Question about Sony STR-DE345 Receiver

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My receiver powers on normally, and functions for a while. Then there is a "Clink" noise, and the speakers all go silent, but the receiver is still on. Any ideas?

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  • lizarofdoom Dec 12, 2009

    From OP: "Protect" does not come up on the screen, and it seems to happen not long after it is powered on. There is nothing obstructing cooling vents. Could internal dust be causing this? The speakers have come back on a couple of times, and sometimes come back when you give it a good whack.

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Look for PROTECT icon or alert on display the clink is usually the internal breaker switching the unit off to protect from catastrophic failure due to overdriving or grounding, etc. Also make sure it is not over heating. make sure there are not a bunch of other components stacked over the vents on top , give it a space to get air to cool off during use. they do get hot and click off, THE SCREEN WILL STAY ON.

Posted on Dec 12, 2009

  • Bernard Bejma Dec 15, 2009

    Your outputs are on the way out, this is what happened to my first sony A/V unit. I would turn it on and it would work fine for a while then just go out, "whack" it & it would come back on and work for a while after about 3 months the thing went out completely. Took it to a shop where they told me it happens to these units all the time. They had 2 others on the shelf that they were using for spare parts because once the owners heard the replacement cost they just left them. Start shopping deals for a new one. Good Luck!! Thanks for the 3 thumbs!

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