Question about Sony STR-DB780 Receiver
No, the receiver is protecting itself from damage. If you have it in a cabinet, make sure it's getting plenty of ventilation. If you have not cleaned out the inside with "dust off" do it. Dust is like a blanket and heat is the second leading cause of component failure. Secondly, check your speaker wiring, make sure you don't have excess braid hanging out of the terminals, if one braid touches the other terminal, it won't immediately shut down, however, as soon as you turn it up your increasing the resistance and voltage, therefor causing it to go into protection. That's the number one cause of failure in receivers. Check wiring at both sides, receiver and speaker. Also, make sure your speakers are not 6 or 4 ohms, that causes undue heat as well and will damage the unit. Hope this helps
Posted on Oct 03, 2009
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Posted on Jan 02, 2017
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