Question about Sony DAV-S500 System

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Protect When I turn on the power to my Sony DAV-s500 home theater system, it immediately says "protect" on it's lcd, and will not do anything else. I have tried unplugging the speakers and there was no change. Any ideas what is wrong and how I should fix it? thanks, Jeff Mullen

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  • igrwalker Aug 30, 2008

    When I power on it is okay for around 30secs then the protect message appears and it then shuts itself down.

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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.
Dan

Posted on Mar 18, 2008

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1 Answer

How to fix push power protector Sony DAV-DZ870W


try disconnecting all speaker wires from the main unit, then turn it on. If it still goes into protect - then the amp is blown and you need to replace the main board.

Jul 13, 2014 | Sony DAV-DZ870W Wireless Home Theater...

1 Answer

MY SONY HBD-DZ810 HOME THEATER IS CONSTANTLY SHOWING PUSH POWER PROTECTOR


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

1 Answer

I have a sony DAV s500..now when i plug it in..the red light comes on..but when i press play or turn the machine on..it goes back to the red light right away..so the machine doesnt turn on..but becasue...


Generally speaking, an amp attempts to protect itself from heat, shorts, overloads and operator exuberance by refusing to turn on or stay on.

Overloads can be from excessive periods of high output or marginally low impedance loading by the speakers; and shorts would be wiring issues or a speaker blowing up.

You should be able to feel if it's hot. WHY is it overheating? Make sure it has sufficient ventilation on all sides and that vent holes are not blocked by dust balls. Ensure the fan (if equipped) is running as designed (some only operate on demand). Clean dust and debris from it.

If the amp comes back on after cooling, you're lucky. They only have so many self-protection cycles in their lives so continuously resetting or cycling their power without addressing the cause can do more harm than good.

If it protects immediately on a cool power up you should disconnect the speaker connections and try it 'naked'. If it comes up then diagnose which lead(s) are shorted. If it does not come up the problem is internal and should be left to an experienced and competent hands-on tech.

Apr 25, 2011 | Sony DAV-S500 System

1 Answer

I have a Sony DAV S500 AV system and with certain DVD and with the volumn just over 20 (not really that loud), the system shuts down and PROTECT shows in the message window. I read somewhere on the web...


If the subwoofer and other speakers were included with the system, THAT is what they're designed for. Mixing and matching with other products is usually discouraged if not forbidden.

http://audio.manualsonline.com/search.html?q=Sony+DAV-S500

If the problem returns with connection of the sub it may be defective or on its way out. Internal damage to the voice coil from being overdriven could have melted or worn through the insulation and it would cause intermittent undesired electrical contact or load variation under certain conditions, like high volumes.

If your speaker level settings are unusually boosted for the sub you may be overdriving it.

Feb 07, 2011 | Sony DAV-S500 System

1 Answer

Hi,I can play a DVD disc on the system and get sound from the surround sound speakers but I can't get a picture on the tv,Sony Trinitron.The connetions are from the DAV S500:(DVD only)red and white cable...


Hi,
First try with yellow video output of DAV-S500 in yellow video TV input to get its picture. (yellow output means composite video out)
Green-Blue-Red video output is component output that will be turn on when you switch the unit into Progressive picture mode, that option would be available in Menu of DAV-S500
Hope this info will help you.
Thanks.

Nov 29, 2009 | Sony DAV-S500 System

1 Answer

I want to connect an external DVD player (Samsung DVD-1080P9) to my Sony DAV-S500 system


yes u can connect an externel dvd player to your sony dav s 500...

you have

composite video input X 1 and

analog input X 1.

so you can connect the RC output pins of externel dvd player to the input of composite video and analog left and right audio inputs to the SONY DAV S500.

ANY QUIERIES MAIL TO ME

kanny_amancha@yahoo.com

kanny-sounds.blogspot.com

Jul 11, 2009 | Sony DAV-S500 System

1 Answer

Can i use a scart lead


Hi,
You need Scart to RCA Cable to connect TV with DAV-S500 home theater system.
Thank you.

Nov 19, 2008 | Sony DAV-S500 System

1 Answer

Power problem - total power failure


You need to make sure that power supply has fried. It requires to check output voltage by volt meter.
What is the exact model number of your Sony home theater system to guide you properly. Is it DAV-S500 or some thing else.

Oct 03, 2008 | Sony DAV-S500 System

2 Answers

Is Sony DAV-S500 optical input compatible with optical output from Pioneer DVD player DV-566K?


I don't think this has an Optical but a Coaxial connection. You might try a coaxial audio cable not optical.

Dec 30, 2007 | Sony DAV-S500 System

1 Answer

Error with DAV-S500


Sony DAV-S500 error c-81: On the rear side of the DVD board connected to the DVDv drive is a power transistor Q002 that is shorted BASIS-EMITTER. The device is an Toshiba 2SA1213Y (PNP transistor 1$) Replace and your DVD works! good luck :) Foxi from Budapest, Hungary, Europe

Jun 11, 2007 | Sony DAV-S500 System

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