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Yamaha RX-V670 center channel failure

Center speaker channel no longer works. Is this problem worth the cost of repair. Unit has been a reliable performer, but I am not willing to pay half the cost of a replacement to fix it.

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Change the pwr output stage semiconductors. Cost of parts should not exceed 10-15 pounds

Posted on Nov 17, 2007


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No center channel sound on my Yamaha receiver

Is the center channel amp blown? How about checking the center channel input wire for signal?

Jan 06, 2017 | Yamaha Audio Players & Recorders

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Sound center

Replace center channel speaker with known good one. If no longer scratchy then the voice coil of removed unit is rubbing against the magnet pole and the speaker needs to be replaced. If the replacement speaker also sounds bad, then the amp for the center channel needs repair.

Nov 23, 2013 | Yamaha RX-V490 Receiver

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Yamaha rx 530 center channel cuts out

Thanks for all the suggestions guys.

I've tried using the balance for left and right speakers, and when the receiver is acting up with the right speaker having a low volume, I tried moving the balance all the way over to the right speaker. The right speaker volume will not increase in volume but the left speaker will decrease in volume.

Just to clarify, the center and the rear speakers are balanced. The issue only happens sometimes when I first power on the receiver I will have no center channel. If I leave everything alone for a few mins, the center channel will come on.

So it seems to me that something one the receiver is going. The question is, can anyone suggest a physical repair for the receiver for these symptoms?


Jul 20, 2012 | Yamaha RX-V530 Receiver

1 Answer

When I set my Yamaha rx-v363 amplifier to 5ch Music Enhancer all my speakers (including the sub woofer) work fine except for the center speaker. I can't even adjust the center volume on the amp (but I can...

The receiver automatically pick the best configuration for the source audio. Most music is 2 channels being up-sampled to 4 channels. (Sub-out is separate.)

Mar 22, 2011 | Yamaha RX-V363 Receiver

1 Answer

Yamaha RX-V365 Receiver when I hook up my center channel it is not audible at all. The R and L speakers work fine when they were located in the FRONT A and FRONT B terminals, but when I moved everything to...

With what signal did you try? Maybe your signal source (DVD/TV or radio) didn't contain any sounds for the center channel.
Go to the Setup menu, Speaker setup / Manual setup and find there item called "Test tone". It will output a test tone to each speaker individually (you will see on LCD which speaker is being tested at each moment). If you will hear a sound from the center now, there is no issue and center is working fine, just your source didn't contain any sound for the center.

If it doesn't work, then either you have faulty cable, faulty speaker or faulty center output of the receiver.
- Try connecting the center speaker to different output of receiver (this will test if speaker is OK).
- Try connecting working LEFT speaker to left output with CENTER cable (this will test if cable is OK).
- Try connecting working LEFT speaker with working cable to the CENTER output (this will test the output of receiver if OK - but use the Test Tone from Setup).

May 18, 2010 | Yamaha Rx-v365 A/V Home Theater Receiver

1 Answer

Re: Yamaha RX V670 Receiver Powering Off

I have found there are capacitors failing through the output circuit. Look for 10, 33, 47, etc.. microfarads.In that range. I charge typicaly 150 to $200 with parts on something like this. Larry's Electronics

Apr 23, 2010 | Audio Players & Recorders

1 Answer

Jvc rx-805v repair (response)

Depending upon what parts are required, parts are still available for this unit. There are either direct replacements or substitutes available from generic suppliers. JVC may no longer supply the parts, but most electronics components are available.


Jul 22, 2009 | JVC RX-E100 5-Channel Amplifier

1 Answer

My RX-V490 Amp. has no audio from Centre speaker.

Is your center mode set to "Phantom" instead of "Normal" or "Wide"? That would split the mono Center channel program and mix it equally with the programs for both front speakers so your brain would believe it's in the center.

May 17, 2009 | Yamaha RX-V490 Receiver

1 Answer

Center channel drops once unit warms up

You don't have an external amlifuer, do you? You could hook the pre-amp out for the center channel to an external amp and connect the speaker to the amp. That way you could determine if it is the center channel output or the internal amp. Either way you probably need to get it serviced.

Best Regards,


Aug 28, 2008 | Yamaha RX-V659 Receiver

1 Answer

RX-V596 center and rear channels do not have any sound

Nevermind... My center channel output was set to "NONE" I've had this receiver for a few years now, probably set it that way back when I got it. Oh well, Helps to re-read the user manual...

The info is in the "SET MENU" section of the manual, Pages 35-38. Should solve the issue for "almccrum" above as well.

If you don't have your manual it can be downloaded here:

Oct 06, 2007 | Yamaha RX-V596 Receiver

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