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Stuck in protect mode - Sharp CD-C662 Shelf System

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I have a Harman kardon 1700Avr that is stuck in protect mode, Is there anyway to bypass or reset it? Thanks....


It's in the protect mode because of a component failure inside. It needs to be repaired to get out of the protect mode.

Dec 31, 2015 | Harman Kardon Audio Players & Recorders

2 Answers

My Kenwood KDC-MP142 in protect mode. is there a reset button??


My kenwood is stuck completely in protect mode. I ve everything listed and it wont come out of it. So should i assume the unit has gone bad?

Oct 20, 2011 | Kenwood KDC-MP142 Car CD/ MP3 Player

1 Answer

No sound from zenith dvt412 stuck in bypass mode..how to override?


this is a protection circuit.
When bypass mode then it means that something in the power supply module has failed and the unit then goes into protection mode to protect the board components.
Your surround sound need service from a qualified tech. No other remedy.

Mar 24, 2010 | Zenith DVT412 System

1 Answer

Stuck in protect mode


Protet mode is a special diagnostic mode that starts when a fault is detected.

When in protection mode the unit is prevented from starting by protection circuit, so to prevent further damage.

Check the speakers and speakers wiring, a contact in speaker wires, or faulty speakers can send the unit in protection.

Try unplugging power cable for one hour or so. then connect cable back and see if you get rid of protect state. Sometimes accumulation of electrostatic charges inside circuit capacitors can kick in protect mode. In that case unplugging the unit from main for some times can get rid of electrostatic charges, and reset circuits by draining power completely.
If that was the problem, you will not get Protect when plugging back power cable.

If you do all the above and still get Protect, then there is a real fault.

In that case the unit may be disassembled and tested to find the fault.

If that is the case I suggest contacting the manufacturer at the number listed on the owners manual, or asking a quote on repair to a local technician.

May 04, 2009 | Sony STR-D1015

2 Answers

My sharp Stereo is stuck in '' protect'' mode


Protect mode is not something that a reset will fix. Basically it indicates that there is a problem with the final output stage of the amplifier. Normally this indicates that the output transistors are defective. In most boomboxes, the amplifier is a single IC. If you can post the model number, I can provide you with the required part and cost.

Thanks,
Dan

Mar 25, 2009 | Sharp Audio Players & Recorders

1 Answer

Receiver stuck in protect mode


surely i can reset this myself without paying sony!

Feb 01, 2009 | Sony STR-DE545 Receiver

1 Answer

Stuck in protection mode


First disconnect the subwoofer wires from the amp, turn the car off and back on...is the amp on? If so your subs are shorting it out, either from a frayed wire, or blown subs.
If it is still in protection mode, check the fuses in the side of the amp.

Mar 21, 2008 | Kenwood KAC-7251 Car Audio Amplifier

1 Answer

Stuck in protect mode


Speakers shorted out, blew a fuse. Replace the unit or (cross your fingers and) open up the box and find the blown fuse.

Nov 23, 2007 | Sony STR-DE425 Receiver

1 Answer

Stuck in protect mode


i believe protect mode is because you have the wrong impedence speakers, they are too low (4 ohm? 6 ohm?) it chols work with 8 ohm speakers

Aug 16, 2007 | Onkyo TX-SV454 Receiver

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