Question about Sony STR-DE597 Receiver
From the Sony site "The word UNLOCK may appear in the display if there is a problem receiving a digital audio signal. Follow the steps below to troubleshoot this issue. Ensure the correct input is selected to receive the Audio/Video (A/V) from the appropriate source. Ensure a digital cable is connected to appropriate DIGITAL jack. Ensure the other end of the digital cable is properly connected to the A/V source. Ensure the A/V source is set appropriately to output a digital signal. NOTE: The A/V source may have a DTS setting that needs to be turned on, or a DPCM setting that needs to be set to Dolby Digital."
Posted on Aug 12, 2007
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Posted on Jan 02, 2017
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