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Search Forums Recent Posts. Nov 4, 9. Given that the other channel drs we can take it for granted that the DC positive and negative rails are ok.

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Turning on the power and ensuring that I selected the “Tuner” mode, I located a stereo signal. If one side is still faulty, I would compare the amplifier voltages with the good side but this may be getting a ddra deep for you. Speakers “A” – connected both left and right speaker, ensuring polarity is correct for both.

Page 14 of the technical manual shows how and where to measure the amplifier bias current dr by following those instructions you may be able to isolate WHICH channel the fault is in. I am also trying to find a User Manual for this receiver. Do both channels work in any other mode? If you are ok with basic multimeter drx and use and reasonably skilled with a soldering iron I see no reason why you cannot successfully fix the unit.


Discussion in ‘Troubleshooting and Repair’ started by Pepi9, Nov 3, 335f I did confirm via another receiver that both speakers are in working condition. Nov 4, 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.

We need to sra whether the fault is in one channel of the stereo FM receiver or in the amplifier itself. That may not be your problem and you may have to troubleshoot to find the electronics failure, Power cord plugged in.

Not sure what you mean by checking to make sure I am operating the set correctly but I will have a look at the User Manual.

The headphones are wired in circuit PRE-the A-B speaker selection switches therefore there is a fault in the amplifier stage of one channel. Tested Speakers “B” in same way.

Denon DRA amplifier won’t turn on after being left on for extended period. Thanks for your assistance. Nov 3, 5.


Denon DRA 335r 2 Channel 124 Watt Receiver

Nov 3, 8. Denon Receiver Acting Strange. Similar Threads Speaker not working.

Thank-you for the links to the manuals. I have tried this with both “A” and “B” speaker buttons engaged and get sound from the right speaker only in both cases. Turntable only working on one channel. I appreciate the drw and support provided. Having said that, the draa connections I have made are: Dec 7, Upon turning up the volume, I am only getting sound from my right speaker. It is quite likely that one channel is defective – a common problem with ‘second hand’ equipment. You’ll need to choose a username for the site, which only take a couple of moments here.

I’ll just start out of the gate with what I usually find wrong when this happens: Ask a Question Want to reply to this thread or ask your own question? Is there an easy way to clean the speaker selection switches? On a more positive note, these are widely available as replacements so fixing the unit seems more than probable. dfa