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My amp is only on protect - Pioneer Audio & Video Receivers

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Always be the audio amplifier IC in short circuit you need to replace him.Good luck.

Posted on Jun 19, 2008

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1 Answer

How do I turn off protection on the amp?


What is the make and model of the amp?

Dec 05, 2015 | Audio & Video Receivers

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What can I do with a amp tuner fisher rs-851 in standby?


If by "standby" you mean the amp is trying to power up, check for speaker protection issues. Speaker wires and/or speaker issues may be causing the speaker protection mode to keep your Fisher speaker lines disconnected from amp.

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Protect mode


The most common cause of this is that one of the speaker voice coils is shorted or the wiring to one of the speakers is shorted. Disconnect the speakers one at a time and see if the amp goes out of protect, if no change you have a shorted output circuit in the main amp section.

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When I push ON button I see in display " protect" mode...


It could be a short in your speaker wire or the crossover in your speakers.

1) Turn off your unit and disconnect your speaker wires at the amp, if the protect is no longer displayed when the unit is turned back on, check the connections on the speakers. If you do not visually see a short on the speaker wire connection, turn off the unit and disconnect the wires at the speaker and isolate them so they do not touch then connect the speaker wires at the amp. Turn on the amp and see if the protect is on. If it is on, the wire has a short somewhere in the line. If the protect is off then suspect the speaker has a short in the voice coil or crossover.

2) If the protect is still on after you disconnect the speaker wires at the amp, it could be the power IC in the amp is shorted and needs to be replaced.

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How do I reset from the amp protect mode Onkyo receiver TX-SR600?


How do I reset my amp / receiver from protect mode ?

May 07, 2010 | Onkyo TX-SR605 Receiver

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My onkyo displays "protected" when i turn it on and goes into standby


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protection is designed to protect the output transistors from, shorted speaker wires, shorted speakers, too low speaker impediance,make sure the amp is well ventilated.
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