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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. I’ll just start out of the gate with what I usually find wrong when this happens: Turntable only working on one channel. Nov 3, 2.
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. Denon DRA amplifier won’t turn on after being left on for extended period. Do both channels work in any other mode? 335t may not be your problem and you may have to troubleshoot to find the electronics failure, I am currently just trying to get the receiver to work in Tuner mode.
I appreciate rda time and support provided. Nov 3, 3. Nov 3, 4. Do you have headphones and a socket to use them in? If you have a mono switch, then switching to mono will provide the same signal to both audio amplifiers.
If one side is still faulty, I would compare the amplifier voltages with the good side but this may be getting a bit deep 35r you. Let me try this again as I appreciate the advice being provided and as such am confirming the steps I have taken below.
Dr 4, On a more positive note, these are widely available as replacements so fixing the unit seems more than probable. Having said that, the only connections I have made are: 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 cra the fault is in. Nov 3, 6. Tested Speakers “B” in same way.
Denon DRA 335r 2 Channel 124 Watt Receiver
Nov 3, 1. Power cord plugged in. As with many electronic items like yours, repair is always possible but the final decision may be based da either your skill sets in managing the repair yourself with our full assistance of course or handing it over to a ‘paid’ repair service where the costs exceed the value. 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.
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.
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. Nov 3, 7. Nov 3, 5. Is there an easy way to clean the speaker selection switches? Speakers “A” – connected both left and right speaker, ensuring polarity is correct for both.
The speaker selection switch needs to be cleaned or replaced. It is quite likely that one channel is defective – a common problem with ‘second hand’ equipment. 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.
You’ll need to choose a username for the site, which only take a couple of moments here. Ask a Question Want to reply to this thread or ask your own question? We need to isolate whether the fault is in one channel of the stereo FM receiver or in the amplifier itself. Search Forums Recent Posts. Given that the other channel works we can take it for granted that the DC positive and negative rails are ok.
Upon turning up the volume, I am only getting sound from my right speaker. I did confirm via another receiver that both speakers are in working condition. Thanks for dr assistance. After that, you can post your question and our members will help you out.
DENON DRAR STEREO RECEIVER Gloucester, Ottawa
I am also trying to find a User Manual 335f this receiver. Nov 3, 8. Similar Threads Speaker not working. Thank-you for the links to the manuals. Discussion in ‘Troubleshooting and Repair’ started by Pepi9, Nov 3, I have ensured that the balance knob is in the centre position.