Question about Sony STR-DE597 Receiver

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I get error message Protect but i trouble shot everything Sony said from checking speaker wires, resetting, and unplugging power over night, still it clicks over to protect within 5 seconds when i turn it on. I think the problem is internal like the auto switch?

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  • rickettw Sep 28, 2010

    i get error message Protect but i trouble shot everything Sony said from checking speaker wires, resetting, and unplugging power over night, still it clicks over to protect within 5 seconds when i turn it on. I think the problem is internal like the auto switch?

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Have you disconnected the speaker wires completely and then turn it on. If so and it went to protect mode, then you are right it is internally. The actual amplifier is pulling too much current and sending the control board into overload. The protect mode is for when the amplifier pulls too much current. And should not pull any current if you don't have any speakers hooked up.

Posted on Sep 28, 2010

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These have a built in protection unit that senses heat. Capacitors are sensitive and will shut the unit off when there is a lot of heat or even if you turn the unit on more if it is too loud or the bass is turned up. It is a capacitor fault. Some of these units have a wire to the protection unit circuit you can unplug, but not sure where yours may be.

Posted on Sep 28, 2010

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1 Answer

Receiver displays "protect" ...then shuts off


From what I have seen..........

Either you have a speaker that is shorting out, Try unplugging on speaker at a time and turning the unit on, and see if it goes out of protected mode. Keep the volume turned low while doing that. Just go by process of elimination. Or you can disconnect all speakers and see if you still get the error message. If not then connect 1 speaker at a time, if it goes in to protected mode while doing a speaker connection then you found the bad speaker.

Otherwise another thing I read a hard reset you should be able to do on the unit is hold down the power button until it display a message that says "Clear All", then hit enter or follow the directions it gives that should reset the alarm code if the receiver will allow it.

Hopefully one of those 2 things will clear your error........

Best I could find out

I would do the speaker test first, usually its a shorted speaker or wire

Aug 25, 2013 | Sony Audio Players & Recorders

1 Answer

Trying to hook up sony s-master with componet cables an the s-master displays on the display ''PROTECT UNPLUG'' however with nothing plugged in the s-master, works fine


Hi,
Check speaker wires, any wire seems shorted and causing Protect Unplug error message in receiver.
Good way to sort out bad wire is plug one speaker at a time, turn On receiver check, turn Off, then plug next speaker wire until you find out what speaker wire activates protection circuit of receiver.
Thanks.

Jan 01, 2011 | Audio Players & Recorders

2 Answers

I turn on my stereo and the receiver says protect why


your speaker wires are touching if the plus or minus or (red and black wires) are touching it can blow the amp this is a protection. Check all the speaker wires on the back and makes sure they are not touching.

Jan 15, 2010 | Sony STR-DE185 Receiver

1 Answer

My Sony receiver is flashing protect mode


Disconnect all speaker wires at the receiver. Then power the unit on, if it stays on, post a comment on this thread and I will help you troubleshoot further. If "Protect" remains on, you need to have your receiver serviced. Hope this helps.

Aug 23, 2009 | Audio Players & Recorders

2 Answers

My Stereo Is Always On Protect Can It Be Easily Fixed


Protet mode is a special diagnostic mode that starts when a fault is detected.

When in protection mode the unit is prevented from starting by protection circuit, so to prevent further damage.

Check the speakers and speakers wiring, a contact in speaker wires, or faulty speakers can send the unit in protection.

Try unplugging power cable for one hour or so. then connect cable back and see if you get rid of protect state. Sometimes accumulation of electrostatic charges inside circuit capacitors can kick in protect mode. In that case unplugging the unit from main for some times can get rid of electrostatic charges, and reset circuits by draining power completely.
If that was the problem, you will not get Protect when plugging back power cable.

If you do all the above and still get Protect, then there is a real fault.

In that case the unit may be disassembled and tested to find the fault.

If that is the case I suggest contacting the manufacturer at the number listed on the owners manual, or asking a quote on repair to a local technician.

May 27, 2009 | Sony Audio Players & Recorders

1 Answer

Protect keeps flashing


Protet mode is a special diagnostic mode that starts when a fault is detected.

When in protection mode the unit is prevented from starting by protection circuit, so to prevent further damage.

Check the speakers and speakers wiring, a contact in speaker wires, or faulty speakers can send the unit in protection.

Try unplugging power cable for one hour or so. then connect cable back and see if you get rid of protect state. Sometimes accumulation of electrostatic charges inside circuit capacitors can kick in protect mode. In that case unplugging the unit from main for some times can get rid of electrostatic charges, and reset circuits by draining power completely.
If that was the problem, you will not get Protect when plugging back power cable.

If you do all the above and still get Protect, then there is a real fault.

In that case the unit may be disassembled and tested to find the fault.

If that is the case I suggest contacting the manufacturer at the number listed on the owners manual, or asking a quote on repair to a local technician.

Apr 23, 2009 | Sony STR-DE475 Receiver

1 Answer

Protection on error message


Protect mode will kicking whenever a fault is detected.

Causes that can start protect mode are:

Electrostatic harges on internal circuits.
Leave the unit unplugged for power for one hour or so, this will allow discharge.

Bad speaker wiring.
Check speaker wiring, try unplugging and plugging back, or start after removing one speaker at the time.

Internal fault.
Internal fault is the natural cause for protect mode. If all the above did not work, then the problem is a blown component or an internal fault. In this case the unit must be taken apart , tested and repaired by an experienced person.
If the unit is less than one year old, or if you want to get service, call Sony at the phone number listed on the product documentation.

Regards.

Apr 21, 2009 | Samsung HT-TX72 Theater System

1 Answer

HI, I have a sony v555es amp and it gives me the following error message "protector OPT.....please power off"


You might be trying to push it too hard, or you might have a short somewhere. Disconnect everything from the reciever except its power cord and turn it on. If it still goes into protect mode, then try to find a reset switch (not sure if this is on the Sony, some recievers have them). If it's NOT in protect mode, then you had a speaker wire shorting out on the back. Make sure that you don't have any stray wires when you connect the cables on the back of your receiver. It only takes one strand of copper to short out the amp section. If that doesn't work then pull the top cover off and chech the fuses out. One of them might be blown.

Tom

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i had the same problem and i just disconnect the battery and and reconnect it and everything works fine!! try it

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SONY STR-DE675 RECEIVER


check the speaker's connections, I got them message when a speaker wire was unplugged and plugged back in while the unit was powered on

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