Question about Sony STR-DE685 Receiver

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The sound goes off and says "unprotected"

Unprotected shows up on the display and the sound goes off

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Check speaker wire connections on the back of receiver
bare wires should never touch each other or the metal chassis
if all connections and speakers seem ok the problem is internal witch can go from blown power supply to shorted output devices and everything in between , and as always look for repair shop in your area, do not attempt to do it yourself, firehazard and electric shock are the things we all want to avoid ;)

Posted on Sep 02, 2009

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Posted on Jan 02, 2017

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When trying to play music the display shows "Unknown Format"


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Cant do anything the padlock sign is on and I dont know how to remove it so I can upload my pics to pc thanks averil, greece


It sounds like you have put the photo's into a protected state.
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Set the mode dial to >
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1 Answer

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