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Sony DAV-DZ370 is going protection mode - Sony Audio Players & Recorders

Posted by Anonymous on

4 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

dunnbiker
  • 8546 Answers

SOURCE: Sony DAV - C-900 will

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.

Check for loose speaker connections at the speaker as a root cause for intermittent shutdown.

Posted on Jun 02, 2011

bobhifi
  • 635 Answers

SOURCE: Have a SONY DAV DZ370

Push power protect is an indication of an output failure ( Amplifier ). The Home theater system is asking you to switch off the power to prevent further damage. This mode is called protection mode and you will need professional help sort it out.

Posted on Aug 11, 2011

  • 1054 Answers

SOURCE: Sony dav-dz370 s-master push power protecter

there is a problem with the amp. You would have to get the main board replaced. Hopefully it is under warranty, otherwise it is probably not worth fixing

Posted on Mar 26, 2014

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1 Answer

Sony dav-dz370 s-master push power protecter


there is a problem with the amp. You would have to get the main board replaced. Hopefully it is under warranty, otherwise it is probably not worth fixing

Mar 26, 2014 | Audio Players & Recorders

1 Answer

Sony surround sound


Protect on a sony usually means there is a problem in the amp section. On that model, it would probably need to have the entire amp pcb replaced.

Jun 11, 2013 | Audio Players & Recorders

1 Answer

Have a SONY DAV DZ370 Home theater system. Displays 'Push Power Protect'. Tried 'cold reset' and all the manual stuff to no avail. Should I reset the M16C micro-controller or is there...


Push power protect is an indication of an output failure ( Amplifier ). The Home theater system is asking you to switch off the power to prevent further damage. This mode is called protection mode and you will need professional help sort it out.

Aug 11, 2011 | Audio Players & Recorders

4 Answers

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


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.

Jan 14, 2011 | Sony Audio Players & Recorders

1 Answer

Sony HCD-BC150 As soon as I turn it on, it shuts


Change the audio amplifier IC are on short circuit and that´s the cause your device goes to protect mode

Aug 11, 2009 | Sony DAV-BC150 System

1 Answer

Protect Unplug


I know that almost all new equipment since 99 or so on up has these. They are too sensitive. This is a system program that will put stereo in protect mode when turned up loud or have a lot of bass on to stop from blowing audio outputs.

Aug 07, 2009 | Sony DAV-DX250 System

1 Answer

Sony home theater system started blinking protect


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.

Regards.




Mar 23, 2009 | Sony DAV-DX250 System

1 Answer

PROTECT UNPLUG


This is a common problem with sony it means unplug me or i will explode, it is a protection of the heat sync and usually means that a cooling fan has shorted out. If under gurentee return to Sony for repair if not under guranebntee as is generally the case check on the net for a replacement fan motor - as far as i know sony were sourcing thier fanns from Sunon there is a German based headquarters - just google sunon europe

Aug 09, 2007 | Sony DAV-DZ100 System

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