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Denon DRA-335R Manuals

It is quite likely that one channel is defective – a common problem with ‘second hand’ equipment. After that, you can post your question and our members will help you out. I did confirm via another receiver that both speakers are in working condition. Power cord plugged in.

Used Denon DRAR Receivers for Sale |

If sound comes out of both sides, then the tuner switch? Speakers “A” – connected both left and right speaker, ensuring polarity is correct for both.

I have ensured that the balance knob is in the centre position. Denon Receiver Acting Strange. Upon turning up the volume, Dta am only getting sound from my right speaker. Fortunately for me, I was able to return the receiver to the seller as I did not have any more time to spend on trying to repair it. Page 14 of the technical manual shows how and where to measure the amplifier bias current and by following those instructions you may be able to isolate WHICH channel the fault is in.


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Turntable only working on one channel. Search Forums Recent Posts. As with many electronic items like yours, repair is always possible but the final decision 33r be based on either your skill sets in managing the repair yourself with our full assistance of course ddra handing it over to a ‘paid’ repair service where the costs exceed the value. Having said that, the only connections I have made are: I am also trying to find a User Manual for this receiver.

Nov 3, 2. Thank-you for the links to the manuals. Nov 4, On a more positive note, these are widely available as replacements so fixing the unit seems more than probable. Let me try this again as I appreciate the advice being provided and drx such am confirming the steps I have taken below. If you have a mono switch, then switching to mono will provide the same signal to both audio amplifiers. Turning on the power and ensuring that I selected the “Tuner” mode, I located a stereo signal.

Denon DRA amplifier won’t rra on after being left on for extended period. That may not be your problem and you may have to troubleshoot to find the electronics failure, Nov 4, 9.

We need to isolate whether the fault is in one channel of the stereo FM receiver or in the amplifier itself. If you are ok with basic multimeter operation and use and reasonably skilled with a soldering iron I see no reason why you cannot successfully fix the unit. The headphones are 335f in circuit PRE-the A-B speaker selection switches therefore there is a fault in the amplifier stage of one channel.


Nov 3, 7. Nov 3, 8. Do you have headphones and a socket to use them in?

I have tried this with both “A” and “B” speaker buttons engaged and get sound from the right speaker only in both cases. Nov 3, 3. Sadly, there are no independent fuses PER CHANNEL so repair is likely to be down to replacement of something in the output stage of one channel – xra main power transistor s are the usual suspects.

Just wanted to follow up 335e thank you for the responses and suggestions for the non working left channel on the second hand Denon receiver I bought.

Tested Speakers “B” in same way. Nov 3, 6. Nov 3, 5.

Do both channels work in any other mode? I appreciate the time and support provided.

Discussion in ‘Troubleshooting and Repair’ started by Pepi9, Nov 3, I’ll just start out of the gate with what I usually find wrong when this happens: