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One speaker output stops working after a few minutes after I turn on the unit. I do a hard resent and the speaker comes back for a while and then drops out again.

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I turn on my noise and it says video 1 for a few seconds then keeps saying protect


The receiver has an output load problem, turn the unit off, remove the speakers and wires, now! turn it back on and reduce the volume right down, if the word protect stays off you have a short in the wires or one of the speakers. However! if the word protect comes back on "with the wires and speakers dis-connected" there is a short in one or more of the audio output ic's in the receiver, this will require a technician to troubleshoot the extent of damage and cost involved.

Jan 29, 2011 | Sony STR-DE845 Receiver

1 Answer

The radio is working but there is no sound coming from the speakers it was working I turned the car off and when I turned it back on no sound?


If you have high quality after market speakers with a lower impedance (2 ohm and 4 ohm) versus the factory speaker impediance (8 ohm 12 ohm and 16 ohm) your headunits sound out device is probably fried inside your head unit. that or all your speaker leads are fowling out at the same time which i would find that hard to believe. But the good new is, some of the newer head units have a low impediance fail safe, so you could have one speaker that is fowled out that is sending the head unit into protection mode which is muting the output until the fowled wires are cleared. Disconnect your speakers and turn the head unit up playing a cd or something, then connect each speaker one by one. You should have sound. hope this helps.

Aug 07, 2010 | Car Audio & Video

2 Answers

Protection error in denon avr-3000


Hi,

Do you know what caused the protection shut down in the first place? Did you short your speaker wires even briefly?

You could try to Unplug the Unit for Few Minutes, say 30 minutes and then turn it back ON.Usually that would fix the issue.

If you are going into protect mode with no speaker attached,chances are that your output Ic is in need of replacement .This is the most likely cause of a protection error that you are experiencing.I am having a bit of difficulty in locating specific part numbers but feel confident that replacing outputs will remedy your concern.For further info and parts or authorized service locations in your area I suggest to contact mfg at www.usa.denon.com/ .Click on support or call(201)762-6500.I believe that they have a flat rate service and will give you an estimate.

Still, on the remote possibility that it is just a glitch caused by momentary power interruption or fluctuation, try to re-initialize the microprocessor, a hard reset (not unless this is what you were referring to as rebooted). The reset should force the AVR-3300 to revert back to factory defaults removing glitches, errors in settings & configurations, memory & presets as well as user preferences.

* turn OFF the unit using the POWER button;
* press and hold both SPEAKER A and SPEAKER B;
* without releasing the 2 buttons, press the POWER button;
* release the 2 buttons only when the display starts to flash;
* in the event of no display flashing, repeat the process.


Should the above be not corrective, then it would be a hardware fault and not just a glitch.


Let me know, if needed further assistance.

Hoe i helped you.

Thanks for using ' Fixya ' and have a nice day!!

Jan 13, 2010 | Denon AVR-3300 Receiver

2 Answers

Protection light comes on


Disconnect all speaker connections and rca cables. Leave power, ground and remote wires intact. Try turning on again. If you still have a protection light your amp is faulty. Hopefully you have warranty. Dou .A thumbs up would be greatly appreciated if this answer is helpful to you. protection-light-comes-lv2kkrmxrai4iihdvw4m3np2-2-0.jpg http://www.nitrobmw.com/

Jun 14, 2009 | Nitro BMW-482 Car Audio Amplifier

1 Answer

Stops working after a few mins with cd player playing


One of three things: speaker wire short, shorted/or blown speaker, or a bad output chip. First and easiest way to check is to disconnect all speakers, turn it on, turn it up, and wait. If that's ok, begin connecting one speaker at a time with the unit off, then turn on and play. When you get to the speaker or wire with the problem, it will short and go into protection. Disconnect all speaker wires again and only hook up the speaker that shorted the receiver and test. If it shorts, swap speakers with the same wire and test again. If a different speaker on the same wire causes the unit to short, replace the wire. if it doesn't, you need to test the speaker with a multimeter or disassemble if possible, check the wiring internally on the speaker. Check the impedance, should be 8ohms or 6ohms depending on the drivers. then check for resistance. If your meter says 1... it's shorted and needs to be replaced. Hope this helps

May 25, 2009 | Sony STR-V444ES Receiver

2 Answers

Jh202 amp works for a few minutes stops for a few minutes any ideas


Sounds like the amp is going into Protection Mode. Does yours have green LED light then RED LED on it? The green is power and the red is Protection. You will need to either change the OHMS wiring or Put A Fan on it to Keep it Cool Inside.

May 11, 2009 | MTX JackHammer JH202 Car Audio Amplifier

1 Answer

Subwoofer works - sound goes away after some time


POSSIBLY A BREAK IN THE SPEAKER SUPPLY LEADS TO THE ACTUAL BASE UNIT
WE HAD THIS AND IT WAS NOT THE SPEAKER BUT THE BOLT ON CONNECTION UNDER THE SPADE TERMINAL ON THE BACK OF THE BASS UNIT

Dec 16, 2008 | JBL EON 15-G2 Powered DJ Speaker With EQ...

1 Answer

KAC-7202 Major feedback after a few minutes of running.


you might try unplugging the wires from the sub, turn it back on with the wires disconnected- if the noise comes back the amp is probably bad - if the noise doesn'tcome back -turn your head unit off and reconnect the sub- if the noise comes then your sub's voice coil could be shorted- if the noise comes back you should try a different speaker to compare- if the noise still there with the test speaker your problem is definately the amp.
If these suggestions don't help please e-mail me at Merle840@aol.com i will be glad to help. Please give me a good rating if i have been able to help you M. MERLE

Oct 12, 2008 | Kenwood KAC-7202 Car Audio Amplifier

2 Answers

Speakers cut out after about 10 minutes.


Does the system perform normally- as long as it works? If yes, then the Amplifier is at fault. It cannot be the output Transistors or IC, as the sound is coming from both channels. If you know solid state servicing, I advice replacing all the electrolytic capacitors in the Output stages of the Amplifier. Over a period of time these El Caps dry out, and cause headaches.

Oct 03, 2006 | Technics SCEH790 CD Shelf System

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