Question about Denon AVR-3300 Receiver

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I have a buzz / static that appears for the first 15 minutes.

While my AVR-3300 is warming up (about 15 minutes or so) there is a static and buzz that will appear then dissappear completely. Leaving the amp on mute for about 10 minutes will bypass the problem, however I have a service manual and wouldn't mind troubleshooting the cause.

The AVR, and all perhipherals, are connected to a large regulated uninterruptible power supply and only recently started this behavior. Are there some electronic components within the amplifier that I should start the troubleshooting process with (i.e. amp section, pre-amp section, power regulator...)?

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Hi...

I just opened up an AVR3300..It's trouble is that it goes into stndby
at once.
The BIG power supply caps are VERY swelled at the top.

That would be my informed view on why it's bad.

I suggest you look at that being your possible trouble too.

Scott in Vermont

Posted on Jul 09, 2009

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1 Answer

How to connect and set up my DENON AVR-3300 to my LG tv. Waht connections on amp and tv do I use?


Hi,
  • if you want to listen your TV on your Stereo system thru your receiver, AVR-3300 ** you need to connect "Audio Output " RCA jacks or "Optic cable output" of your TV
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Mar 28, 2011 | Denon AVR-3300 Receiver

1 Answer

How to access denon avr-3300 system setup


Hi,

First make sure that your remote control is set to "Amp" as it can control many different devices.

Then make sure that you have connected the Monitor Out socket on the receiver to your TV.

Next make sure your TV is set to show the picture from the input you connected to the Denon monitor out.

Now press set-up button on the remote and the System Setup menu should appear on your TV.

If this helps then please rate my answer,

Many thanks,

Chris

Mar 02, 2011 | Denon AVR-3300 Receiver

1 Answer

Denon AVR-3300 has a buzz from all 5 speakers during warm up.


Depending on the location you're living, try to connect a good ground to your system might solve the problem

Jun 20, 2009 | Denon AVR-3300 Receiver

3 Answers

Buzz or hum


My guess would be +and -12v supply to preamp opamps has ripple. (drycaps or bad solder). I may be able to get you a pdf service manual if needed. kstahl65@att.net

Jan 27, 2008 | Denon AVR-3300 Receiver

1 Answer

AVR-3300 Static and Sound Loss


The Denon Curse.......the connectors that the input boards ( up and down if your receiver is in the normal position ), plug into one of the 2 main boards on the bottom. These connectors are suspect and need to be cleaned and re-soldered. Same with the board that runs from the input side of the unit ( right behind the front panel, running across the unit ) to the amplifier board. Denons were HORRIBLE for bad connections with these. This is an involved repair requiring the entire thing to be pulled apart. It is not an afternoon job for a do-it-yourselfer, take it to an authorized Denon repair shop, as I GUARANTEE that they have seen this problem many times for all models from 2000-01-02-03. Good luck..... Rob

Jan 18, 2008 | Denon AVR-3300 Receiver

1 Answer

The AVR-3300 power-off to stand-by mode


You have a blown amp or a leaky cap and the unit is going in to save mode to avoid destrying the unit.

Take it in for a repair. I don't think it should run more than $50-$75 for a fix depending on what component is bad.

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