Question about Harman Kardon HK 3550 Receiver

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Harman Kardon AVR A3550 humming noise

I have exactly the same humming noise problem as described before. When I power up the amp there is a huming noise with dissapears after about 7 min, any ideas.

Many thanks

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5 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 8 Answers

SOURCE: Harman Kardon AVR 120 turns off by itself after normal work for about 1 min

Do you get an indication on the display where the point of failure might be? It would show up on the LCD speaker diagrams just before shutting off.

Posted on Dec 28, 2007

robotek
  • 1512 Answers

SOURCE: How to I reset my

Hi odysy

I got this from the manual page 43.

Resetting the Remote Memory
As you add components to your home-theater
system, occasionally you may wish to totally
reprogram the remote control without the confusion
of any commands, macros or ”Punch-
Through“ programming that you may have done.
To do this, it is possible to reset the remote to the
original factory defaults and command codes by
following these steps. Note, however, that once
the remote is reset, all commands or codes that
you have entered will be erased and will need to
be re-entered:
1. Press any of the Input Selector buttons 4
and the ”O“ button Hat the same time until
the Program/SPL Indicator 2begins to flash
amber.
2. Press the ”3“ button Hthree times.
3. The red LED under the Input Selector4
will go out and the Program/SPL Indicator
2will stop flashing and turn green.
4. The Program/SPL Indicator 2will remain
green until the remote is reset. Note that this may
take a while, depending on how many commands
are in the memory and need to be erased.
5. When the Program/SPL Indicator 2goes
out, the remote has been reset to the factory settings.

I am more than happy to answer any other questions you may have about it, please get back to me here, or use the ASK function to go straight to me :) If you are still unsure, have problems, or we need to look at the situation more deeply, then before you give a rating for this advice, hit the ASK button Thanks for using FixYa, If you consider the advice I have given you as sound, a FixYa rating is a great reward for my efforts to help you. Cheers.

regards robotek

Posted on Jun 29, 2008

WolfenHawke
  • 13 Answers

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

  • 382 Answers

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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Hope this solution has been helpful?
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harman-kardon-avr-745-looks-frozen-igzigj2finjgh1nndvq1cugs-5-0.png harman-kardon-avr-745-looks-frozen-igzigj2finjgh1nndvq1cugs-5-1.png

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Humming sound(speakers)when HK AVR 3550 is powered up?


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