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Teac ag-790 protect error message on display

Teac ag-790 stereo receiver on switching on normal display shows for a few seconds, muting light flashes, relay clicks between speaker A & B "protect" error message is displayed, amplifier shuts down

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6 Suggested Answers

  • 130 Answers

SOURCE: Panasonic SC-PM08 shuts down error F74

Would be cool if that display means you have #74 fuse blown. Maybe its for the amp output to the speakers? have you tried the speakers on another system? could they be blown? Is there anything in the manual about the error?

Posted on Apr 10, 2006

  • 129 Answers

SOURCE: PROTECT

The audio output ic's need to be replaced. need to contact and audiotech to do the job . the job require experience to be done. around 60.00 in parts . if you need more help let me know.

Posted on Jun 22, 2007

SOURCE: PROTECT message display on JVC HX-D7 DVD Stero Player and turn off

I had the same problem with a jvc stereo set, it turned out the two cables of a speaker were touching each other.

Posted on Nov 30, 2007

SOURCE: panasonic SA-AK17 MASH stereo system

that is normal, this situation is the demo. shold have a buttom whit name "DEMO" push it and the demo turn off.

Posted on Apr 26, 2008

  • 4234 Answers

SOURCE: protect problem

I'm not really familiar with your specific model, so I don't know what the output stage looks like. I'd guess that this unit has a large black 'amp-pac" for the amplifier section. This should be attached to a heat sink in the rear of the unit. Look to see what the markings are on that part. I expect to see STKxxx. Can you post that here?

Thanks,
Dan

Posted on Sep 08, 2008

  • 1 Answer

SOURCE: PROTECT message display on JVC HX-D7 DVD Stero Player and turn off

How do i fix that i get the message on my cd play (JVC HX-D7) and it says PROTECT and shuts off by its self what do i do to fix the problem ?

Posted on Nov 23, 2008

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The protect message indicates that the output amp section has a problem. Normally this requires the replacement of the output transistors or the output amp pac. Expect the repair cost to be about $20-$60 for parts plus the local labor rate.
Dan

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