Question about Harman Kardon AVR 130 Receiver
everything seems to work hdmi1/hdmi2 etc ... however there is no sound in any function
appreciate any help
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.
Posted on Mar 01, 2009
No sound to Tv ears from Harmon Kardon
Posted on May 27, 2013
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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