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I,have a Zeus zx7500 car amplifier I have all speakers and rca. Wires disconnected,and its,still in protected mode what do I do

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Posted on Jan 02, 2017

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GazllFixIt
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SOURCE: getting my amplifier out of protect mode


There is a problem with one or both of the audio amplification circuits. The amp is going into "protect mode" to protect your speakers. I'm afraid there is no simple fix. this will need to go to the shop to be repaired...

...unless you have been tinkering with the speaker connections recently. In which case, make sure all connections are sound & there are no wires touching other wires. This causes a short circuit. Leave it disconnected from the mains overnight. There's a slim chance it might spring back to life tomorrow.

Good luck & let me know how you get on.

Posted on Jan 10, 2008

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SOURCE: Onkyo Tx-v940 Receiver/Amplifier Protection Mode

Audio amplifier IC's damaged you need to change it.Good luck

Posted on Jun 11, 2008

  • 1 Answer

SOURCE: Denon AVR-1508 Receiver problems - cuts off and goes into protect mode

i have the same problem . denon had changed knob and circuits ?! one day later ... same issue !
i have 5.1 evo tangent 4-8ohms and 2 technics 8ohmsand i use frquently A+B configuration

Posted on Nov 08, 2008

  • 631 Answers

SOURCE: Protection mode

It's normal for some amps to go into protect for a few seconds when initially powered up. If it remains in protect mode, it may have shorted output transistors. To eliminate other possible causes, read through the following troubleshooting page:

Amp in Protect Mode - Troubleshooting

Let me know if you have any other questions.

Posted on Dec 11, 2008

  • 21 Answers

SOURCE: Problem With Onkyo Receiver Protected Mode.

If your receiver is going into protect mode with all speakers disconnected, you almost certainly have a shorted output transistor. Unfortunately, Onkyo recommends that a total of 14 transistors (on most models, 16 on some) be replaced. To make matters a little worse, a couple of those can only be obtained from Onkyo parts department.

Posted on Apr 07, 2010

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Stays protection mode, how can i fix this?


Disconnect all speakers (at the amp terminals) and the RCA's leaving just power, ground, and remote connected. Does it turn on now without going to protection? If so, plug in the RCA's. Still good? If so, you have a shorted wire or bad speaker. If it still stays in protection, the amp is faulty. Have it repaired or replace it.

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You can only reset it by disconnecting power to it. If it is in protect you may want to check your speakers and speaker wires for shorts and/or grounds. If they check out all right you may have internal problems in the amp.

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How do you reset nitro amp that is in protect mode?


If the amp is in protect mode, then there may be a speaker wire that is shorting out or you may have a bad speaker...you can test this by completely unhooking the speakers on the amplifier and then turning the amplifier on...if it comes out of protect mode then you will need to find out which speaker is bad...if the amplifier does not come out of protect mode when you turn it back on then there is a problem inside the amplifier and you will need to take it to a service shop for further diagnoses

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    Protection fail


    DISCONNECT THE SPEAKERS AND ALSO DISCONNECT THE RCA INPUTS. POWER THE AMPLIFIER UP AND SEE IF IT GOES INTO PROTECTION. IF IT DOES, MAKE SURE ALL POWER CONNECTIONS ARE GOOD AND IF SO, THEN THE AMPLIFIER WILL NEED TO BE SERVICED. ALSO NOTE THAT AT NO TIME SHOULD YOU PROVIDE AN INPUT SIGNAL WITHOUT CONNECTING THE SPEAKERS, SO MAKE SURE YOU DO DISCONNECT BOTH THE SPEAKERS AND RCA INPUTS AS DESCRIBED ABOVE. HOPE THIS HELPS TO POINT YOU IN THE RIGHT DIRECTION.....V

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    disconnect the power wire from it for a minute then reconnect.

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    Protection Circuit is bad. It needs to be serviced. If all speaker wires are disconnected and it's still in protection, it's got a problem. Hope this helps

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