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I touched my speaker wire and my amp is out when i turned it on the reset trips

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The output transistors are blown. This unit requires service. This is not a repair that I would recommend to a novice. Expect a parts cost in the $50-$100 raneg for this amp.

Dan

Posted on Sep 05, 2009

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Shut up stereo protect mode?


Protect mode is on because something in your speaker wiring is wrong, or you have a broken speaker, or it\'s too late and you already fried one or more of the amp\'s output transistors.



You gotta fix the problem. Not remove the safety guard and carry on with a busted machine.



Look for wires touching between the speaker terminals or on the backs of the speakers. If you done a half-ass job of wiring up then this is the most likely cause.



If you can\'t find bad/frayed wiring, then disconnect all the speakers out the back of the amp. Switch the amp on. Does it trip out? If no, that\'s good. Turn up the volume. Is it still okay? If yes, that\'s good. You haven\'t yet killed the output transistors. If it goes in to protect though, ut oh. It\'s Repair Shop Time.



If the amp is okay, then power off and add one speaker. Power on with the volume down. If it trips either at no volume or when you increase the sound, then you got a bad speaker and you just found it. Repeat the process, adding one speaker at a time. Make sure you put Vol to minimum and power off each time before adding the next speaker.

Sep 14, 2014 | Sherwood Rd-7405hdr 7.1-channel 70-watt...

1 Answer

Jvc rx 5052 overload when volumes open


Could be....
  1. There's a short in your speaker wiring somewhere
  2. or a blown speaker
  3. or you are recycling the speakers from an old all-in-one system and they're too low Ohms
Check your speakers first. If they are less than 8 Ohms, or there's no label on them which gives the Impedance (in Ohms) then I'll lay money that they aren't suitable for the amp. Stop using them and get some proper 8 Ohm speakers.

Wiring shorts might be only a single strand of copper wire. But it's enough that at higher volumes it conducts enough current between the speaker terminals to trip the amp's protection mode.

Fix the problem. Go through your wiring. Check using a torch. If all looks good then it's a blown speaker.

Remove the speaker wires from the amp. Switch the amp on and turn the volume up full. The amp should stay on. Turn the volume down and switch off.

Now connect ONE speaker only. Try the amp on and volume up again. If it trips out then that's the faulty speaker. Repeat by adding one more speaker each time. When the amp trips, the last speaker added is the culpret.

Sep 08, 2014 | Audio Players & Recorders

1 Answer

Carver manual


Could be....
  1. There's a short in your speaker wiring somewhere
  2. or a blown speaker
Wiring shorts might be only a single strand of copper wire. But it's enough that at higher volumes it conducts enough current between the speaker terminals to trip the amp's protection mode.

Fix the problem. Go through your wiring. Check using a torch. If all looks good then it's a blown speaker.

Remove the speaker wires from the amp. Switch the amp on and turn the volume up full. The amp should stay on. Turn the volume down and switch off.

Now connect ONE speaker only. Try the amp on and volume up again. If it trips out then that's the faulty speaker. Repeat by adding one more speaker each time. When the amp trips, the last speaker added is the culpret.

If you've done all the simple stuff, then what's left is a problem with one of the output transistors. It needs the output transistor(s) replaced inside the unit. These directly drive the loudspeaker outputs on the receiver itself, and one or more of them being shorted (closed circuit), will trigger the error on the display of the receiver, and it will not go off until the problem is repaired. They are not user-replaceable as they are PCB mounted, and thermally coupled to a heatsink. In this case, the unit is in need of service.

Sep 07, 2014 | Audio Players & Recorders

2 Answers

Hi i touch two of the speaker cables together and it turned it off. now when i turn it on it turns it self off after a couple of seconds. is it repairable?


Assuming those speaker wires are no longer touching, you probably blew it up.

Generally speaking, an amp protects itself from heat, shorts and overloads by refusing to turn on.


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.

Feb 03, 2011 | Onkyo TX-SR606 Receiver

1 Answer

The amp turns on but has no sound coming through the speakers


There should be several channel choices and speaker connections, make sure they both match.
If you are not sure, put the amp on main or 1 and try all the connections until you find the ones that sound is being routed to.
Also overload protection is pretty sensitive, if you have touched wires together or mixed up + and - you may have tripped it, and may need to reset.

Jun 14, 2010 | Behringer EUROPOWER EP2500 Amplifier

2 Answers

My home stereo amp goes into protection mode after about 2 min of being powered on do you know why/


The chances are that it does so due to a faulty part. Often these protection circuits are to detect an overload in either the power supply or the main amp section. Sometimes it's due to a speaker wiring problem, cables that are not suppose to touch - touching. They sometimes reset when either the overload has gone or the wire touching has been corrected. This sounds like it might be too late, and now a semi-conductor (on the heatsink) is acting like a piece of wire! Tripping the circuit. If you get power to the unit (lights etc) then it's probably not the power supply section to blame.

May 24, 2010 | Kenwood Audio Players & Recorders

1 Answer

Receiver doesn't turn on, trips out


sounds like a cross wired speaker, or a wire is touching either inside the speaker box, or the actual wires are touching at the terminals. this is simple to remedy unplug everything from receiver, then with it turned on and at a low but audible level. plug each one in till the problem occurs again. the time it occurs will say that you found the problem speaker. good luck. also manipulating wires often corrects any problem with wires touching accidentally.

Dec 14, 2009 | Yamaha HTR-5890 Receiver

1 Answer

Turn on, in a few seconds Flashing "OVERLOAD"


Overload  usually only appears if you have been using higher volumes for a period of time and this trips to protect your speakers and amplifier. Turning off your amplifier and leaving for a while and it automatically resets. other wise a would check your speaker cabling to see if any wires are  touching shorting out the circuit. Try removing you cables from your amp then turn on. If it turns on without Overload appearing the problem is between amp and speakers. Check your cables at both ends and while at it give them a clean then hook up everything ( Amp should be off) then turn on the amp and see if you get message. If you still get this message you could have  dry/ broken soldering on the inside and the amp is detecting a dc short in the system. This seem to a common thing these days. In which it will be a repair job.  Low impedance speakers or speakers that have a wide impedance swing when they are running at high volume can cause a amp to trip if it hasn't got enough current to drive low impedance speakers. Hope this has been of help.

Nov 17, 2009 | Pioneer VSX-455 Receiver

2 Answers

Protector and "push Power"


Please check speaker wires should be properly connected and not touched / shorted.
Push Power Protect is error sign when unit got problem in Power Amp area and mostly its Power Amp Out IC failure.
I would suggest to ask Sony for warranty cover.

Nov 30, 2008 | Sony BRAVIA DAV-HDX267W Theater System...

1 Answer

I touched two speaker wires together and amp will not respond


That is a very nice amp . Try not to touch (short) those wires together. But yes, the amp has protection and is shutting off to protect it.

Nov 26, 2008 | Alpine PDX-1.1000 1000W x 1 Car Amplifier...

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