Question about Harman Kardon AVR 300 Receiver

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Harmon/Kardon AVR300-Surround Sound is always in the Off Mode.

No matter what setting the reciever is on, the surround sound
shows off on the display screen. Just the front speakers seem
to operate when a DVD is in play. The speakers work when in
a test mode, except the surround speaker is not included in the
testing operation on the AVR300

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4 Suggested Answers

techman
  • 3130 Answers

SOURCE: no surround sound

So your saying that you have no rear channel. Some recivers use a single stereo output ic for both sides on the rear speakers. you could have a defect with this IC . Anther thing Im sure you check3ed the obvious ie : the switch is on suround sound? If there is a front to rear fader is it in the middle? Good Luck

Posted on Jun 04, 2006

renosean
  • 492 Answers

SOURCE: 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.

Posted on Jan 07, 2009

  • 1 Answer

SOURCE: Harmon Kardon unlock error

I have the same problem. All of a sudden no sound through my TV connection (but through the DVD connection the sound was still working). I changed the connection from video 1 to video 2 and got the sound back. It is not a real solution, but a practical one :-)

Posted on Feb 01, 2009

  • 4234 Answers

SOURCE: Harmon Kardon AVR300.**protect** blinks when

The protect message means that the outputs are shorted. This is a fairly common problem that can easily be fixed by any shop that handles audio gear. Expect a parts cost in the $20-$40 range.

Dan

Posted on Mar 17, 2009

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Hi,
Actually Home theater sound, is 3D. (Three Dimentional) Your receiver, using surround speakers reproduces 3D sound.
i.e. It is Left to Right, and Front to Rear. Thus it's 3D. If your get a 3D TV, your sound will be just fine because it doesn't come from the set. The sound SOURCE is the DVD player, CD player or Cable Box. If you use digital audio outputs (optical cable or orange colored RCA cables) from these items connected into the Harmon-Kardon, your will get the full Home Theater sound. The Harmon Kardon does not have HDMI inputs however it will not need them for the purposes of sound. Your Receiver is a high quality unit. If you want the thrill of 3D TV, go ahead and get one. After you have set it up, if you then decide you want to go to 7.1 or some other SOUND upgrade, go ahead. One thing you should know, is that there is not a whole lot of audio quality improvement available after 5.1. Unless you have a very large living room. The real quality counts when choosing the speakers and sub woofer that go into the system, not the amount of speakers you have.
I have done a number of high end home theater installations and the experience of hearing the systems (mostly 5.1) has been a thrill for the owner.
I hope this helps you,
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Hope this helps,
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