Question about JVC HX-D7 Shelf System

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Take off protect mode?

Power does not turn on

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Hi ,
Does your unit go into protect mode without speakers connected?.
Jango

Posted on Mar 04, 2008

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1 Answer

What's your problem?powerprotection mode unlock


If the protect function works and causes hindrance to trouble shoot, cancel the protection function as described below, and it will be possible to enter the self-diagnostic function mode. (The protection functions other than the excess current dtect function will be disabled.)

While pressing the "Tone Control" and "Info" keys, press the "Power" key to turn on the power and keep pressing those 2 keys for 3 seconds longer.

The seld-diagnostic function mode is activated with the protection functions disabled.

In this mode, the "Sleep" segment of the Flourescent Display flashes to indicate that the mode is self-diagnostic function mode with the protection functions disabled.

Caution!!!! Usiong this product with the protection function disabled may cause further damage to your unit, so use special care when using this mode.

Apr 18, 2012 | Yamaha RX-V671 7 Channel AV Receiver -...

1 Answer

MY soundstream LiL Wonder 4.620 is only going in protection mode


Disconnect all speakers Meter power, remote, ground at amp, if all is good move on, if not check main fuses
Turn amp on; If in protect mode then your amp is toast Turn amp on, if not in protect mode then start reconnecting speakers one by one until your amp goes into protect mode, then you'll know which speaker is bad.

Sep 19, 2011 | Car Audio & Video

3 Answers

My nitro bmw-486 amp is in protect mode how can I


Disconnect all speaker connections and rca cables. Leave power, ground and remote wires intact. Try turning on again. If you still have a protection light your amp is faulty. Hopefully you have warranty De .A thumbs up would be greatly appreciated if this answer is helpful to you. nitro-bmw-486-amp-in-protect-mode-lv2kkrmxrai4iihdvw4m3np2-1-0.jpg

Feb 24, 2010 | Nitro BMW-486 Car Audio Amplifier

1 Answer

Power light turns from green to red protect mode and then there is no sound coming from my speakers


there are 2 reasons for it to be going into protect mode 1 is heat 2 is the load on it. if it is going into protect mode soon after it starts there is a problem with the speaker. if it is after it has been on for a while it is that the amp itself is overheating. hope this answers your question

Apr 27, 2009 | SPL Audio Phantom DK2-1000 Car Amp

1 Answer

Protect keeps flashing


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.

Apr 23, 2009 | Sony STR-DE475 Receiver

1 Answer

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.

Dec 11, 2008 | Phoenix Gold Titanium 800.1 Car Audio...

2 Answers

Crunch GP 3000 D Pro


It's very likely that the output transistors have failed in the amp. They will need to be replaced.

Jun 14, 2008 | Crunch Drive V-600 Car Audio Amplifier

1 Answer

Protect mode


Hi ,
Does your unit go into protect mode without speakers connected?.
Jango

Feb 08, 2008 | JVC HX-D7 Shelf System

2 Answers

Protect Mode


Is it doing this while you have it turned right up? Most systems have protect mode because you are trying to draw to much power or amps through them. Are you trying to run to many or to large of a speaker through them all systems have rate output if you try to exceed this they go into protect mode so you don't blow the amp.

Dec 10, 2007 | Onkyo TX-DS676 Receiver

2 Answers

Amp keeps turning itself down - cant turn off 'protection'


yes,pls.stop plugging the system,you may harm your system if you do so,the system has it's own system analysis mode,and if there's something wrong in the circuitry,it will activate,you need the authorize service center my friend,it's a technical problem.

Dec 09, 2006 | Cambridge Audio Azur 540A Amplifier

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