Question about JVC HX-D7 Shelf System

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Hx-d7 turnoff by itself in five second after protect flash

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  • Anonymous May 11, 2008

    i have this problem too, i can't fix it,

    i need help? pleasee.......

  • jobarthel Aug 31, 2008

    is there a code to fix this error? My daughters stereo went into protect mode right after her birthday and we can't find the book to find if there is a code to try to fix this, is there?

  • Anonymous Oct 07, 2008

    shuts off at protect message

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  • 44 Answers

You have a short in the internal power of this unit. It is going into protect and shutting itself off to keep it from damaging anymore of the internal electronics. Very likely a voltage regulator has gone bad or a power capacitor has gone bad. You will not be able to repair this yourself unless you are skilled in electronic repair. I would suggest contacting the manu and seeing if they have a authorized repair shop in your area. If not ask around and see who is a reputable repair shop in your area.

Posted on Feb 09, 2008

Shut off and protect flashes across the screen

Posted on May 07, 2008

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1 Answer

I Got A JVC HX-D7 From My Uncle And I Went To Go Turn It On And It flashes PROTECT a few times and shuts off. What do i do??


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.

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i have tired all of them so now what can i do

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the unit may be damp inside.there is dew protection on most new units.It sometimes happens when units are used in the basement.unplug it and plug it back in again and see what happens

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You can't. The main amplifier module will probably have a channel blown. The unit is detecting this and tripping into protect mode to stop further damage occurring. Needs to go to a repair place. sorry. ps If you get sound briefly before it trips off then it may just be a speaker wire shorting out! worth checking

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The problem is that the output amplifier section has a problem and the protection circuits are shutting down the system to prevent further damage. This should be a simple repair for any local service shop. If you can't find someone local, look up at the JVC website for an authorized service center. Use your zip code to locate the closest one.

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

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Hi ,
Does your unit go into protect mode without speakers connected?.
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That could meen that something is improperly connected. You should try to disconnect everything, and then reconnect it step by step.

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I had a similar problem, and took it to an authorized repair shop(under warranty), the kept it six months, and JVC finally admitted there are solder connections with that model, and six months later, we got a new unit. I will buy Sony next time

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