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Press buttons do not work on the bottom of my Kenwood DNX-7220, everything else does through touch screen or remote

Problem first started when I pressed the up volume button and it went up to max and the down volume button did not function. After a few minutes the buttons worked. This happened a couple of times. Then all the press buttons on the bottom of the unit do not work (on/off, volume, door open, and the others). I can operate the unit with the touch screen but when I switch from ipod to gps, I cannot get back to ipod as there is nothing on the gps screen that can send me back. Right now I use the remote to switch from gps to ipod. I use the touch screen for volume control. My backup camera does not display now when I back up. The GPS and everything else works fine....only the buttons on the bottom of the unit do not work. I think the power connection to this area is broken.

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  • Ross Lozon Jan 03, 2013

    Thanks for the input. Either I have dust in the area around the buttons that needs to be cleaned or I need to replace the BR2325 battery. The unit is around 3 years old so the battery may be dead. Funny that everything else works. Would not have thought the buttons rely on a battery to operate.


6 Suggested Answers

  • 2 Answers

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: Touchscreen problem

I corrected my problem. It was a pain, but I pulled the thing apart and cleaned the screen around the edge of the frame. It had alot of dust and particles there. Put it back together and with one calibration it works fine.

Posted on Dec 17, 2007

SOURCE: doesn't opperate

I have the same problem.

Posted on Mar 06, 2008

  • 1 Answer

SOURCE: powers up but no display

Battery can be replaced by you with a soldering gun. Battery is a BR2325 which is hard to find, but a CR2325 works just fine and will last longer. The BR2325 with legs for soldering to pc board is available
from Digi-key an online supplier for $1.73 US. It is easy to do. Understand that all prior waypoints and tracks are lost when this battery is replaced.

Posted on Sep 21, 2008

  • 27 Answers


this may sound silly but your reset button may be stuck on on.
try resseting everything and updating the device.

Posted on Jul 01, 2009

  • 4090 Answers

SOURCE: Hello, There,

The first bit of advice, never leave the gps in the car the temperature can warp the motherboard and the case

The battery is low too low to allow for the unit to reach the satellites. eratic behaviour is also part of low power. recharge the battery

Posted on Aug 12, 2009

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