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VSX-1020-K receiver repeatedly shuts down as if overheated, but is not hot at all, very free ventilation, occurs even when not on for a long time; clearly a false signal re: overheat/shutdown

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The first test you can do is to disconnect all the speakers either by switching off the speaker A and B on the front panel or disconnecting all the cables from the back terminal Make a note of which wire goes where for reconnection.
Then turn it on and see how long it stays on. Low speaker impedance can also trigger protection circuit. This will confirm if its external or internal problem. Internal will require professional help.

Posted on Apr 11, 2011

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MY vsx-820 receiver shuts off when I turn the volume up to a certain level. Appears to be overheating and auto shutting down. Solutions?


Generally speaking, an amp attempts to protect itself from heat, shorts, overloads and operator exuberance by refusing to turn on or stay on; or it may turn on but produce no audio to the speakers.

Overloads can be from excessive periods of high output or marginally low impedance loading by the speakers; and shorts would be wiring issues or a speaker blowing up.

You should be able to feel if it's hot. WHY is it overheating? Make sure it has sufficient ventilation on all sides and that vent holes are not blocked by dust balls. Ensure the fan (if equipped) is running as designed (some only operate on demand). Clean dust and debris from it.

If the amp comes back on after cooling, you're lucky. They only have so many self-protection cycles in their lives so continuously resetting or cycling their power without addressing the cause can do more harm than good.

If it protects immediately on a cool power up you should disconnect the speaker connections and try it 'nekkid'. If it comes up then diagnose which lead(s) are shorted. If it does not come up the problem is internal and should be left to an experienced and competent hands-on tech.

Sep 16, 2011 | Pioneer VSX820 51 Channels Receiver

1 Answer

Pioner Elite VSX-81TXV shuts off at loud volumes, even using Avia setup disc and even when using the auto calibration mic.


Generally speaking, an amp attempts to protect itself from heat, shorts, overloads and operator exuberance by refusing to turn on or stay on.

Overloads can be from excessive periods of high output or marginally low impedance loading by the speakers; and shorts would be wiring issues or a speaker blowing up.

You should be able to feel if it's hot. WHY is it overheating? Make sure it has sufficient ventilation on all sides and that vent holes are not blocked by dust balls. Ensure the fan (if equipped) is running as designed (some only operate on demand). Clean dust and debris from it.

If the amp comes back on after cooling, you're lucky. They only have so many self-protection cycles in their lives so continuously resetting or cycling their power without addressing the cause can do more harm than good.

If it protects immediately on a cool power up you should disconnect the speaker connections and try it 'naked'. If it comes up then diagnose which lead(s) are shorted. If it does not come up the problem is internal and should be left to an experienced and competent hands-on tech.

Check for loose speaker connections at the speaker as another possible root cause forintermittent shutdown.

Jul 11, 2011 | Pioneer VSX-81TXV Receiver

1 Answer

My pioneer vsx-816 sshows overload then shuts down,it happends when the volume is around 42 i have wharfedale speakers


Generally speaking, an amp protects itself from heat, shorts and overloads.


Overloads can be from excessive periods of high output and shorts would be wiring issues or a speaker blowing up.


You should be able to feel if it's hot. WHY is it overheating? Make sure it has sufficient ventilation on all sides and that vent holes are not blocked by dust balls. Ensure the fan (if equipped) is running as designed (some only operate on demand). Clean dust and debris from it.


If the amp comes back on after cooling, you're lucky. They only have so many self-protection cycles in their lives so continuously resetting or cycling their power without addressing the cause can do more harm than good.


If it protects immediately on a cool power up you should disconnect the speaker connections and try it 'naked'. If it comes up then diagnose which lead(s) are shorted. If it does not come up the problem is internal and should be left to an experienced hands-on tech.

Jan 25, 2011 | Pioneer VSX-817-S

1 Answer

Pioneer VSX D710S, I hook everything up and turn the unit on, after about 5-10 seconds it flashes POWER OFF and shuts down.


I wouldn't hold my breath waiting for free detailed circuitry.


A precise make and model might yield more-specific answer.


Generally speaking, an amp protects itself from heat, shorts and overloads.


Overloads can be from excessive periods of high output and shorts would be wiring issues or a speaker blowing up.


You should be able to feel if it's hot. WHY is it overheating? Make sure it has sufficient ventilation on all sides and that vent holes are not blocked by dust balls. Ensure the fan (if equipped) is running as designed (some only operate on demand). Clean dust and debris from it.


If the amp comes back on after cooling, you're lucky. They only have so many self-protection cycles in their lives so continuously resetting or cycling their power without addressing the cause can do more harm than good.


If it protects immediately on a cool power up you should disconnect the speaker connections and try it 'naked'. If it comes up then diagnose which lead(s) are shorted. If it does not come up the problem is internal and should be left to an experienced hands-on tech.

Jan 24, 2011 | Pioneer VSX-D710S Receiver

1 Answer

I just bought a VSX-820 and it seems to shut down automatically as soon as turn the volume up


Make sure the speaker wires are tight.

http://www.retrevo.com/support/Pioneer-VSX-820-K-Receivers-manual/id/23653ag912/t/2/

Generally speaking, an amp protects itself from heat, shorts and overloads.

Overloads can be from excessive periods of high output and shorts would be wiring issues or a speaker blowing up.

You should be able to feel if it's hot. WHY is it overheating? Make sure it has sufficient ventilation on all sides and that vent holes are not blocked by dust balls. Ensure the fan (if equipped) is running as designed (some only operate on demand). Clean dust and debris from it.

If the amp comes back on after cooling, you're lucky. They only have so many self-protection cycles in their lives so continuously resetting or cycling their power without addressing the cause can do more harm than good.

If it protects immediately on a cool power up you should disconnect the speaker connections and try it 'naked'. If it comes up then diagnose which lead(s) are shorted. If it does not come up the problem is internal and should be left to an experienced hands-on tech.

Jan 17, 2011 | Pioneer VSX-1016 Receiver

2 Answers

Reciever keeps shutting off!


If your reciever is in a tight enclosed space, than it will overheat and shut down to protect itself. Try to get some ventilation to it by either opening the cabinet door, adding a fan, or pulling it completely out of the enclosed space.

Jan 05, 2011 | Pioneer VSX-33TX Receiver

1 Answer

Have a Pioneer VSX-1018 receiver. When I connect


You speakers are out of phase. Check to see if the polarity is correct on the receiver and the speaker. Positive (red) with positive, negative with negative (black). Also check the impedance of the speaker, it should be located on the back of the speaker measured in ohms. Make sure that your receiver matches the impedance of your speaker. You can find this in the settings of the receiver.

Dec 08, 2009 | Pioneer VSX-1018AH-K Receiver

1 Answer

Pioneer VSX-D509S keeps shutting off


Aside from any intrinsic problem with your receiver, the usual suspects are;
1) Poor receiver ventilation. 2) Very high levels of bass. 3) Shorts in the speaker wiring. 4) A rubbing loudspeaker voice coil.

Sep 20, 2009 | Pioneer VSX-D509S Receiver

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