Question about Sony DAV-DZ260 Theater System

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Dvd home theatre dav-dz777 + protector push power + not able to open tray

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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welcomejee
  • 10594 Answers

SOURCE: I have a sony DAV DZ230 home theatre system

Push Power Protect is error sign when unit got problem in Power Amplifier section.
Let me know if you have electronics repair experience to help you further as I have all necessary info and schematics of DAV-DZ230 home theater system.


Posted on Nov 24, 2008

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welcomejee
  • 10594 Answers

SOURCE: why does push power protector keeps flashing in

This is an error massage and comes when home theater got some internal problem specially in amplifier output section that can have defective output IC etc.
It is not user level repair and requires qualified tech for fix.
Thanks.


Posted on Sep 14, 2009

  • 569 Answers

SOURCE: Getting an error display as

Turn off your unit at the power button. Check speaker outputs for a short circuit - also check other end of speaker cables for a short. If you can't find an obvious problem then disconnect all speakers and power up the unit. If all is OK then connect speakers one at a time (this should be done with the unit powered OFF) and power up after each conection. This should identify which output is causing the problem.

If that does not work then it's an internal fault that will require a service engineer to identify - but I hope that is not the case!

Posted on Jan 21, 2011

dunnbiker
  • 8546 Answers

SOURCE: my home theatre dvd system

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.

Posted on Jul 29, 2011

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