Question about Pioneer VSX-D411 Receiver

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After unit is on for about 15 minutes it clicks into a buzzing noise & when turned off pops. if i leave it off for about 45 minutes it works again for about 15 minutes, but if i turn it off & back on it still buzzing

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  • ld4d01 May 11, 2010

    I am not sure what you are asking but will answer to the best of my knowledge. I am using the fiberoptic connection from my samsung hdtv to my pioneer reciever. I think that would be my input source, and I am using the TV/SAT & it is set on 5-stereo advanced surround. I hope this is what you asked

  •  Aaron
    Aaron May 11, 2010

    Hello FixYa customer, What input source or sound field are you using when you get the buzz? Thanks

  • ld4d01 May 11, 2010

    to procolortv, yes the buzzing noise is coming from all 5 speakers however I can almost drown out the buzz if I crank up the volume, so the buzzing noise doesnt go up when the volume is turned up, I can hear the buzzing best at a very little or no volume. My input is on TV/SAT & 5 speaker stereo advanced surround setting. I am listening to my unit right now & is working perfectly, its just a matter of time before it pops into the buzzing sound & drives me crazy, its very frustrating since I love to watch blue ray concerts

  • ld4d01 May 11, 2010

    to SciPhinx, I was thinking it was an overheating problem also because it just makes sense. in your opinion would it be very expensive to get it worked on or would I be better off buying another reciever? I have had the unit app. 5 or 6 years, is that good or should I expect many more years of service from my pioneer VSX-D411 if repaired? Thanks

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First I would like to verify that the buzzing noise is from the speakers, and or subwoofer and goes up and down with the volume control. 2nd if it is a noise inside the receiver then that would take us in a different direction, possibly to a chattering power or speaker protection relay.

Back to the intent of the first post, I was trying to determine if you were getting an analog hum or digital processing error in the audio.
So knowing which input, surround, on/off, DSP on/of settings would steer us in the proper direction.

The turn off pop is interesting, because it may indicate a voltage off set being applied/removed to the speakers or an audio processing malfunction.

An experienced technician would first verify the power supply voltages, speaker offset voltages and bias, and then isolate to the analog or DSP section.

Thank you for using FixYa

Posted on May 11, 2010

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It seems like some component(s) become over heated by the time. It could be caused by either some faulty component(I guess Capacitor or Transistor in which case they must be replaced) or bad heat transfer(radiator, mounted on power transistors) that must be resoldered and/or screws/clips must be tightened.

Good luck
SciPhinx

Posted on May 11, 2010

  • Bru Sha Aug 23, 2010

    Sorry that i didn't see your following comment. How much it will cost depends on two main factors.
    One who does the job and second what the problem is. Some components are very rare and hard to get hence quite expensive. The technicians expertise determines the time and effort needed to localize the problem and repairing the unit. I was looking att some receivers for a while back and saw two from Sony with good specs for under 200 bux. at BestBuy. Sony makes good and affordable stuff imo. I'd suggest you buy a new one cuz even if you repair it often such problems put stress on other components weakening them and you might need to repair it again soon.


    GL
    Bruce

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  • 4 Answers

Hi Id4d01,

In order to eliminate the overheating possibility, have you tried taking your receiver out of whatever enclosed space you have it, and run it like that?

Obviously this is not a solution, but rather a troubleshooting suggestion. If the receiver runs longer without popping and buzzing, then you have confirmed that heat is the issue. If it doesn't occur at all, then putting the receiver in a bigger enclosure and making sure nothing is lying on top of it is a possible solution. If the popping is delayed (i.e. it takes 30 min instead of 15 min), then repairs would be in order.

Cheers!
Iordan

Posted on Aug 10, 2010

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