Question about Sony STR-DE545 Receiver

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Flashing message on my reciever

It says PROTECT and flashes How do I reset it or is there a more serious problem?

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PROTECT, PROTECTOR or the letter P is flashing in the display of the A/V receiver. Solution
Flashing message on my reciever - sp.gif sp.gif Follow the steps below to troubleshoot if the word PROTECT or PROTECTOR is flashing on the A/V receivers display.

  1. Check the speaker wires and speakers for proper connections.
  2. Reduce the volume level. IMPORTANT: Ifthe receiver is played back at maximum volume level it may enter theprotect mode. Maximum volume listening will cause the receiver to runvery hot and may drain the output capacitors.
  3. Disable the surround sound option if both the A and B speakers are being used simultaneously.
  4. Ensure the top of the receiver has proper ventilation to keep it from overheating.
  5. If the message only occurs when using a DVD player, the sampling frequency may be set too high. IMPORTANT: Somereceivers provide compatibility with the higher sampling frequenciesthrough alternate connections. Consult the owners manual for specificinformation.
  6. Unplug the AC power cord for about 1 to 2 hours to reset the output transformers.
If the issue is still unresolved, service may be required. The Sony® eService Web site at http://eservice.sony.com/ can assist you in obtaining service from a Sony Service Center or locating a Sony Authorized Servicer.

Posted on Dec 16, 2008

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1 Answer

My receiver is flashing "protect" how do I reset it


The protect message indicates that a problem was detected at the final stage of the amplifier and the unit has been shutdown to prevent further damage.

If the unit continues to flash protect even with the speaker wires disconnected, then the problem is internal to the unit and it will require repair not just a reset. The typical reason for this is shorted output transistors. Expect a repair cost of $25-$45 for parts if it continues with the protect message.

Please keep us posted.

Thanks,
Dan

Jun 13, 2010 | Teac AG-V8060 Receiver

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My reciever is blinkning 'protect' after being turned on. It starts up as normal but after the initial start it starts flashing 'protect' and after it starts flashing I can not do anything but turn it off....


It shows protect when it senses a problem with the output wires shorted or some internal fault. Try disconnecting all the speaker wires and power up again. If it still shows protect, then the fault is internal.

Mar 12, 2010 | Sony Audio Players & Recorders

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Protect flashing on screen


Output amp needs repair or you have shorted speaker wire or bad speaker. Disconnect speakers. If still going into protect mode after turning reciever back on then have amp repaired.

Nov 20, 2009 | Harman Kardon AVR 65 Receiver

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As soon as i turn on my STR-SE391 reciver the protection is on


It is unlikely that the pushing of buttons caused the problem. The protect flashing means that a problem was detected and the system has shutdown to prevent further damage. The most common cause of this is a failure of the output transistors. Plan on a parts cost between $20-$40 for this repair.

Dan

Oct 31, 2009 | Sony Audio Players & Recorders

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I have an old 5 in one reciever sony; i dont see any fuses and my problem is that after turning on it goes to the protect mode flashing prptect. i disconted the entire reciever so i know there are no...


No reset will help this. The problem is an internal short most likely in in one of the amp circuits. This is a relatively simple repair for a service shop. Expect a parts cost in the $40 range. Add in the local labor rate for the total repair cost.

Dan

Feb 01, 2009 | Sony STR-DE475 Receiver

1 Answer

My reciever is flashing the word PROTECT and will not function. It's a Sony STR-DE445


Follow the steps below to troubleshoot if the word PROTECT or PROTECTOR is flashing on the A/V receivers display.
  1. Check the speaker wires and speakers for proper connections.
  2. Reduce the volume level. IMPORTANT: If the receiver is played back at maximum volume level it may enter the protect mode. Maximum volume listening will cause the receiver to run very hot and may drain the output capacitors.
  3. Disable the surround sound option if both the A and B speakers are being used simultaneously.
  4. Ensure the top of the receiver has proper ventilation to keep it from overheating.
  5. If the message only occurs when using a DVD player, the sampling frequency may be set too high. IMPORTANT: Some receivers provide compatibility with the higher sampling frequencies through alternate connections. Consult the owners manual for specific information.
  6. Unplug the AC power cord for about 1 to 2 hours to reset the output transformers.
If the issue is still unresolved, service may be required. The Sony® eService Web site at http://eservice.sony.com/ can assist you in obtaining service from a Sony Service Center or locating a Sony Authorized Servicer.

Dec 15, 2008 | Sony STR-DE545 Receiver

2 Answers

My reciever does not work


Power Amp IC gone in your set, replace it.

Jul 30, 2008 | Sony STR-DE575 Receiver

1 Answer

Protector flashing


first check speaker connections for a short.Something usually is touching either at the reciever or amp.The receiver goes in protect mode when there is a short.If that does not work the receiver may be trying to push more watts than capable

Jan 01, 2008 | Denon AVR-887

1 Answer

Protector 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.

Oct 05, 2007 | Sony STR-GA7ES

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Reciever message and interruption


i just encountered the same problem and when i discovered this posting, i thought i found the solution. when i saw that no one responded, i started poking around my equipment and discovered that one of my speaker wires was loose. i reconnected the wire and it seems to have fixed the problem. you have probably already figured out your problem, but i thought i would just share my solution anyway. Merry Christmas!

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