Question about Denon AVR-1804 Receiver

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Power light is on(little red one) but doesn't power up....No display and I can feel it is warm like it is on. Is it fried? It's a Denon 1804...no money to replace it but can afford to fix it if 100 dollars or less...

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Posted on Jan 02, 2017

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SOURCE: No display; No power

Your unit has a hard short in it. This is usually a power supply problem. Most likely the rectifier has failed. This should be a relatively simple and inexpensive repair. Figure on $10 for parts plus the local labor rate.

Dan

Posted on Jul 16, 2008

  • 163 Answers

SOURCE: Standby light stays red and will not turn unit on.

Try to reset the macroprocessor. Unplug the unit from AC, hold both buttons SPEAKER A and SPEAKER B and plug the cord in outlet. After display flashes several times release the buttons. No result? - repair shop.

Posted on Apr 09, 2009

SOURCE: Denon avr-1804 its turns back after 5 sec

Disconnect all speaker wires on back and then turn on. If it happens again, it's most likely a power supply problem. If it doesn't happen again, it was probably crossed speaker wires.

Posted on Dec 28, 2009

  • 5 Answers

SOURCE: Denon AVR older receiver but worked fine; now

Did you try to reset the unit? Resetting the unit has fixed every problem I have ever had......turn off unit.....hold down A+B at the same time then turn the unit back on...hold buttons for roughly 3 seconds....Let me know if it works.

Posted on Mar 09, 2010

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I have a old denon avr-1804. try to switch on power but can not. just appear a main power red light flashed rapidlly. please tell me why?


Greetings
the red flashing LED is that the Device is in protection mode.
the internal power supply . +15 volts and -15 volts are defected you need to be replace it ... Regulators 7915 and 7815 .... these you should change , might also need to check capacitors .
these are common defects for Denon . AVR units.
Good Luck
Hope this helps

May 26, 2016 | Denon Audio Players & Recorders

1 Answer

Denon avr-1804 no power


Mr Paul.. Thanks ur valuable information . I got a unit and it had one power transistor gone. even after replace not work but I follow ur instruction done. Appriciate.

Apr 04, 2014 | Denon AVR-1804 Receiver

1 Answer

I have a Denon 2113 which turns on displays for a second switches off and the red light starts to flash. what could be the problem? Kindly assist...


Not sure if your power circuit board is fried. The red light flashing means that your unit is going into protective mode so that it won't damage other components inside the amp. Best to disconnect all cables and just have the power cable plugged in. See if this still happens. If it doesn't, attached each device one at a time to find out which cable is doing this. If you still have the same issue, the amp needs a service.

Dec 09, 2013 | Denon AVR-2113CI

2 Answers

Zone 2 on my Denon AVR 1804 only works with an analog input. Apparently it was designed that way. WHY?


Because in order to use a digital input, the unit would have to completely power on. Zone 2 is designed so that it can be used with the main power off.

Sep 27, 2013 | Denon AVR-1804 Receiver

1 Answer

How to connect Denon avr 1804 connecting to roku hd


I connected by Roku to a Denon 1804 Receiver this way:- I plugged the cable that came with the Roku into VCR2 input jack of the Denon. (I used VCR2 because it was available).- Using the remote from the Denon, I made sure the slide switch was on "Audio." (See page 20 of Denon Manual).- I pressed pressed the System Setup button- *System Setup appears in display of Denon- Using the cursor buttons I scrolled to menu Digital in Assignment- I set Menu item 16 Coaxial to VCR2 since that was the input jack I used for the Roku. - After making the selection press the CH Select Enter button to save- To exit the System Setup press the System Setup button again- When using the Roku, select the input source as VCR2 (or whatever jack you used). You should now have sound through the Denon.The most important step is to read the Denon manual starting on page 20

Dec 08, 2012 | Denon AVR-1804 Receiver

1 Answer

My Denon AVR-1804/884 standby light stays on but the receiver wil not power up


ok my denon avr 1804 was jamming and it shut off on standby red light flashing comes on then goes back off what is wrong ?????

Feb 27, 2011 | Audio Players & Recorders

1 Answer

Denon AVR 1804


You need to get the manual and do some reading first. I couldn't find the AVR-1804 but the AVR-1803 is avaiable. It should be close enough to get you through connection and setup.

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Feb 23, 2010 | Denon AVR-1804 Receiver

1 Answer

Denon avr-1804 its turns back after 5 sec


Disconnect all speaker wires on back and then turn on. If it happens again, it's most likely a power supply problem. If it doesn't happen again, it was probably crossed speaker wires.

Dec 28, 2009 | Denon AVR-1804 Receiver

1 Answer

Playstation3 and Denon AVR-1804


If you don't have a user guide, go to:
usa.denon.com From there, you can click on Support and search for archived info...you will find a pdf there.

Of your five plugs, a red and white next to each other will plug in to the audio in on your denon (Red is for Right) I would use something like the VCR-3 pair on the left side of the rear panel. The other three, Red Green and Blue are for Video Component In on the denon; Use either Video-1 or Video-2 in the component section on the right half of the rear panel.

At his point, it will be best to look at the manual, because you will have to pair the two items together in the menu system. It takes a little patience but isn't too hard.

Good luck.

Sep 04, 2008 | Denon AVR-1804 Receiver

1 Answer

No display; No power


Your unit has a hard short in it. This is usually a power supply problem. Most likely the rectifier has failed. This should be a relatively simple and inexpensive repair. Figure on $10 for parts plus the local labor rate.

Dan

Jul 16, 2008 | Denon AVR-1804 Receiver

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