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Denon DRA-635R I have 4 speakers on my receiver but only the right side working on A and B. The left side not working on A and B. I turn the balance botton on front panel but noting for the left side. All the cables are connecting. Thanks

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I have the same problem as carmen 1967 inwant help

Posted on Mar 26, 2010

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Denon dra 397 shuts done if I turn on both zone a & b. Have a 100 watt volume control on each pair of speakers. Works fine with only zone a or zone b on, but not both.


Let's understand this - you have an external volume control wired in series with each front speaker set?

Can you elaborate on their electrical characteristics?

http://www.retrevo.com/support/Denon-DRA-397-Receivers-manual/id/696dj087/t/2/

Page 24.

A + B 8 - 16 ohms

Jan 22, 2011 | Denon DRA-397

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

Jul 15, 2010 | Denon DRA-375RD Receiver

1 Answer

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It could be a bad balance control potentiometer or just broken/cold soldering joints due to the age. Bring it in a repair shop. Thanks. ebcelectronics

Apr 06, 2009 | Audio Players & Recorders

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

Feb 01, 2009 | Denon DRA-395 Receiver

2 Answers

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Hi....you may want to check the speaker fuse, located on the rear of the unit.. sometimes too small wattage speakers get hooked up and the speaker fuse will blow as to not hurt the speakers.
Hope this helps.
Squipps

Feb 07, 2008 | Denon DRA-685 Receiver

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Remote lock on


This worked for me, but I'm sure tired of constantly searching for ways to fix the problems I encounter with my Denon DRA-397. When it works, it's great, but I don't have a degree in electrical engineering. Why can't they produce a user friendly trouble shooting guide?

Dec 14, 2007 | Denon DRA-397

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First, check your balance control and make sure that it is centered. Next, you might have anything from a bad output relay or fuse to a bad driver/component...accordianman

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