Question about Clarion DXZ645MP CD Player

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Amp guard cd player turns on but produces no sound when u urn volume up or down it says "amp guard" the manual say to reset it but that dont work

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  • Anonymous May 03, 2008

    Amp guard is on and no sound, but like once and a while it will come on for about ten minutes then turn off! what the f!

  • Anonymous Aug 12, 2008

    same as above

  • Anonymous Jan 05, 2009

    tengo problemas con mi radio clarion no sale el sonido y sale en la pantalla amp guard.

    como puedo hacer para solucionar mi problema

    el modelo del clarion es DUZ 385SAT

  • Anonymous Apr 21, 2009

    cd player turns on but produces no sound when u urn volume up or down it says "amp guard" the manual say to reset it but that dont work

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Other sites I've read about this problem suggest that first you try checking the wiring to the speakers for a fault to ground OR you have speakers with too low impedance. If those check out ok, the unit needs to go back for service.

Posted on Jun 01, 2008

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1 Answer

AMP GUARD


Amp guard is a protection circuit built o protect the output from short circuits. Please check your speaker wiring for shorting. Once cleared your system should work fine.

Jun 06, 2012 | Clarion DUZ385SAT Car CD/ MP3 Player

1 Answer

It says amp guard when i turn it up


Sounds like you have speakers that are wired incorrectly. Most car stereos require a 4-ohm load, if you wire two standard speakers in parallel it will create a 2-ohm load and cause this condition.

Jun 28, 2010 | Clarion DB175MP CD Player

1 Answer

My jvc kd-g820 will not produce any sound and not accept cd


try to find the reset a little indent on the face or hole when you remove the face and push in for 2 to 3 secs with a pen or paper clip. Then try your cd again. Still dont work check to see if you have another cd jammed inside and your trying to put two cds at once.

Ok for your no sound problem. a bad speaker, short speaker (one 1 speaker shorts out all will not work cause the radio is in a protective mode), factory amp needs to be turned on, bose system or amplified system in car needs to be rewired to bypass factory amp), buy special car harness to make factory amp compatible with aftermarket radio, late ford models the back speakers are crisscrossed.

Next time please give car info and type of system you got in it so I could narrow down the possible problems a little bit easier.

Apr 08, 2010 | JVC KD-G820 CD Player

1 Answer

Message: amp guard. Sound worked for a while. Now ther is only popping and cracking.


, the message you are getting is "amp guard". This is the mesage it will display when a short in a speaker wire or speaker with low impedence is hooked to the internal amp and sends it into protect mode, shutting down the amplifier section while the rest of the unit continues to work.

check all of your speakers

Jul 23, 2009 | Clarion DXZ475MP CD Player

1 Answer

I have a DXZ648RMP Clarion car Stereo that says amp guard


, the message you are getting is "amp guard". This is the mesage it will display when a short in a speaker wire or speaker with low impedence is hooked to the internal amp and sends it into protect mode, shutting down the amplifier section while the rest of the unit continues to work.

check all of your speakers

Jan 23, 2009 | Clarion DXZ648RMP CD Player

1 Answer

I need to turn the subwoofer volume up


to turn the volume up on the subwoofer, you need to turn up your frequency on the amp... dont over do it because it can cause distrotion.

Dec 25, 2008 | Alpine CDA-9883 CD Player

2 Answers

No Sound


go to standby hold m-log button tell menu comes on display press up on volume control tell amplifier comes on display pess left on volume control tell display says amp on. the built in amp on the stereo turns of and on to provide better sound quality to the pre-amp out puts

Oct 03, 2008 | Kenwood KDC-X590 CD Player

4 Answers

No sound coming from deck


check the remote wire(the blue with white) is it giving 12 volts to the factory amp? some ford have amps that needs to turn on when the radio turns on.

Mar 17, 2008 | Alpine CDA-7863 CD Player

1 Answer

Radio shuts off at volume of 16 or more


Maybe a protection component cutting in.
If you have speakers that are too powerful for the radio it may shut down to protect the amplifier from overdriving the speakers. That produces too much heat in the amp chips/transistors and they either have a overload cut out protection circuit or they burn out.
Even if the speakers are the stock fitted ones the wattage could be bigger than the amp in the radio can handle.
There's probably no way of knowing how powerful the speakers in the truck are but you could try the radio with another set.
Max 50 Watts for that radio. If you don't have the manual for it, it's available here:
http://www.kenwoodusa.com/Support/Car_Entertainment_Owners_Manuals/#_

Mar 07, 2008 | Kenwood KDC-319 CD Player

1 Answer

Message: amp guard


That means the unit went into protect mode because of a fault in the amp of the unit. This will need to be serviced. good Luck

Jun 29, 2007 | Clarion DXZ475MP CD Player

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