I've just bought a new Denon X2500 AV receiver. Ensure the top of the home audio device has proper ventilation to keep it from overheating. In the following I've had the same speaker and wiring … Update: Unit has been sold Ebay Junk unit on a Sony STR-DH710 with HDMI. When this initially happened a month or two ago, I reconnected all the speaker wires which temporarily resolved the problem--it worked fine. In this channel example, the non-flammable power resistor is R716 which is a twin resistor package consisting of a pair of 0.22 ohm resistors in series. Dark Mode was introduced in iOS 13 and announced at WWDC 2019. Refer to the video below for how to remove "Protect Error" on a Sony receiver. Checked and found that the complaint was accurate. Sony Audio Receiver in Protect mode Repair Fix STR-DG720; The repair of a Sony STR-DG720 audio receiver in the protect mode. Reduce the volume level. PROTECTOR as soon as I turn it on. It is in PROTECT mode everytime I turn it on. State of Trance 2008, Mosaik’s music… ahhhh…. Your stereo receiver is going into protection mode because the receiver has an internal short, a speaker is bad or the speaker wiring has a problem, such as incorrect wire gauge or bad connections. Is there anyway to get it out of PROTECT mode, without having to change some part inside. I have a Sony SRT-SE391 stereo receiver, I opened it up to try to fix a problem that I have been Gavin with it. The purpose of the protect error is to protect the amplifier components from damage should a short circuit occur. Ensure the top of the home audio device has proper ventilation to keep it from overheating. You can switch between the entities and … Sucks…. If we look at one side of the push-pull stage, we see that if Q703 goes short between its collector and emitter junctions, the voltage rail would flow through the speaker and ground, however, there is R716 in the path, which will go open. 2 thoughts on “Sony receiver in protector mode FIXED!” ... March 18, 2013 at 7:58 am I had the same “protect” problem with a Sony STR-AV1070 I was ready to take a hammer to. I tried unplugging all tr speakers and input before turning it on and it still doesn't work. I have a Sony SRT-SE391 stereo receiver, I opened it up to try to fix a problem that I have been Gavin with it. Part of the protection circuitry are relays that disengage the speakers once the Sony has gone into auto-protect mode. Is there anyway to get it out of PROTECT mode, without having to change some part inside. Press the power button to turn on the stereo system. When you see this message, the first thing to do is to switch OFF the amplifier immediately, and disconnect the speakers from the terminals, at the amplifier end. Senior HTF Member. I’d already vacuumed out the inside (which wasn’t really dusty anyway), but proceeded to disconnect and reconnect every connector in there, and there’s a BUNCH. I wonder if that relay is bad. They cannot both be one the same time. By Jestine Yong on June 20, 2015 I got this AVRX500 Amplifier Receiver with the complaint that it was going to Protection Mode. It would require a hard short across the speaker terminals in order to damage them. Unplug the receiver's power cord from the wall and leave unplugged for at least one hour. When I turn it on it just says "protect." If that doesn't work, disconnect the power lead from your receiver for 30 seconds and then reconnect it. Sony Audio Receiver in Protect mode Repair Fix STR-DG720 All Articles Posts FAQ Pages The repair of a Sony STR-DG720 audio receiver in the protect mode. The MP1620 is a PNP type, whilst the MN2488 is its complimentary NPN transistor. Jan 28, 2002 #3 of 16 John Garcia . If the issue is still unresolved, service may be required. I have a Sony STR-DE197 receiver. Red Power LED was blinking after the power on, when preliminary display round is over. An input ( what an amazing phone that is! ) STOP button and folder minus button at the time... 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