Question about Harman Kardon AVR 130 Receiver

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Harmon kardon 745 displays "unlock" no sound for tv or movies


everything seems to work hdmi1/hdmi2 etc ... however there is no sound in any function


appreciate any help

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  • Anonymous Jan 13, 2009

    dvd/cd no sound with this function will play through tv also radio plays



  • Anonymous Feb 08, 2009

    avr 635 doing the same thing



  • COCKERkulet Apr 20, 2009

    i cannot unlock the receiver from DVD

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I also had this UNLOCK message on my Harman Cardon AVR 130.
The reason for this error was - in a hurry I've plugged the optical input into optical OUT! Double check that your connections in the back are correct and hopefully it fixes your problem.

Cheers,
Sergey

Posted on Mar 01, 2009

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No sound to Tv ears from Harmon Kardon

Posted on May 27, 2013

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How to I unlock a Harmon Karmon Avr 130?

Posted on Sep 12, 2010

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Posted on Jan 02, 2017

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