Question about Sony STR-DE835 Receiver

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Sony STR DE835 center channel issues.

I have the STR DE835 from Sony. I have read similar issues from other owners of this receiver but I can't seem to get schematics or information on how to fix this. The center channel after a couple minutes of being on I hear a ticking sound and the center channel will cut out. A tap on the side of the receiver will generally restore the sound but it will happen about 4 to 5 times after the receiver is turned on. After those 4 to 5 occurances, it will generally have no issues until turned off and turned back on....then the issue arises again. I cleaned the inside with compressed air and a cleaner designed for such applications. I then hooked the unit up without the top on and by tapping on one of the pieces inside I can replicate the issue. I'm still not 100% sure if I'm tapping the culprit or merely creating a vibration that travel to the root of the issue.

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  • Colorado8042 Mar 02, 2009

    I think I found the problem. There is a 2200uf 35V cap that, when pressure is applied, will effect the center channel being on or off. I took it all apart to be able to access the underside of the board. Now I just need to order a new capacitor and solder it up. Hopefully that will work

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It could be your wire. try using different speaker wire. if it still has that same problem, take the cover off and tap on the amplifier.

Posted on Mar 01, 2009

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IF any other source plays fine with the RR speaker, and IF it only happens with the DVD player and IF you're using the 5.1 analog audio feeds to the STR, maybe the audio on that channel is **** from the player. You could prove that by temporarily swapping the RR input from the DVD to any other channel input and test it at a medium level.

If it stays with the DVD RR output, the player or the cable would be suspect. Swap in a different cable and make sure it is not routed uniquely near any sources of magnetic fields, motors, UV or track lights, etc.

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If you're using digital input all that advice was a waste of time to create as there is nothing external to the chipset that could affect one input channel. Try a different digital input on the STR.




Jan 30, 2011 | Sony STR-DE835 Receiver

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My SONY STR-DE835 receiver amplifier is showing PROTECTOR on the digital readout.Anybody know what that means.


These models are known for this issue.
I've had my share in the shop here.
Disconnect all speakers,turn speakers off, try headphones only
If it still persists then there is either :
1. power supply capacitors gone bad or 2. The thermal fuse in the transformer is open.
A tech can very easily find out if the thermal fuse is open by checking the primary of the transformer
if the plastic is shrinking away from the power supply capacitors then they've gone bad

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1 Answer

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Apr 14, 2010 | Sony STR-DE835 Receiver

1 Answer

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Dec 04, 2009 | Sony STR-DE835 Receiver

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My STR-DE835 receiver will not stay powered on


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Nov 16, 2009 | Sony STR-DE835 Receiver

1 Answer

Hook up problems


either cut an rca cable and splice it to the speaker wires (not easy because the rca cable is coax type or buy rca ends from radio shack and do a little soldering

Jan 02, 2008 | Sony STR-DE835 Receiver

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