Question about Sony DAV-DZ100 System

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Need help protect unplug

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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.

Posted on Jun 04, 2008

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How do i eliminate amp protection. Unit goes no further. Tried to unplug the unit & plugged back in but problem persists. Please HELP!!!!!


This is a very ambiguous post. When you say that you are having this problem, what are you doing? Please post all the steps that lead to this error. There is no way to disable the amplifier protection circuit. If it senses a short (which could be a bad speaker) then it will be activated.

Dec 12, 2014 | NAD T748 Home theater receiver with...

2 Answers

DVD system shuts down during DVD play with various parts of shows


I think this is the answer you are looking for.

Let me know if you need more help.

Knowledge Article C337191 Error: The message PROTECT or UNPLUG shows in the display.
Follow this procedure to troubleshoot when a PROTECT or UNPLUG error is displayed.
IMPORTANT: The top of the receiver must have proper ventilation to keep from over heating.
  1. Reduce the volume level.
  2. NOTE: If the receiver is played at the maximum volume level it may enter the PROTECT mode. Maximum volume listening will cause the receiver to run hot and drain the output capacitors.
  3. If both the A and B speakers are being powered by the receiver at the same time, turn off the surround sound option.
  4. If protect occurs only when using a DVD player, the sampling frequency may be set too high.
  5. NOTE: Some receivers provide compatibility with the higher sampling frequencies through alternate connections. Consult the user manual for specific information.
  6. Ensure the speaker wiring is not damaged and is properley connected to the back of the receiver and speakers.
  7. If the issue is still unresolved after completing all of the troubleshooting steps, service may be required.
Created: Thu Sep 16 14:49 2004 | Last Modified: Wed Jan 11 09:02 2006
http://www.iq.sony.com/srvs/autoresponsev4.asp?id=337191

Feb 13, 2008 | Sony DAV-FC7 System

1 Answer

When I turn my dvd player on, the volume will lower on its own to almost mute. It is hit or miss weather or not the unit will turn off on its own saying protect. All connections are good. Inside is clean....


When you've got good volume, try unplugging the speakers (only for a very short time) to see if that whining noise is still there or if it's stopped. We're trying to see if the whining is related to the low volume and "protect" or if it's only coincidental.

Try unplugging all the cables (except the power cord). Turn the player on & off several times & see if that whining noise acts the same. Also see if the player goes into "protect". What we're trying to do here is see if it NEVER goes into "protect" with the cables unplugged.

Last... try to get it to start & run without going into "protect", with all the cables unplugged (except power). Plug the cables in, one at a time, and see if plugging one of the cables in forces it into "protect". If so, there's something wrong with that cable or whatever's on the other end of that cable. Unplug it again & restart the player - no "protect"? Wait a little while, plug the cable in. "Protect"? Check the other end of that cable.

If it goes into "protect" with nothing plugged in except the power, then the player is probably a write-off, ready to be replaced (it's not very often that DVD players are worth repairing these days).

Nov 05, 2013 | Samsung HT-Z310T Theater System

1 Answer

Protection


I just had this same problem and called Denon. I was told to unplug the unit and unplug all attached to it. Then, push both the tuning buttons at the same time (both the up and the down) hold them in while plugging the Denon back to the electrical. Watch the front of the Denon and see 5 cycles flash on the tuner display and then let go of the tuner buttons. Then plug things back in.
That helped the protect thing for minutes. I redid it several times.
No good. One of the channels blew out. I would now get rid of it for parts. I have not had luck with Denon.

May 11, 2013 | Denon DRA-775RD 2 Channels Receiver

1 Answer

My Sony receiver is flashing protect mode


Disconnect all speaker wires at the receiver. Then power the unit on, if it stays on, post a comment on this thread and I will help you troubleshoot further. If "Protect" remains on, you need to have your receiver serviced. Hope this helps.

Aug 23, 2009 | Audio Players & Recorders

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

Samsung ht-wx70 shutting off for protection


The word PROTECTION means that the cooling fan is defective. it needs to be replaced.
Call 1-800-7267864 (SAMSUNG) and they can repair it for you.

Hope this helps!

Jun 30, 2009 | Samsung HT-WX70 Theater System

1 Answer

Unplug/protect


The audio amplifiers ICs of your device are damaged.You gotta take it to service center.Good luck.

May 25, 2008 | Sony Dream System DAVDX155 Theater 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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