Question about Kenwood DNX7100 Car Video Player

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Screen tilt control problem

I've had the DNX-7100 for a couple of months and up until now I have been very happy with it. I installed a new battery in my car. There was no drama here, simply pull out the old and drop in the new. I hop inside and my screen won't tilt to the position i had chosen. Going to the screen tilt control screen, I see that position -1 is selected, but the screen is at position zero. When I select other angles the objects depress animation is active, but the selection won't change and the screen stays put. No noise or any visible effort to move. When I kill the power to the unit the screen does it's little homing routine, moving in both directions and parking at the zero position. When I press eject the screen lowers to the correct position but will not return unless I power the unit off. The screen will not open to the card slot access position when I hold the eject button either. Tech support is no help and because I bought the unit on E-Bay, NO WARRANTY. I'm considering buying the service manual for $20, but my gut tells me it's a software issue. I read about similar issues in a 4Runner thread. I bet I could re-flash, but Kenwood won't go there for me.

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  • jsanborn Oct 01, 2007

    Same here!
    I did not manually set the screen or anything. I simply disconnected the battery for a spell.
    All better! I'm somewhat disappointed with KW tech support however.
    I'm back to loving my unit now. I'd recommend it to anyone!

  • Anonymous Nov 06, 2007

    As advertised! If the unit is not in the slightly tilted position out of the box, the initialization program fails and the screen will not work properly. After disconnecting the battery with it in an incorrect position (i.e. half opened), once the battery is connected, the unit works like a charm. I was ready to return the unit until I read the previous posts - good job guys!

  • tripleblack Nov 18, 2008

    hey i'm having the same problem and when i installed this unit in my 07 tahoe with bose system adn onstar the onstar interface said if i'm using a high draw unit liek a DVD nav then i should bypass the power relay my truck runs on a 14V. system i know this becaseu i tried to hard wire in my sirius and it wouldn't work unless it was running through the cigarette lighter plug in so i was wondering if this screen running at 14v is making my screen not tilt properly

  • maxjam_p May 24, 2009

    my dnx7100 stop workign OMG!! . i was cleanning the battery for my car earlier this mornin as it had some dried acid which is mornal after a while. i removed the positive and negative wires cleaned and went on with my day. when i tired playig my dvd in the car the screen did open down to insert dvd disk but it didnt tilt back up. i then saw fixya posts for the same issue, followed what others did .. i turned car on pressed eject button and turned car off quickly removed the negative line from my battery for 30 secs or so.. reconnected negative wire to battery and walaaaaaa problem fixed the lcd readjusted itself as i restarted the car and was working like brand new.. i love my system but this lil mishap is totally kenwoods fault i mean what the hell!!! all is good and im back up and runing love my DNX7100 i have no other problems with it. THANX FIXYA !!!!!!



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Yes opening the unit with the eject button then manually closing the unit halfwaly, and disconecting the battery for like 30 secs cured my issue as well. Thanks

Posted on Feb 14, 2008

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Thank god for google. I about shat my pants when mine stopped working. Same as everyone else...I disconnected the battery and it caused the problem. I moved the LCD carefully to a nearly closed position, pulled the power, waited 30 secs, plugged it in and HOORAY!!!! it works again.

I just started a new website...WWW.DNX7100.ORG.

I'm working on it this week and it will be a place for owners to share info, files, chat, etc.

See ya'!

Posted on Nov 21, 2007


Easy....Right click on desktop and go to graphic properties. Uncheck the hot keys and it will fix the problem.

Posted on Oct 21, 2008

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I also had this problem just today (July 24 2008) when I had my battery changed. Like others in this post and some other threads I have seen, in my system (which is actually a DDX7019, but the problem seems to span several models with the motorized screen), the tilt function didn't respond at all, it simply stayed in the -1 position,no matter what button was pressed. Also, when i pressed the button to eject the CD/DVD the screen would move to the down position but not go back up until the car (or power to the unit via the off button) was turned off for about 30 seconds. The solution that everyone has mentioned worked for me! However, one difference is that i didn't need to manually move the screen. I only used the eject button to put it in the full down position and then turned off the power at the ignition and disconnected the negative post of the battery. Waited 30 seconds like everyone else, reconnected battery and presto! back in tilt action! After i disconnected the post i checked the screen and it was at the zero positon, but i don't know if it returned because it took me too long to disconnect the battery or actually disconnecting the battery did it, not a big deal of course since it worked!) So, bottom line is, it may not be necessary to physically move the screen. Maybe just the reset of disconnecting the battery is enough. Now having said all this, my fix is only about 30 minutes old so I don't know if it will last but i really hope it does, and based on what I have read i think it'll do the job, at least until i have to disconnect the battery again! -Thanks to all who have contributed to this, you have really saved me alot of time!

Posted on Jul 25, 2008

Folks, I too had this problem - exactly as described on my brand new unit. I Googled and found many others had the same symptoms. Panic! The solution I found is simple. I do not believe it is a fault and I am surprised that the various Kenwood Tech support guys reported in other posts think it is. How many of these units have been returned and the new ones are just the same? The clue is on the yellow sticker on the top of the new units. It explains that the front panel may be at an angle when you take it out of the box. "If the program that is activated when the product is first powered on works properly, the front panel will automatically move into the position (initial setting angle shown in (Fig. 2)." In other words, the unit should go through a first-time power up cycle which initiatializes and calibrates the screen position. I am guessing, but I think what happens is that sometimes the power-up program refered to above fails to "work properly", possibly because the screen is in the already aligned position, or perhaps because when you reconnect the vehicle battery it does not return power cleanly (mine sparked and I jumped!). So I used the 'eject' button to get the screen to full down position and then disconnected the battery again. I then manually pushed the screen up to about 45 degrees (note that it will push up without much effort, but not down) to ensure it was in a non-standard position and then reconnected the battery. Sure enough the unit went through a screen tilt cycle and then returned to 0 degrees. After that it behaved perfectly. Hope it works for you.

Posted on Sep 30, 2007

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