Basically mt reciever is switching between A & B speakers like a little kid is playing with the buttons
with or without speakers connected, it will turn on "A", turn it off, turn on "B" turn it off and continue thusly until I get frustrated and turn the machine off
sound does come out of the speakers for the second their side is on, but otherwise it is the repeated clicking of speaker switching
I have a service manual, but am not about to poke around something I cannot see, and for some reason I cannot locate the source
Hello FixYa Experts, I have an A&B speaker switching problem with my Onkyo TX-DS747. It jumps back and forth between the A & B setting. As I have it set to the A setting there is no audio until it jumps back. The amp is clean and A & B buttons are clean and have positive positions when pushed. The amp will keep the A setting once it is warmed up but as time goes on it is taking longer to lock onto the A setting. There are other posts with the same problem on FixYa so I will add my post to the list and see if the experts can find a Fix. Thanks much, Edd
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If the speakers used to switch off when the headphone plug was put in the socket, suspect the socket it goes into as being the trouble. It is clearly not connecting the speakers, when the headphone plug is removed.
The reciever will go into protection mode when there is a short in the speaker wires or the amplifier was overloaded. What I would do first is verify that none of the speaker wire connections are loose at the back of the reciever or at each speaker. And verify that none of the wires are making contact with each other. Then label each speaker wire as you remove them from the reciever so you can re-install them correctly. After you have disconnected the speaker wires try unplugging the reciever for 10 to 15 minutes. Most recievers have a self-resetting overload protection switch and this should reset it back to normal. Now try plugging the reciever back in and turn it on without the speaker wires connected. It should be out of protection mode now. If it is still in protection mode verify that there is not a reset switch somewhere on the back of the reciever. If it is not in protection mode now then proceed to connect one speaker set at a time and turn on the reciever to see if it goes into protection mode. If it goes into that mode after connecting a speaker then that speaker is the cause of the problem. If it does not go into the mode after all speakers are connected then try turning the volume up. If it goes into protection mode then there could be an internal short on the amplifier or a incorrect OHM rated speakers connected to reciever. Verify that the speakers are rated the correct OHMS.
I recently got the same receiver and had the same problem. Here's what I was told - and it worked for me:
Even though HDMI cables carry audio and video, for whatever reason this reciever won't accept audio through hdmi. Apparently only much more expensive recievers carry audio through hdmi. What you have to do is run optical audio cables from your xbox, cable box, dvd player or other video device to the optical inputs on the back of the reciver. Then you customize the scene buttons to match your video and audio inputs.
You can get these optical cables pretty cheap on line or even at target. Don't get ripped off by Best Buy for these cables. I love best buy, but they rip off on cables!
This receiver is great - once I got it all figured out and running right I've loved it! Hope everything works out for you!
I had the same problem. Set the reciever on 6 channel stereo. On this setting, you should be getting the same sound out of each speaker. Isolate which speakers aren't getting sound. Now, on your speaker switch (the A/B button), select A. If that doesn't fix it, select B. If that doesn't fix it, try A and B (if you can on your reciever).
Now, when you switch back to pro-logic, make sure your a/b channel switch is in the position that worked in 6 channel stereo. Yamaha recievers have a memory, and when you switch various modes, it makes auto adjustments based on what you had set in the past.
You didnot mention wehther you selected external speakers on you tv. If your TV allows this then do that, first.
Also the sound input to your TV must come from some source, (cable/ Sat). You could remove the audio inputs to your TV and only allow the audio to go to your Receiver.
RCA cables will allow this to be easy just remove the red and white audio to your TV. If you have sent them to your reciever then you must balance the cable box volume (reduce to the lowest level , then raise your recievers vol until satisfied if you are to loud when you switch to a CD then raise TV vol until they match, so your CD doesn't play to loud when switching modes)
If you are using an HDMI cable to your tv than there has to be a setup for turning off the internal speakers on your TV.
What the type of switch you have there? its like a push button or a soft button? Often you have a contact switch problem on your unit. I f can access the switch contact and clean it that maybe can help on your problem.