Question about Integra Dtr-7.1 Av Receiver Surround Sound Home Digital Theater Receiver Remote

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Integra 7.1 goes into protect mode when turned on aprox. 10 seconds.Any help would be great in getting to work.

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You will have defective output transistors

Posted on Feb 19, 2015

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Posted on Jan 02, 2017

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SOURCE: Integra DTM 3.5 AV receiver. The

Do more triage first.

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 possible root cause for intermittent shutdown.

Posted on Jun 11, 2011

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2 Answers

I have a DTR 7.1 Integra receiver and it goes into protect mode when turned on. Is this something that can be fixed by myself or does it need to go to repair shop.


If you have a volt meter you may try and repair it yourself. First however disconnect the speakers and see if the set still goes into protect. If so you may have shorted output and drive transistors. There will be open resistors near them as well. You can compare the bad channel with a nearby working channel since normally only channel shorts out at a time. Always replace outputs in pairs since they in push pull configuration .

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1 Answer

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1 Answer

Unit goes into protect mode


Not unless you know how to troubleshoot solid state electronics. If you disconnected the speakers and the unit still goes into the protect mode, most likely you have a short in one of the power output stages. Good Luck

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