If that doesn't work, disconnect the power lead from your receiver for 30 seconds and then reconnect it. Senior HTF Member. You can switch between the entities and … I have a Sony STR-DE197 receiver. It would require a hard short across the speaker terminals in order to damage them. The most common form of short is usually user error when they short the speaker terminals, or overload it by attaching too many speakers. Opened … The manual says I have a short-circuit problem. I disconnected all the speakers and all the cables, and when I turn it on it is still in PROTECT mode. If it goes into protect with the fuse blown that indicates the high tap is on. If the protection mode warning doesn't go away on its own, press the reset button. Oscar, … My Sony STR-DA30ES Fix (18 yr/o reciever) I have a Sony DA30ES - 18 years old now (legal age to smoke knock on wood) and started getting clicking, popping, static and other noise that I could whack out of it for a time but recently started getting 'Protect Mode' and no audio. My Sony DB930 goes into 'Protect Mode' when it is turned on. © 2021 Paul Higginbottom, a.k.a. Press the power button to turn on the stereo system. There is no way to bypass the Protection mode other than fixing the problem. The STR-K740P protect error usually occurs in the form of "PROTECT" flashing on the display, and this article looks into how to fix this error and bring the amplifier out of this mode. Press and hold the STOP button and folder minus button at the same time until the word RESET appears on the display panel. Unplug the receiver's power cord from the wall and leave unplugged for at least one hour. This still happens even after all speaker wires, etc are disconnected. Remove all speaker and audio cables from the back of the receiver while waiting. 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. I’m now testing with loud playback connecting my blackberry storm to an input (what an amazing phone that is!). from here Plug the power cord back in and then power then turn on the receiver. 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. I read about the grounding issue and while I found this doubtful I’d looked around the internet for solutions and most described things I’d already done, plus the usual “they all do that, throw it out” unhelpful comments. I've just bought a new Denon X2500 AV receiver. However if the protect message keeps appearing all the time and without the speakers attached, then it is likely that there has been permanent damage to the internal components, and the unit will require repair. NOTE: If the A/V receiver does not display PROTECT with all the components disconnected, turn off the A/V receiver and connect one component at a time, turning on the A/V receiver between each connection, to see what component is causing the A/V receiver to go into the PROTECT mode. Sony Audio Receiver in Protect mode Repair Fix STR-DG720. I … I have a Sony STR-DE197 receiver. Joined Jun 24, 1999 Messages 11,571 Location NorCal Real Name John Unplug it for a while. Ensure the top of the home audio device has proper ventilation to keep it from overheating. If the receiver shuts off after connecting a speaker, that speaker's wiring or the speaker itself has a problem. Browse and shop online for Outdoor Security Cameras, Home Security Systems and more. NOTE: If model-specific information is needed to complete any of these steps, refer to the instruction manual with the product. Dark Mode was introduced in iOS 13 and announced at WWDC 2019. This is to save your receiver from burning itself out. It is in PROTECT mode everytime I turn it on. Sony Receiver in "Protect" mode. Senior HTF Member. This is a complex piece of Japanese electronic engineering and it requires a fully qualified and experienced electronic engineer to repair it, therefore do not attempt to repair it. I have a sony receiver that keeps going into protect mode. Is there anyway to get it out of PROTECT mode, without having to change some part inside. If the protection mode warning doesn't go away on its own, press the reset button. Home > Audio Repair > Protection mode in Denon AVR-X500 solved. Reduce the volume level. This is a home theater amplifier which immediately goes into the protect mode after power on. Remove the object covering the ventilation holes of the receiver. After 3 times goes into protection mode. By Jestine Yong on June 20, 2015 I got this AVRX500 Amplifier Receiver with the complaint that it was going to Protection Mode. Turn off the receiver and let it cool for a few hours; then try again. If it is blowing the fuses it would indicate the low tap is on. Go online to Sony and enter the model number of your receiver and see how many watts it is capable of producing in each channel. If the receiver shuts off and goes back into protect mode you will need to contact your Onkyo dealer. The receiver will automatically turn off after a few seconds. When I turn it on it just says "protect." When this initially happened a month or two ago, I reconnected all the speaker wires which temporarily resolved the problem--it worked fine. Especially if your microphone was already working fine before with the same. Anyway, did all that, fired it up, AND IT WORKS! Switch on the receiver. The repair of a Sony STR-DG720 audio receiver in the protect mode. but it still says protect, push power. Free repair help Audio, Audio Systems - solve sony str de475 protect mode. If the impedance of any of the speakers is below the rated impedance range indicated on the rear of the home audio device next to the speaker connections, the home audio device may enter the PROTECT mode. Beznuk, Apr 30, 2011 #1. solidworks step by guide , physical … If it goes straight in to protect mode then your problem is a blown output transistor. I couldn't find a fuse to replace so I put it back together. My Sony DB930 goes into 'Protect Mode' when it is turned on. 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. I have a pretty old Sony Receiver (STR-K840P). Wonder of Wonders, it worked. sections, we look at what sometimes goes wrong when such an error appears permanently. Reconnect the power cord after at least one hour has passed. 