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I am also trying to find a User Manual for this receiver. Given that the other channel works we can take it for granted that the DC positive and negative rails are ok.
Nov 4, Is there an easy way to clean the speaker selection switches?
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On a more positive note, these are widely available 3335r replacements so fixing the unit seems more than probable. Nov 3, 6. 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.
Dec 7, Having said that, the only connections I have made are: I have ensured that the balance 33r5 is in the centre position. I appreciate the time and support provided. Thank-you for the links to the manuals. We need to isolate 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, Nov 3, 1. 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. 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. Let me try this again as I appreciate the advice being provided and as such am confirming the steps I have taken below.
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 dar handing it over to a ‘paid’ repair service where the costs exceed the value.
Similar Threads Speaker not working.
If you have a mono switch, then switching to mono will provide the same signal to both audio amplifiers. Tested Speakers “B” in same way. Do both channels work in any other mode? Power cord plugged in. 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 335e unit. Speakers “A” – connected both left and right speaker, ensuring polarity is correct for both. You must log in or sign up to reply here.
I have tried this with both “A” and “B” speaker buttons engaged and get sound from the right speaker only in both cases. The speaker selection switch needs to be cleaned or replaced.
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Discussion in ‘Troubleshooting and Repair’ started by Pepi9, Nov 3, Just wanted to follow 353r and thank you for the responses and suggestions for the non working left 353r on the second hand Denon receiver I bought. If sound comes out of both sides, then the tuner switch? Try them if you have. Ask a Question Want to reply to this thread or ask your own question? Nov 3, 5. 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.
Nov 3, 8.
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You’ll need to choose a username for the site, which only take a couple of moments here. Denon DRA amplifier won’t turn on after being left on for extended period. 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 Receiver Acting Strange.
Upon turning up the volume, I am only getting sound from my right speaker. I’ll just start out of the gate with what I usually find wrong when this happens: Do you have headphones and a socket to use them in?
The headphones are wired in circuit PRE-the A-B speaker selection switches therefore there is a fault in the amplifier 335e of one channel. After that, you can post your question and our members will help you out. Turning on the power and ensuring that I selected the “Tuner” mode, I located a stereo signal.
Nov 3, 4. It is quite likely that one channel is defective – a common problem with ‘second hand’ equipment.