Question about Sony STR-DE475 Receiver
Amplifier display flashing with "protect" after hearing a loud noise. Can't seem to do anything with it except switch it on and off.
Disconnect all speaker wires from the unit and turn it back on, if it stays on, turn up the volume, if it does not go into protection, you have a speaker problem. If it does go into protection, it's less expensive to replace the unit than to repair. This unit is 9 model years old and was roughly 200-250 new. Any repair will be at least 100-150 and not worth the investment vs. return. If you look at new receivers, take a look at Yamaha RX-V series. Easy to use and very well built. Hope your current receiver is ok though!
If no Protection is displayed, turn off and connect one spkr at a time and test until you find the one that causes a problem, then try another spkr in the place of the one causing the short. if it still shorts, take the good spkr directly to the receiver with a short piece of spkr wire and test in the bad location. if it works then, replace the spkr wire, if it doesn't you've found your problem. Audio output chip. This is a very common problem and is repairable, yet the labor is what cost the most.
Hope this helps.
Posted on May 23, 2009
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Posted on Jan 02, 2017
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