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Protect error on agv8500 - Teac Audio Players & Recorders

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Hi there. I have the same unit. A darn nice piece of hardware. A couple of months back I noticed my cooling fan making noise. A few days ago I got the "PROTECT" message and the unit wouldn't power up. I turned it off for three days and it started playing again. Now I'm pretty sure it went into protect mode because it overheated. I just tried finding a Teac replacement fan and didn't see one on the web. My solution will be to adapt a small computer-type fan onto it to keep things cool. It works too well to let it die! Good Luck, Gborchers. GROGSTER

Posted on Nov 29, 2008

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Posted on Jan 02, 2017

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Sony home theater model no hcd-dz570 push power protect error on display what,s solution?


Check the speaker connection. One of them has a shortcircuit. Try to disconect all of them and power on the device. See what is happen. If starts corectly check the speaker cable. Conect one by one and power up the receiver after each connection. When you get the error again check the last conected cable. These receivers have a protection system against shortcircuits. That is puting your device in that error.

Jan 27, 2011 | Sony Audio Players & Recorders

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Panasonic SA-he75, displays an F70 error.


The F70 error is a code for "protect". See the link below for a general explanation of protect mode. Specifically for your unit, the output amplifier IC has failed. This can be replaced, but the parts cost will be in the $100 range. Please update this if you have further questions.

Thanks,
Dan

Link: http://www.fixya.com/support/r5390728-protector_means

Oct 08, 2010 | Panasonic SA-HE75 Receiver

1 Answer

"protect" error


You more than likely have a problem with your power supply. Home theater receivers have many different watchdog or protection circuits. If the power supply is not output the correct voltage or is shorted that will trigger a fault. You could also have an overload condition on the output stage. Too much current drawn by the amplifier will trigger a fault.

Feb 06, 2010 | Sony Audio Players & Recorders

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Protection error in denon avr-3000


Hi,

Do you know what caused the protection shut down in the first place? Did you short your speaker wires even briefly?

You could try to Unplug the Unit for Few Minutes, say 30 minutes and then turn it back ON.Usually that would fix the issue.

If you are going into protect mode with no speaker attached,chances are that your output Ic is in need of replacement .This is the most likely cause of a protection error that you are experiencing.I am having a bit of difficulty in locating specific part numbers but feel confident that replacing outputs will remedy your concern.For further info and parts or authorized service locations in your area I suggest to contact mfg at www.usa.denon.com/ .Click on support or call(201)762-6500.I believe that they have a flat rate service and will give you an estimate.

Still, on the remote possibility that it is just a glitch caused by momentary power interruption or fluctuation, try to re-initialize the microprocessor, a hard reset (not unless this is what you were referring to as rebooted). The reset should force the AVR-3300 to revert back to factory defaults removing glitches, errors in settings & configurations, memory & presets as well as user preferences.

* turn OFF the unit using the POWER button;
* press and hold both SPEAKER A and SPEAKER B;
* without releasing the 2 buttons, press the POWER button;
* release the 2 buttons only when the display starts to flash;
* in the event of no display flashing, repeat the process.


Should the above be not corrective, then it would be a hardware fault and not just a glitch.


Let me know, if needed further assistance.

Hoe i helped you.

Thanks for using ' Fixya ' and have a nice day!!

Jan 13, 2010 | Denon AVR-3300 Receiver

1 Answer

Protect error on marantz sr4200


Check all your speaker wires carefully. Chances are good that a braid has crossed from + to - and causes the unit to protect itself. This is a very common problem! everyone's done it at some point. Check connections at both the receiver side and the speaker side. If you still have a problem, post a comment and I can help you troubleshoot further. Hope this helps.

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Protection error


I was having this problem and after research on internet found that this could be because of speakers wire being short. I recheck all the connections and most likely have short due to wires being stapled on the wall and staple causing short. It is working fine now for me. Check your wires...

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Protection error


Your speakers or the wiring to the speakers shorted out, and a fuse inside of your receiver is blown. You can purchase a new unit or attempt to replace the fuse yourself.

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Teac stereo receiver model # AGV8520


One or more output channels has dc voltage present or the protection circuit itself is at fault. Protection ckt keeps speaker destroying DC from reaching the speakers. Connect a dc meter before the speaker relay(s) to isolate which channel if any, is bad. The protection ckt has a small value electrolytic cap connected to the power supply that needs to be checked. Small so that as soon as power is turned off the relay(s) release. This cap will fail causing this error. Measure the AC ripple across this cap, over a couple volts, replace. Also this error could be caused by a missing supply. Inspect all heat sinked parts and other parts for bad connections.

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