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Over Load light turns on and then we have no sound

It keeps locking (over load light turns on and there is no more volume) I turned the system off and then back on and we have sound. Then after a couple of seconds the light again and no sound. I do not have the remote control
TECHNICS AV CONTROL STEREO RECEIVER SA G9013

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Please disconnect each speaker one by one and test it until you find the bad one-start with cable change and then the speaker itself.

Posted on Jul 04, 2008

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1 Answer

Going to protective mode with load sounds, why?


Sounds like a speaker going bad or being over-driven.

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Hi Strange problem with Marantz pm7001 When ever I turn the volume upto around 1/3 and 1/2 of the way, the amp cuts out and reset it self down to minimum volume. It seems like the amp ins't enough power...


What's probably happening is that the amplifier is shutting down or cutting back the volume as protection from damage. You may have a partial short in the speaker wiring that is not a problem at lower levels, but at higher ones causes the amp to see too low a load. There may a problem with a speaker or crossover component that is breaking down at higher volumes. Or something in the amp's output stage is unable to handle the load.

Test the system with a known good speaker system and length of wire and see if the trouble continues. If it does, you'll know it's the amplifier that needs to be checked. If the test speakers can reach normal volume, you can start checking the wiring and other speakers for the source of the trouble.

Mar 13, 2011 | Marantz Audio & Video Receivers

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I bought a Denon AVR 791 receiver two months ago, work great, sound great with my Definitive Technology Speakers but 3 days ago while I was watching a movie on my PS3 the receiver turned off on the higher...


Clearly, it thinks you're overdriving it.

Blinking Power Indicator every 2 seconds means the internal temperature is high. (Page 76 of the manual)

Every half-second - speaker impedance too low.

Consider the load presented by the speakers and what their minimum impedance might be.

Check for loose speaker wires.

Feb 07, 2011 | Denon Audio & Video Receivers

2 Answers

It turns off when the volume is turned up over one third of the volume knob, but is the speakers don't interfere in any way


sounds like the protection circuit is the problem here which is a good thing because its stopping you from permantly damaging the unit first thing to check would be the impedance of your speakers and then check what your impedance selector is set to on the back assuming you have one be warned that you should never move this switch while the unit is on.My advice would be to unplug it first because that switch plays a direct role in the systems power supply..Hope this works for you

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1 Answer

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Try cleaning the volume control with an electronics switch cleaner spray. If that does not resolve the problem and it seems to happen at low volumes more than load volumes, then the output relay needs to be replaced. Keep us posted. Dan

Jun 12, 2009 | Kenwood Audio & Video Receivers

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ONKYO TX-DS939 (sound and heat/fan issues)


This sounds like the amp is seeing too small an impedence load. In other words, the amp is expecting to see an 8ohm load and is being presented a 4 or 2 ohm load. This will force the amp to work really hard and generate excessive heat. Does the amp generate sound at all? ever? If not, then you probable have a situation with high frequency oscuillations that you can not hear. This means that the amp is sending out a lot of power to the speakers that the crossovers are shunting to ground. Without seeing the output of the amp with a scope, I can not confirm this. This is not a problem that will be solved remotely. Bring the unit to a shop and request that the output be examined using a scope to check the waveforms. I suspect that a bad feedback look internally is causing the generation of the high frequency signals.

Keep us posted.

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Oct 29, 2008 | Onkyo TX-DS939 Receiver

1 Answer

Yamaha htr-5790 no sound


Was there any source playing through the amp when your kid turned on the system?mabye the cd or dvd.If so the speakers may be blowen,to find out put a finger each side of the dome on the bass driver and press gentley,if you hear a rough sound a little like sandpaper or if the cone is stuck you have blowen sprakers,if not let the amp stay off for a couple of hours it should reset.Ps system lock is in your amp menu at the end of the setup list,but this is to lock your settings.
A good habit to get into is to turn system to mimamum when not in use.
hope this helps.
CABLE GUY.

Jun 29, 2008 | Yamaha HTR-5790 Receiver

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Denon receiver shutdown


Try turning down your tone controls. Like your bass, treble, or your equalizer. If you hear too much tinny or hissing sounds, the treble has to be turned down, or turn down the upper bands controls on your equalizer to the optimun level. If you hear too much bassy sounds, your bass control has to be turned down, or the lower band controls has to be turned down to the optimun level. If you are planning on turning the volume up, you may have to turn down some of the tone controls to the optimun levels, otherwise, your receiver may shutdown, or you may blow fuses in your speakers. Also make sure you speaker wire polarity is hooked up right. Red wire on the + red terminals, and the black wire on the - black terminals. Also don't have the volume turned up too high to the point where your receiver would have clipping or distortion, or else your receiver may shutdown, or you may blow fuses in your speakers.

If this don't help, then there may be something wrong with your receiver or your speaker.

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1 Answer

Receiver turns on and clicks off when volume is raised over 8 or 9 on the dial


I had the same problem with my Yamaha amp. It turned out to be a shorting speaker wire. When I resoldered the speaker wall outlet connection it worked fine!

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