I have been having a problem with my Marantz AV Surround Receiver SR-73 for the last couple of months. It will randomly turn off and I won’t be able to turn it on for a while. Some times for hours and sometimes for days. For this reason I don’t think it would have to do with overheating as I have read on some forums. It will also randomly turn itself back on sometimes after it last turned itself off hours ago or days ago.
A few weeks ago I took off the top covering and blew some canned air around the power button and after that it worked consistently for a few solid days, but this was quite possibly a coincidence. Two days ago I took off the top covering again and I plugged it in and it happened to be working. While turning it on and off I noticed that the loud clicking sound it makes when turning on and off was coming from the rear of the receiver and that there is a small fuse near where this sound is coming from. I replaced with a new fuse, it worked for a day, but then it turned itself off again.
Anyone have any ideas of what could be the problem?
Thanks so much,
Seguliac
Dry joint around the regulator or relay driver.
Not nice to remove the PCB from its chassis but that is the only way to fix it.
Not nice to remove the PCB from its chassis but that is the only way to fix it.
Random on/off SR-73U
My unit also powered itself randomly. This is 6 months ago, after I set it up in my father's living room so I only saw the unit once or twice a month. A week ago, visiting my father, I noticed it was unresponsive, dead. So I am assuming the malfunction was an indication of something to come.
Did you find the cause? Solution?
I opened her up, checked all the obvious things... found nothing. I enjoyed the sound this unit put out, far better than the majority of its counterparts, IMHO, and want to keep it, if possible. I'll pay up to $50 for repair, but nothing more??? Probably can find one cheaper than $50, with shipping, on ebay.
Thank you,
Zohrab
My unit also powered itself randomly. This is 6 months ago, after I set it up in my father's living room so I only saw the unit once or twice a month. A week ago, visiting my father, I noticed it was unresponsive, dead. So I am assuming the malfunction was an indication of something to come.
Did you find the cause? Solution?
I opened her up, checked all the obvious things... found nothing. I enjoyed the sound this unit put out, far better than the majority of its counterparts, IMHO, and want to keep it, if possible. I'll pay up to $50 for repair, but nothing more??? Probably can find one cheaper than $50, with shipping, on ebay.
Thank you,
Zohrab
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