Question about Denon DRA-375RD Receiver

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Audio cuts out

My Denon DRA-375RD has operated flawlessly up until now. When I turn the receiver on, I will have sound from anywhere from 30 seconds to 2 hours and then no sound. The faceplate remains illuminated. Can this be fixed?

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  • csanyis Apr 20, 2009

    My prblem is exactly the same. When I switch on the device maybe the audio cuts out in 2 seconds, or more. For example the source of audio is from tape 1, it is not necessary to switch off the device, usually it is enough to switch off source tape1, and switch on it again. Maybe then I can hear the music again for 2 seconds. After this time only a very-very quiet music sounds, if I turn the master volume potentiometer to the maximum...

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5 Suggested Answers

  • 119 Answers

SOURCE: receiver cuts inself off about 15 seconds after you turn it on

you need to check your speakers connections to make sure nothing is touching and all is connected right and not to have to many spkrs on the channels, also only have the skrs on that you are using, make sure zone 2 / 3 are off and multi volm is turned down

Posted on Feb 25, 2009

  • 128 Answers

SOURCE: Hi--

tape 2 should have a "monitor" button that goes along with it.

turn it off and sound should return

Posted on Dec 31, 2009

  • 2 Answers

SOURCE: denon dra-95vr receiver has no sound out. All

Right on!
Jumpers was my problem. Luckily I had a pr. of short RCA's because my NAD jumpers were too small to reach across.

Posted on Feb 08, 2010

  • 6771 Answers

SOURCE: my denon dra-697ci receiver volume

You have bad connections on your circuit boards, if you are handy with a solder iron then you will need to touch up the solder joints.

Posted on Jan 03, 2011

dunnbiker
  • 8546 Answers

SOURCE: Denon DRA 455 cuts out after a couple of minutes

Generally speaking, an amp attempts to protect itself from heat, shorts, overloads and operator exuberance by refusing to turn on or stay on.

Overloads can be from excessive periods of high output or marginally low impedance loading by the speakers; and shorts would be wiring issues or a speaker blowing up.

You should be able to feel if it's hot. WHY is it overheating? Make sure it has sufficient ventilation on all sides and that vent holes are not blocked by dust balls. Ensure the fan (if equipped) is running as designed (some only operate on demand). Clean dust and debris from it.

If the amp comes back on after cooling, you're lucky. They only have so many self-protection cycles in their lives so continuously resetting or cycling their power without addressing the cause can do more harm than good.

If it protects immediately on a cool power up you should disconnect the speaker connections and try it '*****'. If it comes up then diagnose which lead(s) are shorted. If it does not come up the problem is internal and should be left to an experienced and competent hands-on tech.

Posted on Aug 07, 2011

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1 Answer

I have been told that the way I set up my DRA-375RD could damage the receiver. I added a sub-woofer to the one of the speaker outlets. Today, the right side speakers no longer function (both sets of...


Most subs are 4 ohm cabinets. That being said, if you added this to one of the channels alone, fine. If added while another speaker was also connected (A+B mode) and the other was a 4 ohm cab as well, then yes, you probably smoked that channel. The two 4-ohm cabs in parallel like that appear to the amp like a 2-ohm load. This amp is designed for a 4-ohm load minimum. It is likely that the output stage overheated and damaged the output transistors. I would have expected the amp to go into protect mode though. Let the receiver cool down and try again. If it works, then the problem is the low load and removing the sub will "fix" it. If not, then further examination of the output stage will be necessary.

Dan

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I'm convinced the fuse is blown in Denon Receiver, I'm having trouble locating it...where is it?


There is a main fuse located either close to where the AC cord enters the unit or under a PC board attached to the transformer. In any case, it is unlikely that the fuse is the real problem. Is there a standby light at all or nothing at all? If there is a standby light, the fuse is fine. If the unit won't stay on or turn on, the problem could be a bad 5V supply or shorted outputs.

Please update this with any additional symptoms and I'll provide additional details.

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The unit is rated at 120 watts total output ( 60 watts per channel x2 channels) As far as being worth fixing it depends on the price of the parts and what you want to do after its fixed. I looked around a little and the unit gets good reveiws from owners. They say its great for a "just music" system.

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1 Answer

How do I preset radio stations on my hi-fi system?


Hi,
Owner's Manual is PN 3834RH0020U
On pg13
1. Press TUNER/BAND to select AM or FM
(Leftmost rectangular button on left of volume knob)
2. Select station by using TUNING +/-
3. Press PROGRAM/MEMO on the remote
A preset number will appear.
4. Press PRESET +/- (or PRESET ^/v on remote) to
select the preset number you want.
5. Press PROGRAM/MEMO again. The statio is stored.
6. Repeat above for more stations.

Believe you can store up to 30 stations.

Apr 28, 2009 | Denon DRA-375RD Receiver

1 Answer

Receiver cuts inself off about 15 seconds after you turn it on


you need to check your speakers connections to make sure nothing is touching and all is connected right and not to have to many spkrs on the channels, also only have the skrs on that you are using, make sure zone 2 / 3 are off and multi volm is turned down

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Amplifier keeping blowing fuse


This almost always indicates a blown speaker. If you have an ohm meter you can use that to test the impedance on your speakers. After disconnecting the speaker - touch the red lead to one connector and the black lead to the other. If it reads something other than 8ohms that speaker is blown.
If you don't have an ohm meter you can simply disconnect one speaker at a time and run that way until the fuse blows. If the fuse never blows then you've found the suspect speaker.
Sometimes blown speaker can hide by stealth. When cold everything is normal. When things start to heat up from use the failed circuit shorts and blows the fuse on your amp.

Oct 21, 2008 | Denon DRA-375RD Receiver

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