Question about Harman Kardon AVR 520 Receiver

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I HAVE A HARMAN KARDON AVR 520 and get a humming sound coming out of the receiver

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Posted on Jan 02, 2017

SOURCE: Harman Kardon AVR 40 no sound

Check the fuses - there may be one inside the box as well. May also be a bad transformer. You can get a multi-meter at Home Depot and lookup how to check the power at the transformer.

Posted on Sep 06, 2008

WolfenHawke
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SOURCE: Harman Kardon AVR 135 6.1....AUDIO DELAY???

This model does have a delay function. Programming is on page 19 of the user manual. Go to http://www.harmankardon.com/product_support/interstitial.aspx?sJump=ps&Region=USA&Country=US&Language=ENG select all products, AVR135, and get the owner's guide. If you have trouble with the link, then go to the Harmon Kardon site, and make your way to the support portal and then select all products.

Posted on Nov 26, 2008

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SOURCE: can I conect harman Kardon avr 230 to apple tv

Yes, although it (AVR) does not support HDMI only component video.

Connect the audio to the receiver and the video directly to the TV if you have inadequate video inputs, or want to take advantage of the HDMI.

Posted on Jan 01, 2010

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SOURCE: My Harman Kardon AVR 330 is locked. Can't unlock

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Posted on Feb 12, 2010

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I have a Harman Kardon AVR 210. When I first turn it on I get a humming sound from the speakers. All inputs. It lasts about 10 minutes and goes away once it warms up. Pls help.


It sounds like the power supply in your receiver has one or more filter capacitors that aren't working. They smooth out the voltage as it's converted from the AC (alternating current) provided by your electric outlet to the DC (direct current) needed by the electronics. The capacitors in your receiver are slow to charge up, and until they do the result is that hum you're hearing.

It's not difficult to replace bad capacitors, but the right tools and skills are needed. You should probably let a professional repair this unless you or someone you know is comfortable working with electronic repairs. Stereo retailers and musician's stores often have repair service available, or can recommend people to you.

Jun 26, 2011 | Harman Kardon AVR 210 Receiver

1 Answer

HARMAN KARDON AVR 130NO SOUND FROM SUB WOOFER


Register and download the manual for free at retrevo.com

http://www.retrevo.com/support/Harman-Kardon-AVR-130-Receivers-manual/id/386ci155/t/2/

The receiver must KNOW it has a sub and you must decide how bass is managed among all your speakers and set up relative levels.

May 21, 2011 | Harman Kardon AVR 130 Receiver

1 Answer

Can I conect harman Kardon avr 230 to apple tv


Yes, although it (AVR) does not support HDMI only component video.

Connect the audio to the receiver and the video directly to the TV if you have inadequate video inputs, or want to take advantage of the HDMI.

Dec 08, 2009 | Harman Kardon AVR 230 Receiver

1 Answer

Humming noise


Usually Humming noises come from frequency interferance.  In this case it is being caused by your input sources.  A smiply solution is to replace the cables and or seperate the source cables away from any electircal cords or sources.

Jan 07, 2009 | Harman Kardon AVR 225 Receiver

1 Answer

My new Harman/Kardon AVR 154 has no sound and the blinking light cannot be fixed because I cannot get the OSD blue menu to come up on the TV screen from the remote.


Do you have your receiver output connected to the input on your TV? For example, if the receiver is in connection number 1, is your TV set to connection 1?

Dec 29, 2008 | Harman Kardon AVR 235 Receiver

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