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Denon avr 1803

Standby light flashes! can t get it on.

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

simplemitch
  • 752 Answers

SOURCE: Denon AVR-4800 5.1Channel Standby light blinking

It's going into protect. Unhook ALL the speakers and see if it still shuts itself off. If so, then it will have to be taken in for service.

Posted on Oct 27, 2007

tech48
  • 624 Answers

SOURCE: Denon AVR-3802

I have repaired many of these Denon receivers over the last few years.

Since the headphones work, that means if you dis-connect the speakers it will turn on and not go into protect (when power cuts off a few seconds after turning the unit on).

The most likely problem is a bad speaker. to find out which speaker is causing the problem, do this.

Start out with just one speaker connected and then turn on the unit. If it turns on and plays music, you know that speaker is good.
Now turn the unit off again and add another speaker and keep the first speaker connected. Once again, if the unit plays, that speaker is also good.

Keep doing this same procedure one speaker at a time. As soon as you connect a speaker and then try to turn on the unit and it goes into protect, the speaker you just connected is bad.

To confirm that this speaker is the bad speaker, dis-connect all speakers and only plug the suspected bad speaker into a speaker jack that worked with one of the other speakers.
If the unit still goes into protect you know then that you have found the bad speaker.

If the unit still goes into protect, that speaker is bad and you will need to take it in for repair or replace it.
make sure you use 8 ohm speakers. if i remember correctly these Denons can use 6 ohm speakers, but those are harder to find and most home speakers are 8 ohms.

If the unit does not go into protect and that suspected bad speaker plays in one of the other speaker jacks, what you really have is a bad channel in the amplifier, the channel that the suspected bad speaker was previously connected to.

If you find out you have a bad channel, you will need to take it in to an repair center. Preferably an authorized Denon service center. There are not very many of those around. I work at the only authorized Denon service center in the entire state of Michigan.

If I can be of more assistance, don't hesitate to ask. And a good rating is always appreciated. :)

Posted on Jun 22, 2008

  • 1 Answer

SOURCE: denon avr-2106 problem!!!

You're drawing too much power from it. Sounds like maybe your sub is hooked up wrong, double check that.

Posted on Jul 06, 2008

Foxyjay
  • 13 Answers

SOURCE: Denon AVR-1508

If your amp looks like it's going to work as normal (ie the front display lights up as it should etc), but then the amp goes into protection mode when the anti-thud circuit times out, then I know what's likely to be wrong.

It's one of the power amplifier channels which has gone faulty.

I just found this out after having this problem with my AVR-1906.

I took the amp apart and de-soldered the suspected channel power transistors (centre channel in my case).....and hey-presto! it fired up as normal (obviously the centre channel would be out of service).

I have ordered the replacement transistors from Farnell (UK) at a miserly cost of around £2-£3 each.

Just waiting for them to arrive.

An alternative is, if you don't use all your channels, take the transistors from a known working but not needed channel and swap them over with the duff ones.

Hope thats of use!

Posted on Aug 16, 2008

localwonder
  • 6784 Answers

SOURCE: shuts off then red light indicator flashes, disconnected all speakers but still wont work

Hi, this is a power board issue. remove the cover and make sure that this unit doesn't have blow fuse. if the fuse is fine, you will then need to replace the integrated power/ main board.

Posted on May 21, 2009

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1 Answer

How can I connect my I pod Touch to my Denon AVR 1803 receiver?


The best way to connect an older IPod or other MP3 player to the AVR-1803 is to use a 3.5 mm (M) to RCA audio cable. This will work for audio on all IPods (and video on some of the older IPods). Here's an example: http://www.amazon.com/3-5mm-Audio-Video-Cable-iPod/dp/B000STBSU4 . Connect the 3.5 mm end to the headphone jack; the RCA plugs go into one of the AVR-1803 RCA inputs.

For some IPods, try a connector like this: http://www.amazon.com/Cables-Unlimited-iPod-Connector-Cable/dp/B000CBFVXS . This connects to the docking port on the IPod.

I hope this helps.

Cindy Wells

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1 Answer

Standby light flashes and the reciever wont turn on, how do what must i do


Hello Tony
the problem is in the power supply circuit
the DC detector identifies the problem and wont start unless you repair it.
the internal supply +15v -15v these 2 regulators and the capacitors around it makes this problem.
if you know how to service it, its easy if not, you have to take it to a technician to do it for you.
Good luck.

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How can I connect my I pod Touch to my Denon AVR 1803 reveiver?


Connect the 3.5mm cable to the iPod headphone output and the two RCA plugs into any unused analogue audio input on the Denon AVR 1803. Then choose the appropriate input on the Denon, press play and enjoy the music. Be careful about volume. Start with the volume on the iPad low and adjust to suit.
Cheers, Don.
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1 Answer

Does not turn on


If there is no reaction at all on standby button, the receiver most likely has a problem with standby power supply or mcu. If you get flashing red standby light, there is a problem with one of the channels or main power supply. Either case you need to bring it to a reoair facility.

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CHECK IC101 AND IC102 THESE ARE THE + AND - 15VOLT REGULATORS. iF THEY ARE OFF BY MORE THEN 3 VOLTS IT WILL SHUT THE UNIT DOWN/IC101 IS THE +15V AND IC102 IS THE -15V IF THESE VOLTAGES ARE GOOD THEN THE UNIT IS GOING IN TO THE PROTECT MODE AND YOU WILL HAVE SHORTED OUTPUT TRANSISTORS. I HOPE THIS HELPS YOU.

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Shuts off then red light indicator flashes, disconnected all speakers but still wont work


Hi, this is a power board issue. remove the cover and make sure that this unit doesn't have blow fuse. if the fuse is fine, you will then need to replace the integrated power/ main board.

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1 Answer

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First make sure you you have the power plug plugged into the unit and a hot 110 outlet, press the on/standby button on the front of the unit and if no power return to store

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1 Answer

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