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I appreciate the time and support provided. If sound comes out of both sides, then the tuner switch? Nov 4, Nov 3, 8. Nov 3, 5. Turntable only working on one channel.
Denon DRA 335r 2 Channel 124 Watt Receiver
Ask a Question Want to reply to this thread or ask your own question? Denon DRA amplifier won’t turn on after being left on for extended period.
Nov 3, 1. Thank-you for the links to the manuals. You must log in or sign up to reply here. Search Forums Recent Posts. Dec 7, I am currently just trying to get the receiver to work in Tuner mode.
That may not be your problem and you may have to troubleshoot to find the electronics failure, Speakers “A” – connected both left and right speaker, ensuring polarity is correct for both.
Just wanted to follow up and thank you for the responses and suggestions for the non working left channel on the second hand Denon receiver I bought. As with many electronic items like yours, repair is always possible but the final decision may be based on da your skill sets in managing the repair yourself with our full assistance of course or handing it over to a ‘paid’ repair service 33r the costs exceed the value.
Turning on the power and ensuring that I selected the “Tuner” mode, I located a stereo signal. Sadly, there are 335 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.
It is quite likely that one channel is defective – a common problem with ‘second hand’ equipment. I’ll just start out of the gate with what I usually find wrong when this happens: Having said that, the only connections I have made are: 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.
Nov 3, 6. Not sure what you mean by 35r to make sure I am operating the set correctly but I will have a look at the User Manual. Nov 3, 3. I did confirm via another receiver that both speakers are in working condition.
Tested Speakers “B” in same way. I am also trying to find dta User Manual for this receiver. If you have a mono switch, then switching to mono will provide the same signal to both audio amplifiers. Let me try this again as I appreciate the advice being provided and as such am confirming the steps I have taken below.
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We need to isolate rra the fault is in one channel of the stereo FM receiver or in the amplifier itself. 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. You’ll need to choose a username for the site, which only take a couple of moments here. Do both channels work in any other mode? After that, you 335 post your question and our members will help you out. Do you have headphones and a socket to use them in?
Try them if you have. The speaker selection switch needs to be cleaned or replaced. 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. Nov 3, 2. Given that the other channel works we can take it for granted that the DC positive and negative rails are ok.
I have ensured that the balance knob is in the centre position. Power cord plugged in. Denon Receiver Acting Strange. Nov 3, 4. Similar Threads Speaker not working. Is there an easy way to clean the speaker selection switches? 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.
Thanks for your assistance.
Fortunately for me, I was able to 335e the receiver to the seller as I did not have any more time to spend on trying to repair it. Upon turning up the volume, I am only getting sound from my right speaker. I have tried this with both “A” and “B” speaker buttons engaged and get sound from the right speaker only in both cases.