Question about Sony STR-DG520 Receiver

2 Answers

Need unlock code for sony str-dg520 5.1

Just brought this for my son no sound display comes up unlock do you have the code

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  • billibaba Jan 30, 2009

    All cables are disconnected, and connected once again.. Still unlock appears on display :(
    Auto calibrate runs smoothly, pictures are perfect but no sound while Blue-Ray-player is connected..


    Any sollutions I may not have tried ? Is a code what i need ?

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The HDMI inputs are pass through inputs only. The reciever cannot recieve any sound signals through the HDMI's. The reciever acts as a selector switch for the HDMI inputs only. Whatever input you have selected on the reciever is the one that is being sent through the output to your TV. The "unlock" display shows when there is no sound signal sent to the reciever. There is no code to unlock. This is the reciever's way of telling you that there is no sound being sent to it from that input. Since there is no sound being processed from the HDMI's, you need to hook up an additional audio cable from the device to the reciever (preferrably an optical cable). When the reciever recieves an audio signal, it will then "unlock". I know it is confusing. I had to look into this problem myself, so I'm happy to help. Higher end recievers will actually recieve and process sound signals from the HDMI's. When I bought this one I thought it was going to do the same. That's what I got for trying to save a couple bucks on the cheeper model! Although it is still a good reciever.

Posted on Feb 05, 2009

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STRDG520 : From what I figured out the use of BD for input but no digital optical cable is connected.
I had to use the DVD HDMI connection and the Digital coaxial to get the sound from the Amp. for My HDMI satellite connection.
Hope this helped

Posted on Dec 28, 2008

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Posted on Jan 02, 2017

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