Question about Sony STR-DE345 Receiver

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Protect Mode Goes into Protect mode at different intervals. Opened up component and cleaned out. Also noticed that if the receiver is on and not in Protect mode, that with the cover off if you push slightly outward on the back panel it triggers it into Protect mode. Like a ground problem maybe. Any suggestions?

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  • mikeyd61978 Mar 11, 2009

    my receiver buzzes then shuts down and goes in protect mode. It'll work a few minutes before it does this but every time BUZZZZ then protect..



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There are bad connections on the main board that are effected by heat. I would suspect that when the volume level is higher, the system shuts down sooner. This should be a simple repair that will not require parts. If you can solder, you should be able to repair this yourself. If not, the cost will be the local labor rate.

Dan

Posted on Jul 21, 2008

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