Question about Sony STR-DA80ES Receiver

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Protector flashing sony da80es

Protector flashing. Unplugged all cords, all speakers...everything...for several days and still flashing. No sound. Absolutely no technical assistance from Sony whatsoever. I am leery of bringing it to any service center unless I know what the problem is. I don't want to get ripped off. Can this be repaired without spending $500. Is is worth it?

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  • tb726 Feb 06, 2008

    Thank you. I will try that. Can this fuse be purchased at Radio Shack?? I have read elsewhere that it could be the amp board.

  • tb726 Feb 06, 2008

    Thank you. I will try that. Can this fuse be purchased at Radio Shack?? I have read elsewhere that it could be the amp board.

  • gailwj Nov 20, 2008

    Hi -
    Yes, we have the same problem.  Help!
    Thanks so much.



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Could be fuse inside open it up cheak all cheall all conections start with just 1 unit in it

Posted on Feb 06, 2008

  • nick helpap
    nick helpap Feb 06, 2008

    yes u can buy it at radio ya it could be but bestto cheak this 1st make sure no speaker wires touching eash other on back

  • nick helpap
    nick helpap Feb 06, 2008

    yes u can buy it at radio ya it could be but bestto cheak this 1st make sure no speaker wires touching eash other on back



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I have a Sony receiver model Str - de 435 it constantly flash Protector and I tried everything to fix this any ideas

The protector indicator usually indicates that one of your amplifiers has shorted output transistors. This is not a user repairable problem and the amp will have to be taken into the shop for service.

Mar 21, 2015 | Sony Audio Players & Recorders

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My reciverer says the word "PROTECTOR" I Checked for short at audio OUTPUT. None

Try disconnecting the speakers completely, and also all sources then try it again. If the problem stops, start reconnecting sources and speakers one at a time to see if you can find where the problem lies. If you disconnect everything and protector stays on, than maybe you have a heat issue or an internal component is damaged.
Good Luck

Jan 06, 2011 | Sony STR-DA80ES Receiver

1 Answer

My reciverer says the word protector

The Word "Protecter" is you have a shorted Speaker or Wire to Speaker, or the Sony has a blown Power Amplifier

Oct 08, 2010 | Sony STR-DA80ES Receiver

1 Answer

Receiver blew and flashes "protector" at all times. Disconnected speaker cables and still no change.

A problem has been detected internal to the unit and it has been shutdown to prevent further damage. The typical cuase is shorted output transistors or a defective voltage amplifier IC. Either repair will run about $25-$40 for parts.


Nov 16, 2009 | Sony STR-DA80ES Receiver

1 Answer

JVC TH-C30 Digital Theater System

If there is no power at all, then try bypassing surge protector, check power cable, and check if power cord is fused.

If unit has power but does not start, then it is on protection.

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.


Mar 11, 2009 | JVC SP-PW100 Subwoofer

1 Answer

Protector flashing on Sony AV receiver--Model STR-DG600

Me reicever rite protect some time ,i put the sytem off and a start again

Dec 31, 2008 | Audio Players & Recorders

1 Answer

My sony str-d1o15 says protector

I got this from Sony site, I am doing it to mine now, unplugged it first.
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 can assist you in obtaining service from a Sony Service Center or locating a Sony Authorized Servicer.

Dec 20, 2008 | Sony STR-D1015

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