The left rear surround channel of my Onkyo 696 sometimes works and sometimes doesn't. If I run the audio test, and it's not working, sometimes by increasing the volume on that channel I can get it to kick in and work, or I might get it to kick in if I turn it off and then turn it back on. I've also had this problem with the front right speaker, but not nearly as frequently as the left rear one. Someone mentioned cleaning the contacts, but I'm not sure if they meant the external speaker contacts or some internal ones. I have no problem opening the receiver up and doing some work if it would clear up the problem whatever it might be. So thanks to anyone who might have a solution to this problem... Sincerely, soinie.
Re: Left rear surround channel sometimes doesn't work
If your receiver has speaker protection relays and they are intermittent due to bad contacts you might be able to repair them if they are not sealed. Most are but take a shot. They make small files for this purpose. Replacing them can be daunting because yo may not have good access.
Tap the relay with the receiver playing and see if it helps.
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from the problem description, it sounds like a wiring/setup problem with the speakers. check to make sure you are only using the main 'a' front r & l speaker connectors. if you select speaker set a + b on the front, you will not have the rear channels. please see the speaker connection guidelines in the manual on page 13-15. make sure the audessey mike and/or headphones are not plugged in when trying to use the speaker set up function.
Unfortunately can't connect it that way. The pre out is only meant to go directly into an amplifier that has all of the same inputs (front/rear, center and surround), not a standard receiver. (Pre amp to amp only, not pre amp to receiver) If your Onkyo doesn't have all the same inputs as your Kenwood preamp has outputs you will just use your standard left/right outputs from the Kenwood to your Onkyo input (CD, Tape, Phono,DVD etc) then use the outputs (front/rear, center and surround) from your Onkyo receiver and connect directly to your speakers..
Have the same amp and speakers, had some trouble getting the imput signals sorted from the HDMI input as im using a PC with HDMI output from the mother board and Windows Media Centre. havent tryed using the mic set up yet.
Did you resolve the issue? have you tried the 7.1 outputs
Sounds as if it's time for a shop visit, unless you want to try this yourself. The panel connection on the rear of the receiver, or the protection relay have apparently come loose from the circuit board. It happens sometimes when stress causes the cabling to pull on the back of the unit..accordianman
So your saying that you have no rear channel. Some recivers use a single stereo output ic for both sides on the rear speakers. you could have a defect with this IC . Anther thing Im sure you check3ed the obvious ie : the switch is on suround sound? If there is a front to rear fader is it in the middle? Good Luck