Question about Harman Kardon AVR 130 Receiver

1 Answer

My HK AVR-132 doesn't process corectly anymore the signals from optical inputs (DD or DTS 5.1). It happened since I bought a WD TV Live and connected it to the receiver by optical cable. Since then, the sound in the movies with DD or DTS is very poor, the voices are almost unhearable, and what I heard from the movie soundtrack it's only the bass and the ambiance music, vocies are very low. Tried different inputs from cable with DD, WD TV Live, but no luck. The receiver identifies correctly the signal as DD or DTS but the sound is very poor. I can't understand what happened, it worked correctly since 2007...

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  • calin1975 Apr 02, 2011

    You are right but in this case the receiver is connected via optical cable directly to the primary source (which is WDTV Live media player).
    My main concern is that the digital sound processor of the reciever is damaged, is there any way to find out? But again I mention that the the receiver show that it correctly acknowledges the digital signal, including the message "DOLBY DIGITAL 3/2/.1 EX OFF" showing the appropriate icons. I tried to reset the receiver to its factory settings but no luck.
    Any other suggestion is welcome.
    Thank you.

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  • Master
  • 8,546 Answers

If you're processing digital audio into the reciver via the TV instead of directly from the source it REALLY originates in (Cable, for example), you are wasting good expensive optical cable and introducing opportunities for digital data problems. I always run the BEST audio and the BEST video directly from their prinmary sources to the BEST electronics that can handle each one. That means they take entitrely different electronic routes from their origins to my eyes and ears.

You need to evaluate what might be happening to the audio on its way (unnecessarily) through the TV to the receiver.

Posted on Apr 01, 2011

  • calin1975 Apr 02, 2011

    Unbelievable, i just checked again the wiring of the speakers and... surprise, the center speaker which is responsable with the voices in DD or DTS had 1 wire disconnected (probable due to the loose of the screwdriver). Fixed the wire and now the sound is beautiful with voices hearing ok, Thank you again.

  • David Dunn
    David Dunn Apr 02, 2011

    I have been lurking on Fixya for awhile and have yet to hear about a digital processor failing on a single channel. In the data world (which this IS) it's usually complete failure or flawless operation.

    It is ALWAYS WISE to eyeball the relevant connectors before declaring a problem. Look at all of your speakers for tight connections. A loose or vibrating speaker wire can kill an amplifier.

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