Question about KLH R5100 Receiver

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L & R speakers go out periodically

My left and right speakers go out periodically.  The center, back right and back left work fine.  I've swapped the speakers around to see if the speakers are broken, and they work fine in the other positions.  Have done the same with the wires.  So I know the speakers and wires are not the issue.  Is it actually the connection in the back of the receiver?  Can I fix that?  The speakers started going in and out periodically, and if out would usually come back on after an hours use or so.  Then they went out completely.  After being out for weeks, they just popped on today.

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Re: L & R speakers go out periodically - KLH R5100 Receiver Audio & Video Receivers

What is the value of resistor R51

Posted on Apr 07, 2011

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Re: L & R speakers go out periodically

Yes you just need to find a repair center bestbuy circitctiy 50$ to look at it

Posted on Feb 12, 2008

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go to audio set up and configure the system for 5.1 or higher sound output.then only all the speakers ll work

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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?


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I have a Kenwood stereo receiver model k2 3600 , the left speaker keeps going out , the right speaker works fine. I've tried adjusting the speaker wire for the left speaker, and I always end up having...


1, switch the working right speakers cable to left output and problem left to right (from the back of receiver -not from the speakers it self..) to see if problem continues..

2.After switching them ,if it (old left new right one ) still stops left speaker cable may have short ( a tiny cable inner pieces may touching to other side ) at either at the back of receiver output or at the end ,at speaker input .
make sure you control it carefully...if the problem persist please contact to me..

Take care and please Remember to rate/vote and give me 4 Thumbs Up
for Helping out the Community :)

Hope this helps!

Jun 17, 2011 | Kenwood Audio & Video Receivers

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Installation of sony ta-ve 170 wiring diagram

Hi, l have Sonyta-ve 170 in good condition,sub wofar connected but the four litter speakers ( center, front right & left,etc.
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Sep 22, 2010 | Audio & Video Receivers

1 Answer

No sound from front left channel

Try swapping the connectors for front-left and front-right (just swap right at the back of the amp)

After the swap, does the front-left speaker work, and now the front-right is dead? If so, then it's a problem in the amp.
If not, then the problem is in the wiring and/or the front-left speaker itself.

Post back here with your findings, and we'll troubleshoot whichever part of the system is broken.

Apr 08, 2010 | Onkyo TX-SR605 Receiver

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The left channel on my denon avr-1507 no longer works. The speaker tests out fine. Is there a fuse that can be swapped for this or some other easy fix?

there are no speakers fuses on this model it only shows relays so your probable couse is your left channel went bad specially if you like to play it loud and for long periods of time ( I recomend that you have it repaired by a profesional ) good lock ,, I have the service manual in case you need it

Dec 16, 2009 | Denon AVR-1507 Receiver

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My left rear speaker has no sound. All others work. I have tested the speaker on a different reciever and it works fine. My reciever is a integra DTR 5.5

Swap your left and right rear speaker over. If you still get no sound from the right speaker connected to the left speaker connection on the receiver, then you have a fault on the receiver output. Check your manual first to see if any setting switch off the rear speaker before taking the unit for repair or replace

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If the optical cable was bad, the sound would be distorted period. The optical cable (whether coax or fiber) just simply carries the coded audio to the receiver which in turn decodes it. I have never heard of a signal just screwing up the center channel, and I've been at this better than 30 years. Not to say it's impossible, but very unlikely.

Did you try swapping speakers? Move the left one to the center and the center to the left. Does the center remain "distorted"? Does the left become "distorted"? If the center remains distorted, the receiver's center channel has something wrong with it. If the left is distorted, the speaker has a problem.

For the future. it is un-neceaasy to purchase expensive cables. In fact it could make things worse. The claim to fame of most expensive cable manufacturers is the gold plating on the connectors. Unless the bioth sides have gold plating (receiver, cable box) this actually creates a capacitive reactance between the different metal types. FYI-capacitive and inductive capacitances are the basis for designeing cross-overs, filters, etc. So basically, an undesired filtering effect is created. This applies to speaker cables, audio, video, etc....


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Onkyo Tx-SR55

did you swap the left from speaker with the left front?
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