Question about Denon AVR-2803 Receiver
I recently added a Music Hall mmf-5 turntable to my system with a Dynavector MC cartridge DV-10X5. I also added a Antique Sound Lab Phono LUX DT phono stage. I am connecting it to a Denon 2803 AVR using the VCR2 input. After playing the phono at high volume for a relative brief period of time(4-5 songs), the "protection circuit" trips and the unit shuts down. The unit is hot at the time it shuts down, but does not shut down with any other inputs(ie CD, DVD, DVD audio and SACD) at even higher volumes. I have tried the TV input on the receiver, changed out the RCA connections and tried another Phono LUX DT phono stage. All with the same result; the unit shuts down. I had the phono stage bench tested and installed in another system with no problems detected. I added a second ground from the phono stage directly to the ground on the turntable with no success. I put a large floor standing fan to move the air around the unit and it did not help. The Denon receiver is in a cabinet with 5 1/2" clearance on top and 3" on each side. I do not believe I have a problem with the receiver, because it works with all of the other inputs at high volumn. If anyone has any suggestions I would be most grateful.
I believe you have no fault, all manufacturers employ a number of "anti-condensation" techniques (to stop moisture buildup around the door seals, some use a thermal wire (just like what's in an electric blanket, others and more exotic use hot return gas from the compressor through pipes around the door / s these get really hot but it's a really effective way to keep moisture away. Hope this helps you and others
Posted on Jan 22, 2008
Since the protection circuit trips after 4-5 songs at high volume from LPs, it may be that the infra-sonic rumble common to phonographic recordings is driving your amp stages much harder than it sounds like they are driving. You can check this with watt meters for your speaker outputs, or by filtering such extremely low frequencies on the input. If you have an equalizer--especially an old one--it may have an infrasonic filter, or just cut the very lowest frequency available on the equalizer after running your phono pre-amp into the EQ and the EQ into your VCR2 input. This setup will verify if your problem is the infrasonic rumble, but I wouldn't use it as the solution. There are very quiet infrasonic filters available that would work better for the long term. And if you just cut the lowest EQ frequency out, you'll miss some good bass.
Posted on Nov 07, 2006
You may want to try putting an attenuater in the line with the RCA's to cut the input signal back just a little bit. So you are not driving the amp so hard with your preamp.
Posted on Sep 08, 2006
I had the same problem. Rebooting did the trick. Reboot the unit per the instructions provided by another user on the main page. Here they are:
To reboot, turn receiver off by the small on/off button, not the big standby button. While off press the night and pure direct button at the same time and keep holding them with your right hand while pressing the small on/off button with your left. You will see your receiver menu flash. When you see it flash let go of the night and pure direct button and the receiver will reset it self to the radio station 87.50. The receiver's microprocessor has now been set back to factory.
Posted on Jan 17, 2009
Make sure the two switches on the remote are all of the way to left most position before you try using the SYSTEM SETUP button - if the AVR is going into SETUP, the LCD display should be saying "SYSTEM SETUP". (I think that model does - most do). also make sure that the Composite or S-Video on the TV's input 1 work from something else like a VCR, DVD player, ETC. rule out the TV and the cable first.
Posted on Apr 02, 2009
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