Question about JVC Car Speakers & Subwoofers

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I have a jvc 680 head unit and when i put a cd in it turns on for 3-4 seconds and then turns off and when i push the display button it shows the time for a few seconds but other then that i have no display on the screen and no function what should i do

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I am sorry to tell you this , but there is not easy fix for an end user beside pressing the reset switch. That could help by resetting the microprocessor, but I think that the problem you are having is a feed screw in the cd mech that must be re-aligned. That is a common problem with the KD-S680. You only wrote that your model was a JVC 680, but Ithink this is the model you are referring to.

It causes the laser pick up to jam in the outer most position and when you put a disc in it will try to play for 3 or 4 seconds and then shut off.

You will need to take it to an authorized JVC service center so that they will be able to look up the tech reports on that unit. This problem is listed as a common one.

You also said that you have no functions at all. Does that mean your tuner doesn't work as well?

If that is true, you may have even more problems with it.

If the problem is just the CD problem, the repair may only cost $65 or so, depending on the rates of the service center. My shop would only charge $65 if the problem is just the CD.

I know this is not very good news, but it does sound like the problem I have researched for you, so a good rating would be appreciated if this is the problem you are having.
A good rating, even when the solution is not a popular one, motivates the experts on FixYa to still answer questions truthfully even if it is not the answer people really want to hear.

Good luck with getting your problem fixed, and let me know if you need more help, I am here if you need me.

Posted on Jun 22, 2008

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Since there are several possibilities for stereos in this vehicle, try pushing the CD button again. That should switch it back to single CD mode. If it still reports no disc, and there's a disc in the drive, it may be time for a new head unit. CD drives in auto's typically only last 3-5 years.

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To addust the time.
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Enter the PSM (personal settings mode) and turn DEMO off.

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Have just installed (per instructions) a jvc car cd KD-G386/KD-G385 receiver in my caravan, nothing seems to operate, have reset it. and press "display"button-clock comes on for couple of seconds...

Hi colinelva.
I can probably help you but I need more info.
Lets start with the vehicle, What year ,? What specific model?, What type of head unit came out? Was it factory?
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I don't need any info about the JVC Head unit.
Lets start with that, and we will take it from there.
Regards, Paul

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