Question about Sony DAV-SC5 System

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My SONY DAV-SC-5 systems amplifier unit is gone

In My Sony DAV-SC-5 home theater system ,while playing Protect message came and system switch off by itself.I purchased a new voltage stabilizer and connected the system ,despite that problem persisted .hence recently I gave my Sony DAV-SC-5 home theater system for service in authorized Sony service center,in Cochin.They said the amplifier unit is not function it is not replaceable? any solution for this

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Posted on Jan 02, 2017


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Posted on Mar 17, 2008

  • 4234 Answers

SOURCE: protect

The protect message indicates a problem was found inside the amplifier. The output transistors are most likely shorted and need to be replaced. This is a fairly simple repair and should cost about $40 in parts plus your local labor charge.

Posted on Mar 18, 2008

  • 1175 Answers

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Do you have the manual?
I'd check there first. You'll probably need the remote as well.

Posted on Jul 07, 2008

SOURCE: sony dav-hdx576wf home theatre system

Same problem here!

Posted on Aug 16, 2008

  • 1 Answer

SOURCE: sony dav dz 100........ protect unplug

unplug it from the wall.

Posted on Aug 09, 2009

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1 Answer


The "PROTECT" and "PUSH POWER" messages will flash alternately when the protective device of the amplifier has been activated because a strong signal was input, or if there is a short-circuit detected. Press the POWER button on the unit to turn off the system, and check the following items after "STANDBY" disappears.

1) Are the + and - speaker cords short-circuited?
2) Are you using only the specified speakers?.
3) Is anything blocking the ventilation holes of the system?

You may also refer to the following link for additional troubleshooting steps.

PROTECT and PUSH POWER flash alternately on the amplifier screen

Dec 20, 2012 | Sony DAV-HDX500 System

4 Answers

I have Home Theater Sony DAV- DZ151Kb. Display Push Power and then PROTECTOR. I need Help

Push power protect message appears when home theater got problem in amplifier output section and any output amplifier chip becomes bad, receiver set protection mode and refuse to power up to avoid further damage in circuit board.
It is very hard for novice to troubleshoot what output chip is defective out of six amplifier output ICs in unit, check by professional is needed to solve this issue.
Hope these info will help you.
Let me know if you have additional question.

Jan 14, 2011 | Sony Audio Players & Recorders

2 Answers

Display panel says protect as soon as switched on and can get no responce from any command

The protect message is an indication that a problem was found at the final stage of the amplifier. Typically, this is caused by defective output transistors. A confirmation of this can be made by removing the speaker wires and turning on the unit. If the protect message still appears, the problem is internal to the unit and it will require repair. The DAV series of units are not the easiest to work on and replacement parts are limited. I would suggest that you get a detailed repair estimate from an authorized Sony service center. Post the results here and we should be able to walk you throught the actual repair.


Nov 20, 2009 | Sony DAV-S400 System

1 Answer

Power protector on sony surround sound system

Power protect is an error message that some thing is wrong in your sound system and requires qualified tech.

Normally that error message appears when unit got problem in amplifier output section, either it is speaker problem or some output chip is fried.

Feb 25, 2009 | Sony DAV-S400 System

5 Answers

I have a sony DAV DZ230 home theatre system

on my home theater display it shows protector push power

Nov 24, 2008 | Audio Players & Recorders

1 Answer

Need help

I think, your Home theater gives you error message " protect unplug", means home theater has problem in Amplifier section and will not be power up to function.
You should check Amp section aspacialy Amp Output stage.

Jun 04, 2008 | Sony DAV-DZ100 System

1 Answer


The protect message indicates a problem was found inside the amplifier. The output transistors are most likely shorted and need to be replaced. This is a fairly simple repair and should cost about $40 in parts plus your local labor charge.

Mar 18, 2008 | Sony DAV-S500 System

1 Answer

Protect unplug

Dear ecuabling,
Sony Home Theater system gives such message at that time when it gets problem in Amplifier section. You should contact nearest Sony repair center for better solution.

Jan 11, 2008 | Sony DAV-DX250 System

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