Question about Sony STR-DE835 Receiver

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Sony STR-DE835 Right Sound Out

I've had this receiver for over 8 years when I received it as a gift. It's been top notch never had any problems up until a few months ago where the right channel began to stop working.

I did everything to single out the source of the problems, the right speaker works fine and the receiver receives the input perfectly fine since I can plug in my headphones thru the headphone jack and listen to it correctly. I resorted to putting the speaker wires all into the left channel just so I can hear out of both speakers but listening two left speakers bugs me out too much.

So the problem is within the receiver. I'd like to send it in to be repaired but I don't know how much it'll be (any ideas?). And I don't really feel like spending money on it being repaired if it's a simple problem I can fix. Is there a way I can open it up and check the problem; I don't think I'd know where to begin to look considering the specificity of the problem. But I hope someone out there will.

I don't know the basic terminology for the anatomy of receivers. But if you give me a picture/description then place a name for it I can work with it :). I'm not a complete noob but neither am I a pro.

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  • natet Sep 13, 2008

    i recently just did a re-evaluation of the inputs/outputs and it turns out the subwoofer is the actual culprit. the receiver is still good :).

    i couldn't believe i overlooked having to check the subwoofer.

    thank you for your help dave!

    nate


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First, unplug the extra speaker you have connected to the left channel. It will blow the channel if you have more than one speaker connected to each speaker output. It causes double the amount of current to flow thru the channel and will eventually cause you to pay much more for a repair.

The problem you have with the receiver could be a relay not making good connection inside of it. The speaker outputs have a relay for each pair of channels and if the contacts inside the relay get dirty, which they will do after a few years, can cause the problem you are describing. It could also be a broken solder connection on the relay or on the speaker jack on the circuit board. There are even several other things that could be causing it, but these two are the most likely. If you have no experience with electronics, you really should just take it in for repair. I have seen on many occasions when somebody tries to fix something themselves and cause much more problems than they started with. If you have a soldering iron, solder, and solder wick, you could open the unit up and check for broken or cold solder joints and then reflow the solder on them. Also, check the relay for bad solder connections. Many times you can take the top off of a relay and check the contacts and if you see black areas on the contacts they need to be burnished with a burnishing tool. You must also make sure that you put the receiver back together perfectly without forgetting anything. Make sure that all the ribbon cables and connectors are back in the proper places, if one goes into the wrong connector, it will cause big problems, propbably causing smoke, which is a very bad thing for electronics.It is very likely that the repair will not be too expensive if you take it to a service center, probably under $100 depending on the rates and honesty of the service center. I have been repairing audio equipment for over 18 years and have seen many good and many bad repair centers.

Without having the receiver in front of me to check out, I cannot guarantee that the problem is what I have suggested, but it is the most likely problem with the symptoms you have described.

I hope this helps you to make a good desicion with your receiver, if you need any further help let me know.

Dave

Posted on Sep 06, 2008

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