Question about Audio & Video Receivers

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You charged me and then I was disconnected

Either connect me again or give me my money back

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Posted on Jan 05, 2009

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I have a yamaha RXSL100 receiver and when I turn on it shuts off


Could be simple, or you need to replace.

First the simple:
Check your speaker wire connections on the back. People tend to strip way too much of the insulation from the wire leaving exposed copper that may touch and short out against each other.

Here is a simple test.
Document how your speakers are connected paying attention to polarity. Make a chart, label with tape - whatever works for you - then disconnect all speaker wires.

Then do the same for any other connected wires.

With everything disconnected from the back of the receiver, turn it on again. If it stays on, then you probably had speaker wires shorted.

Reconnect all cables again, except the speaker wires and turn the unit on again. It should stay on.

Finally, reconnect the speakers, one pair at a time - being mindful to connect the bare ends cleanly onto the speaker terminal and that there are no stray strands that may touch anything. Turn the receiver on.

Repeat this will all speakers are connected. Your receiver should be find.

It is shutting off to protect itself because of a short on the speaker wire.

OR

It could have been damaged because of a short, or from lightning or you are hard of hearing and really like to crank it up - causing internal damage.

If so, you may need a new receiver.

Good luck!

May 03, 2014 | Audio & Video Receivers

1 Answer

My harman kardon avr 120 powers off by itself in about 2-3 seconds, i press the power button again and goes off again in the same amount of time, what can i do about it?


Hi,
What we are doing, in this case is looking for a shorted out speaker system, or wiring to speakers, or cables or components that are connected to the receiver that have a short circuit. This is what I would do if I were called to your house to debug your sound system.
Follow this procedure and see what happens:

Disconnect one set of speakers at the back of the receiver and turn the power button on again. See if it stays on.
If not, remove the next speaker and keep repeating the test.
If it still stays off, disconnect all of the equipment connected to the unit, one piece at at time.
Somewhere along the line, the receiver may not shut down. If that is the case
identify the the offending cable(or component)and replace or service it.
I hope this solves it for you. If not your receiver will need professional servicing,
Best Regards,
Mark

Jan 20, 2011 | Harman Kardon AVR 120 Receiver

1 Answer

Cervin vegas powered subwoofer not working. Protection light on constantly and there is No sound. What can be the problem


Hi.
Usually this kind of problem occurs if there is and internal fault with either a component on the board or the internal amp has died.
To confirm the subwoofer is at fault and nothing connected ais causing it to malfunction, disconnect everything from the back of the subwoofer. You should now be left with just the sub connected to the mains.
Now turn on the sub with the volume on minimum. If it still goes into protection, there is an internal electronics fault. if it's ok, you need to reconnect everything checking all pollarities are correct.
A repair could cost £25 upwards depending on the problem.
Your best bet may be to sell it for spares or repairs on ebay and replace it with the money you get.

Jan 13, 2011 | Audio & Video Receivers

2 Answers

BACKGROUND HUM PRESENT AT ALL TIMES


Hello,
What sources do you have connected to the receiver? The thing to do is to disconnect your sources one at a time and see if one of those eliminates that hum.

Jan 03, 2011 | Audio & Video Receivers

1 Answer

I was watching a movie on my denon avr-3808ci and all of a sudden it made a loud sound and it shut off. The power button was flashing red and wne I tried to turn it on, the power button would turn green...


probably one of your speakers has blown.. disconnect them all. turn the reciever on.
if this works turn it off connect one speaker and turn it on.. keep going until it goes red...
when you find the speaker discennect all the other speakers keep this one connected and confirm that it is this speaker giving issues.

if the amp doesn't come on with all speakers disconnected, remove the visual outs and start it with nothing connected. isolate the issue if this works. otherwise it might be your amp.

Oct 24, 2010 | Denon AVR 3808Ci Receiver

1 Answer

Front panel lighting is cutting out. A tap on the


The most common cause of this are poor connections at the display on the front panel board. Resoldering these connections should resolve the problem. While rare, it is possible that the connections at the voltage regulators on the main board are the soruce of hte problem. In any case, the repair is a labor only repair. Any shop that handles audio equipment should be able to repair this easily. I usually charge the minimum labor charge and check the entire board for any poor connections while it is open.

Dan

Feb 02, 2010 | Denon AVR-3805 Receiver

2 Answers

Just after we turn it on, it immediately says, "power off" and turns it self off. WHat do we do?


Disconnect all speaker wires at the receiver then turn it back on. If it still shuts off, it needs to be serviced. If it stays on, reconnect speaker wires one by one and turn the receiver on to test. When you find the speaker/wire/speaker connection with a fault, it will shut off. Look at the wire closely to make sure no exposed braids are touching, then check the connection at the speaker. If it looks visibly ok, disconnect at speaker, make sure the wires are separated, and test again. If it stays on, check the speaker itself with a meter if you can for high resistance or a dead short. If your not sure how to do this, take the speaker to any stereo store or electronics shop and they can test it for you quickly and generally at no charge. If you reconnect all speakers and there is no problem. You fixed it!. It's the most common AV problem reported. A single braid as small as a hair can ruin a good day if it's touching from positive to negative. Hope this helps. If you need further assistance, post a comment and I will help you further.

Oct 07, 2009 | Pioneer VSX-D810S Receiver

1 Answer

Harman Kardon AVR325 stays in standby mode


Was a solution ever found for this? I have almost the same problem, except that mine makes a horrible sound through the speakers before it shuts off. However, after an attempt or two, mine usually starts working and sounds fine (I love how this thing sounds!). It seems to happen more when I've let it sit for a week or two. When I use it regularly, it usually works fine. It's almost like it knows when I'm about to give in and replace it... because it will start working again! Maybe I just need to make an effort to use it more....

Mar 22, 2009 | Harman Kardon AVR 325 Receiver

1 Answer

Protector flashing


Protet mode is a special diagnostic mode that starts when a fault is detected.

When in protection mode the unit is prevented from starting by protection circuit, so to prevent further damage.

Check the speakers and speakers wiring, a contact in speaker wires, or faulty speakers can send the unit in protection.

Try unplugging power cable for one hour or so. then connect cable back and see if you get rid of protect state. Sometimes accumulation of electrostatic charges inside circuit capacitors can kick in protect mode. In that case unplugging the unit from main for some times can get rid of electrostatic charges, and reset circuits by draining power completely.
If that was the problem, you will not get Protect when plugging back power cable.

If you do all the above and still get Protect, then there is a real fault.

In that case the unit may be disassembled and tested to find the fault.

If that is the case I suggest contacting the manufacturer at the number listed on the owners manual, or asking a quote on repair to a local technician.

Oct 05, 2007 | Sony STR-GA7ES

3 Answers

Audio suddenly died on my TX-NR1000... but the receiver stayed on


Do you have standby light?If it is not,it is working like PC power supply.If itis notyou have a +13V AC problem (2 gray wire).Check this first.If you dont have it ,Give +13 DC to C9103.You will get standby light.

Aug 12, 2007 | Onkyo TX-NR1000 Receiver

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