of a high current drain. The possible fault is the failure of the Audio Power Output Mosfets. You will need to remove the mother board to test the stage and confirm to replace one of the stages.
The second possibility is that the protect circuit by itselff could be defective and cause a faulty bias to trigger the cut off. This must be checked by a stage by stage Voltage check.
Since the removal of the mother board requires some experience so as not to tamper the set , you must decide on the course of action.
The other option I can suggest is to call up the Denon call centre and check up the nearrest service centre, send and receive the set to them by courier after confirming the fault and estimated costs. If this justifies then it must be thought of.
I am sure you can search for one as I am not sure the place of your residence... try a search on the web for Denon service support with your location/city.
I hope my advice helps but please open the cover to have a look inside for visible damages.
Good day

Aug 19, 2010 | Denon AVR-2106 Receiver

2 Answers

Getting out of protect mode I have a Denon 787 receiver. It was working fine for 8 months. All of sudden, my reciever goes into protect mode after playing for about 30 min. Right after it goes into protect...


most of the receivers come with a cooling fan inside see if its working they usually work when you turn the volume up,, if its working that means you are playing it to loud if you lower the volume a little it will play just fine..( if the fan inside is not working thats the reason it goes into protect mode and it means you must have it repaired,, it goes into protect mode to prevent furter damage to the unit or the speakers,,

Dec 18, 2009 | Denon AVR-787

1 Answer

Denon AVR-2106 - Zone 2 shuts down system


Check your speaker wires on zone 2 and look inthe manual for speaker configurations with zone 2. you may have a speaker conflict. If you still have an issue, post a comment with your speaker setup and I'll help some more. Hope this helps

Jun 28, 2009 | Denon AVR-2106 Receiver

1 Answer

Denon avr-2106 getting hot shutting down


Normally when this happens it is because the impedence load is too small. This unit requires 8 Ohm speakers. If you connect 4 Ohm speakers, it will work, but work harder and generate excessive heat. If the heat is too much, the unit will enter protect mode and shut down. Once it cools off, it will work again. In your case, if the speakers are the correct impedence, check for crossed wires. If that is the problem, running the unit at higher volume levels should cause it to shutdown sooner.

Keep us posted,
Dan

Mar 10, 2009 | Denon AVR-2106 Receiver

1 Answer

Problem getting the best surround sound when watching a dvd


THE BEST SOUND IS WHAT SOUNDS BEST TO YOU, HOWEVER DO THIS:
1, USING THE SETUP MIC CONFIGURE YOUR DENON, PAGE 8 OF THE MANUAL. NEXT
2. RAISE THE REAR SPKR LEVELS, PAGE 46,47. NEXT
3. WHEN LISTENING TO AUDIO CD OR RADIO TRY THE 5 CH STEREO DSP MODE.
4. WHEN WATCHING A DVD USE DSP DOLBY PROLOGIC OR TRY 5CH STEREO IF THE MOVIE IS MOSTLY TALKING.
5, TRY 5CH STEREO WHEN WATCHING PROGRAMS WITH MOSTLY TALKING

Mar 01, 2009 | Denon AVR-2106 Receiver

1 Answer

Denon AVR 2106 Protect Mode (followup)


I am very surprised that they had the generics in them. I think that you may have gotten a refurbished unit. I have never seen one come from the factory like that. The one with the insulation is the most important to not be electrically connected to the board by the back metal tab. The other one has the metal tab at the proper place for the ground, so it is OK, I just didn't feel like explaining the difference (typing cramps LOL). The metal tab is electically the same as the middle pin on each IC, but the middle pin is not the ground on both of them, only on one. The heat sink is connected thru the board by some thick wire or metal pins as you have found, and the spot that they connect on the board is the ground.

As far as heat sink compound goes, I have never used the type you have for anything but my CPU, but I really don't think it would be any type of an issue, any type of heat sink compound is much better than no heat sink compound. In fact, yours may be better than what is normally used, silicone heat sink compound, the white stuff.

In all my years fixing these Denon's, I have never run across one that was manufactured in China, I just assumed they were all from Japan. If I worked on some from China, then I did not know it. I just fix what came in the door or what was shipped to us. In Michigan I worked at the only Denon service center in the state and surrounding states. So we got a lot of them, but I never checked to see where they were made.

I am glad to see you have a handle on this, I get a little uneasy giving people instructions on how to dismantle and replace parts. I fear they may blame me for their own mistakes or maybe even shock themself and get hurt. I can see that I don't need to worry about that with you.

Dave

Dec 04, 2008 | Audio & Video Receivers

1 Answer

Denon AVR 2106 amp failure


Does it still power up for a little bit or so with no sound what so ever?....I there is no dents in it or metal pushed in causing cracked connector boards....I can take it off you hands for a couple parts I need ...because your transformer and 2 resisters are shot and it will cost almost as much as the unit cost's.

I do have a brand new never opend $649.99 Denon AVR-788 for $365.00.
And 2 used AVR units Denon and Onkyo.....ALL HDMI

call 630 742 6587

Aug 30, 2008 | Denon AVR-2106 Receiver

1 Answer

HAVE TO UP VOLUME ON DENON 2106 TO HEAR ALL AUDIO IN NIGHT MODE


There should be a volume adjust on the center channel. This is done by the remote exclusively. You may also wish to compress the sound using the dynamic range compression button or so labeled.

Aug 31, 2007 | Denon AVR-2106 Receiver

1 Answer

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

Jun 05, 2007 | Denon AVR-2106 Receiver

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