Question about Sony LBT-LX50 CD Shelf System

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How do I go from "Protect: mode back to FM play on

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The word protect will engage when you have output problem and will shut the audio off so no sound is available, however if the sound is working normally with protect visible then there is clearly processor issue, something I have never seen before. But it should be checked by a qualified tech.

Posted on Dec 29, 2010

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1 Answer

Sony reciever shows protect on display


May be bad connections on the preamp ic's. Otherwise there is a short in the amp that needs to be repaired.

Jan 02, 2013 | Sony Str-d350z, Av Am/fm Reciever, Home...

1 Answer

Can not get surround sound to work


Your Protection System probaly come on for some reason,Sony Is Known for that problem, Check on your screen if a red lit warning Staying (protect) Is on.If there is, Try hiting the reciever on the sides or the top of the cover fairly hard when it is turned on, Some times this will work to turn the protect light back off, Sony is bad for there amps end recievers going into the protect mode,

Sep 19, 2012 | Sony STR-DG600 Receiver

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Hi. my sony STR-DE 597 go in protect mode. how can I fix/repair this? Give me a tips.


protect mode means there is a shorted components inside your reciever it's probably the out put transistors take out the transistors and test it with a multimeter.

Jul 11, 2011 | Sony STR-DE597 Receiver

1 Answer

If the reciever gets real hot would that cause it to go in protect mode? Sony str-de315


It could! Most of the newer receivers these days need alot of ventaltion!
Unless its being played to loud with to many speakers connected!

Apr 13, 2010 | Sony STR-DE315 Receiver

1 Answer

I HAVE A SONY RECIEVER SRT-DE597 6.1 CHANNEL AND I ITS ON PROTECTED MODE CAN YOU HELP ME UN PROTECTED


Amp output is damaged and needs repaired. Protect mode cannot be deactivated. When amp is repaired and operating normally protect mode will not be displayed.

Aug 29, 2009 | Sony STR-DE597 Receiver

1 Answer

Reciever on protect mode


Hold in power button until unit "clicks." Takes about 20 seconds.

Jun 18, 2009 | Sony STR-DE325 Receiver

1 Answer

Stuck in protect mode


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 04, 2009 | Sony STR-D1015

1 Answer

Sony str-d715 flasses protector


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 03, 2009 | Sony STR-D700SS Shelf System

1 Answer

"Protect" flashing on STR-D665 Receiver


Check if you connect corectly the speakers wiresnand if they are right connected the audio amplifier Ic are damaged

Nov 28, 2008 | Sony STR-D665 Receiver

1 Answer

Stuck in protect mode


Speakers shorted out, blew a fuse. Replace the unit or (cross your fingers and) open up the box and find the blown fuse.

Nov 23, 2007 | Sony STR-DE425 Receiver

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