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Sir,my dvd is Sony DAV-DZ520K home theater system....sony model no .........HCD-DZ520K,,,humm its seems to see push power protector in screen..pls help me..can i done master reset 4 thsi pro..and pls tell me how to master re set ,,,(the cod of master re set..is it 123and stop button)....or if else any other por pls mail me....or is this the pro of power supply bord...

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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ravichetty
  • 158 Answers

SOURCE: Protector Power Off Message

sounds like the stk is faulty,replace it

Posted on Aug 04, 2009

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dmftrucker
  • 1922 Answers

SOURCE: IT DISPLAYS PROTECTOR PUSH POWER

its in standby, try it again, if it does it repeatedly theres a problem in the switching power supply not letting it power-up to save components

Posted on Oct 18, 2009

SOURCE: push power protector showing up in sony dvd home theater system

Always be the audio amplifier IC damaged

Posted on Jun 24, 2010

welcomejee
  • 10594 Answers

SOURCE: I have Home Theater Sony DAV- DZ151Kb. Display

Hi,
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.
Thanks.

Posted on Jan 14, 2011

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dunnbiker
  • 8546 Answers

SOURCE: system is not switching on.put

There is no 'switch' or control for Protection.

Generally speaking, an amp protects 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. Eure 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 Mar 03, 2011

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Hi,
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.
Thanks.

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