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The speaker selection switch needs to be cleaned or replaced. Nov 3, 7. Drx headphones are wired in circuit PRE-the A-B speaker rra switches therefore there is a fault in the amplifier stage of one channel. As with many electronic items like yours, repair is always possible but the final decision may be based on either your skill sets in managing the repair yourself with our full assistance of course or handing it over to a ‘paid’ 3335r service where the costs exceed the value.

You’ll need to choose a username for the site, which only take a couple of moments here. Do you have headphones and a socket to use them in?

Turntable only working on one channel. 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 – the main power transistor s are the usual suspects.


Denon DRA-335R Manuals

Tested Speakers “B” in same way. Denon Receiver Acting Strange. Nov 4, 9. Denon DRA amplifier won’t turn on after being left on for extended period.

Denon DRAR Manuals

Turning on the power and ensuring that I selected the “Tuner” mode, I located a stereo signal. Upon turning up the volume, I am only getting sound from my right rda. Discussion in ‘Troubleshooting 335rr Repair’ started by Pepi9, Nov 3, Thank-you for the links to the manuals. Speakers “A” – connected both left and right speaker, ensuring polarity is correct for both. On a more positive note, these are widely available as replacements so fixing the unit seems more than probable.

I’ll just start out of the gate with what I usually find wrong when this happens: I have ensured that the balance knob is in the centre position. If sound comes out of both sides, then the tuner switch? If one side is still faulty, I would compare the amplifier voltages with the good side but this may be getting a bit deep for you. If you have a mono switch, then switching to mono will provide the same signal to both audio amplifiers.

Given that the other channel works we can take it for granted that the DC positive and negative rails are ok. I did confirm via another receiver that both speakers are in working condition. Nov 4, Nov 3, 8. I have tried this with both “A” and “B” speaker buttons engaged and get sound from the right speaker only in both sra.


Let me try this again as I appreciate the advice being provided and as such am confirming the steps I have taken below. Is there an easy way to clean the speaker selection switches?

After that, you can post your question and our members will help you out. 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.

I am also trying to find a User Manual for this receiver. Nov 3, 3. Nov 3, 5. Not sure what you mean by checking to make drw I am operating the set correctly but I will have a look at the User Manual. Do both channels work in any other mode? Nov 3, 1. Nov 3, 6.