Question about Pioneer VSX-D810S Receiver

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Squealing from front channel

I have a loud squealing noise in the right front channel after the amp heats up a bit..... would this be a failing capacitor? If so which one? Thx, G

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Probably some components have become thermo sensitive and are on the edge of failing. There are many components in these units, and it is impossible to guess at exactly what has failed. The receiver will require proper trouble shooting by an experienced tech to service it.
Jerry G.

Posted on Jun 26, 2008

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10 years and first problem to repair. When you turn on and select DVD or any other selection a very loud cracking noise comes through right speaker only. So loud (with volume tuned off too) that I fear...


I think your receiver is damaged.

Try this.

Mark the speaker wires on the back of the receiver. label the speaker connected to the left channel "Left" and the speaker connected the the right channel "Right"

Also pay attention to the polarity (positive an negative) making some type of marking on your speaker wire so you can reconnect them correctly.

Disconnect both left and right speakers.

Connect the speaker wire that is labeled "Right" to the receiver's left speaker connections only then turn your receiver on.

IF the loud noise comes back, this speaker is damaged. I am guessing that the speaker is fine.

Now connect the speaker that was labeled "Left" to the receiver's right speaker connections and turn the receiver on.

IF the loud noise comes back like it did before but now playing through the "good" speaker there is a problem with your receiver.

If so, your receiver is 10 years old. Isn't it time for an upgrade? Try ebay for good used equipment deals.

May 01, 2014 | Onkyo TX-DS787 Receiver

1 Answer

UNIT TURN ON THE THE SPEAKERS MAKE A LOUD SQUEEKING NOISE AND A POP THEN THEY GO OUT


You might want to disconnect the speakers at this point just in case they haven't been irreparably damaged by the amp problem.

Try the amp 'naked" (no speakers). Does it still cycle off? Take it to a technician. If it stays up try one speaker; then the next. At some point you will either have identified the failing component/channel or the failure will have gone away (doubtful).

Jul 10, 2011 | Denon AVR-1908

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Pioneer VSX-1015TX 7.1 Receiver AMP ERROR I just recently started getting this AMP ERROR message when I try to change input sources, it does not matter which source I click on, for example, whenever I...


I would recommend checking your speakers polarity ( + on the + - on the - ). Also check to make sure the wires are not touching each other where they connect to the speaker or amp. Also check your input connections if you are not using HDMI or Optical. Worst case is you have to send it in to get serviced. Hope this helps

Mar 15, 2011 | Pioneer VSX-1015TXK Receiver

1 Answer

Right speaker amplification is gone. sound comes out but is not amplfied and loudness button does not work. where am I looking on the schematics to troubleshoot?


Before we go cutting the patient open, a bit more triage. Maybe a model number?

What source(s) have a failing left channel?

How do you know the 'sound comes out'? Where?

Use FM as your test audio source to eliminate the no-brainer cabling issues.

Feb 19, 2011 | Sansui Audio & Video Receivers

1 Answer

My Harman Kardon AVR 220 reciever's front-right channel isn't working. I have switched the two front speakers and the right speaker works on the left channel so it is not a problem with the speakers or...


if front left is working it is possible u have a dry solder on ur right channel line. try resoldering or if u want to know exactly where dry solder is, shake gently every right channel components and connections. if resoldering does not work it is possible u have a faulty ouput amp for ur right channel. if ur not sure about this i suggest u get it checked by a qualified tech.

Apr 05, 2010 | Harman Kardon AVR 220 5.1 Channels...

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I just hooked up our surround system/dvd player after getting new tv.. don't think it was ever hooked up right on the old one as it only came on when played dvd. Now, I hear terrible high pitched squealing...


You still didn't say which speakers are making the noise. If it's the Right and the video looks bad it's likely you have the RED Audio cable and the RED Video cable swapped in that 5-piece cable.

Feb 20, 2010 | Audio & Video Receivers

1 Answer

NAD T955 amp has dropped a channel, when i turn it on the led starts off blue instead of red, when the other channels change to blue from red it emits a loud POP noise from the lost channel. No noise comes...


Hello.I know the post is old but i had the same Amplifire NAD T955 with the same problem.I send my Baby to a Service in Austria and they can easy repair it.Im very happy again,it works nice.If anyone had this problem contact them.Harlander GmbH in Vienna.Homepage reparatur-service.at.
Greetz TommyS

Apr 15, 2008 | Audio & Video Receivers

1 Answer

Loud distortion on Front Channels


Well, the nice thing about the newer amps is that the actual amp circuitry is all contained in a module and you don't have to do much troubleshooting. Just replace the module for that pair of channels. Bad news of course is the modules can be pricey. Should say right on it the part number, order it from mcminone.com or whoever, solder it in, use new conductive grease (many times I think these modules fail because the grease gets old, the module overheats and toasts) and you should be fixya'd

Jan 12, 2008 | Marantz SR-5200 Receiver

1 Answer

Only the Front Right Channel is working.


it sounds like to me the transistors might be out in it they are on the heat sink inside check to see if there are any ones blown

Jul 29, 2007 | Onkyo TX-DS575 Receiver

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