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. PROTECTOR as soon as I turn it on. Remove relay RY920 which is after those fuses. I disconnected all the speakers and all the cables, and when I turn it on it is still in PROTECT mode. The repair of a Sony STR-DG720 audio receiver in the protect mode. Check the followings: There may be an electrical surge or power failure. Last week I took it in to be reapired at Tweeter (where I bought it) I received it back from the repair yesterday. See if receiver still goes into protect mode with CNP920 connected. It basically said open it up, clean out the dust, and then disconnect and reconnect every connector you can get your hands on. I've checked the connections over and over... even moved a few times and had to re-hook up the entire system. Currently, I have to Bose 301's and 201's and a (kinda crappy) Sony center and subwoofer. Anyway, sounds awesome. The most common form of short is usually user error when they short the speaker terminals, or overload it by … Some are electronic type connectors with tiny wires, and others are definitely power type connectors. Turn the receiver on and turn the volume to the maximum setting. My goodness the internet is great. I wonder if that relay is bad. If the message goes away, then you need to make sure the speakers are not short and correct impedance. Usually, a Class AB push-pull configuration has a ceramic resistor within the power path, which the Sony service manual calls non-flammable resistor that requires checking. The purpose of the protect error is to protect the amplifier components from damage should a short circuit occur. The rest does not fix it. to Connect a TV to AVR surround sound Receiver Sony Audio Receiver in Protect mode Repair Fix STR-DG720 The BUDGET Sony DOLBY ATMOS HOME THEATER Receiver to Beat - SONY STR-DN1080 4K AV RECEIVER Review Sony STR-DH590 Unboxing/Review Page 1/2. Browse and shop online for Outdoor Security Cameras, Home Security Systems and more. This started about 3 weeks ago. I had the same “protect” problem with a Sony STR-AV1070 I was ready to take a hammer to. If the issue is still unresolved, service may be required. Beside above, why does my receiver shut off when I turn up the volume? Part of the protection circuitry are relays that disengage the speakers once the Sony has gone into auto-protect mode. 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. Sony STR-DB930 receiver goes into protect mode. The repair of a Sony STR-DG720 audio receiver in the protect mode. If, after your fix, the receiver powers on, but then turns itself off after a few minutes, it's possible something is physically damaged inside. NOTE: If the A/V receiver does not display PROTECT with all the components disconnected, turn off the A/V receiver and connect one component at a time, turning on the A/V receiver between each connection, to see what component is causing the A/V receiver to go into the PROTECT mode. bitkahuna. Part of the protection circuitry are relays that disengage the speakers once the Sony has gone into auto-protect mode. Unplug the AC power cord (mains lead) and then plug in the cord again after 30 minutes. 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. It is in PROTECT mode everytime I turn it on. Refer to the video below for how to remove "Protect Error" on a Sony receiver. I've had two Sony receivers throughout the past 5 or 6 years, and both have given me the "protect" click and reset whenever I try and listen to something moderately loud. Eshak Bhatti. Ensure the top of the home audio device has proper ventilation to keep it from overheating. Unplug the power cord from the electrical wall outlet. Reset the receiver by removing the face plate and pressing the "Reset" button with a paperclip. My Sony STR-DA30ES Fix (18 yr/o reciever) I have a Sony DA30ES - 18 years old now (legal age to smoke knock on wood) and started getting clicking, popping, static and other noise that I could whack out of it for a time but recently started getting 'Protect Mode' and no audio. Sucks…. Take it to a Sony approved technician to get it repaired. Consumer Electronics. No earlier symptoms, no prior intermittants. The receiver is covered and the ventilation holes are blocked. However, serious problems might occur if you modify the. Reduce the volume level. - Answered by a verified Technician. … Comments. The reason the "Protection" mode clicks in is that you are trying to use more power than the amplifier can handle. NOTE: If model-specific information is needed to complete any of these steps, refer to the instruction manual with the product. To reset the internal surge protection circuit unplug the AC power cord from the wall for at least 30 minutes. I picked up the Sony factory service manual for this unit and, while it contains good schematics, little is offered in terms of troubleshooting info for diagnosing the "protect" fault. Beznuk. Protect mode repair Sony STR-DE675 Receiver amplifier. Only the right side speakers come on. Unplug the power cord from the wall and then reconnect the speaker and audio cables. It says turn the receiver … involves replacing power amplifier output transistors, emitter ... How to Setup Sony STR-DH800 Receiver Review. Dark Mode was introduced in iOS 13 and announced at WWDC 2019. It says turn the receiver … Reduce the volume level. To reset the internal surge protection circuit unplug the AC power cord from the wall for at least 30 minutes. Hi and welcome to JustAnswer, Initially, as the word "PROTECT" implies, the STR-DE835 has gone into auto-protect mode.The built-in watchdog circuitry has detected a fault and kicked in auto-shutdown to prevent further damage. Hi and welcome to JustAnswer, Initially, as the word "PROTECT" implies, the STR-DE835 has gone into auto-protect mode.The built-in watchdog circuitry has detected a fault and kicked in auto-shutdown to prevent further damage. The following was in the comments on repair slip: Let the amplifier cool for 15 minutes and then switch ON to see if the message still appears. In the following The purpose of the protect error is to protect the amplifier components from damage should a short circuit occur. 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