The center channel suddenly stopped working in THX mode (it is there, but almost completely inaudible) and is barely audible in other modes. I have swapped speakers and it appears to be a problem with the receiver. I have used the level calibration to raise the level of the center speaker. That helps in other modes, but in THX still pretty much nothing.
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Re: In THX mode, no sound from center channel
Hello if you already switch your center speaker with other and no sound still even in all modes you right you got a problem inside...do this to be shure you have a problem turn it on discnonnect the center speaker and measure with a voltmeter the center output and if is delivering under a 3 volt ac take it to repair shop it has a shortcircuit,.................saludos
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Getting the connections right is a problem. One thing I find helps is the THX DVD discs that certain movies have on them. They have a sound set up to get it right. It makes a tone for each channel so you can hear which channel is working. It should help you set up the system right and determine if any channel has a fault on it.
Check your audio settings, via the on-screen menu. The center channel may be turned down. When set at -5 to -8, the center channel speaker may be practically inaudible. If raising the volume of the center channel does not solve the problem, then you do have a dead center channel. The system would then be in need of repair.
Just to rule out the easy solutions, have you made sure no settings changed? Make sure that you didn't accidentally turn off any surround sound settings or turn off the center channel in the MCACC setup or the like (I have the VSX-D814, so your receiver should have MCACC as well). If you're sure no settings changed and the center channel should be working according to the receiver, then it would appear that the center channel amp went out in the receiver. You can either get a Pioneer service center to take a look at it, or if you're comfortable with electronics, I believe you can get the parts straight from Pioneer.