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Question about Kenwood HTB-406 System

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Remote or Tuner Problem?

I've had my Kenwood HTB-406 system for several years. I recently encountered a problem with volumn control on my remote control. It functions when I first turn the system on but doesn't after awhile. I've replaced the batteries in the the remote several times but this does not remedy the problem. I've tried several different function buttons (Input Mode, Monitor) to see if its something I may have pushed accidently but nothing seems to work. I even reset (held the power button in while unplugging and plugging in the power cord)which I thought fixed it. I had remote volumn adjustment for a short time while playing a DVD but then it stopped responding. Any advice or help would be appreciated.

Posted by Ken Lucas on

  • parts21 Jul 15, 2008

    i have the same model and i went as far as replacing the remote and still nothing there has to be a way to fix this,but i need a manual,hear i thought i was alone

    tks ray

  • Naveen Nov 12, 2018

    Buttons not working Kenwood kdc u4549sd



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Buttons not working problem
Remote or Tuner Problem? - 11_12_2018_9_56_47_am.jpg

Posted on Nov 12, 2018



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Here is a way to see if the remote works on not. get radio and switch it to am mode. then face the remote to the radio and press the buttons. if you hear noises, then the remote is working fine. if not, the you have to open it and clean it from the inside. use alcohol on the board but never put any alcohol on the rubber buttons. just use a q tips to clear the rubber buttons. good luck

Posted on Apr 08, 2007


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You must have the remote to clear the security code. It will not work by using the keys on the display. here is the method of clearing the code.

1. When you are requested to enter the security code, while
pressing down on [AUTO] key, use a long-press on "track forward >>I" key
for 3 seconds. (----disappears.)
2. Using the remote controller, input “KCAR.”
Press remote controller [5] key 2 times and then press "track forward >>I" key. (Input for “K.”)
Press remote controller [2] key 3 times and then press "track forward >>I" key. (Input for “C.”)
Press remote controller [2] key once and then press "track forward >>I" key. (Input for “A.”)
Press remote controller [7] key 2 times and then press "track forward >>I" key. (Input for “R.”)
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sourcing mode.
4. If a wrong code is input, the unit goes into the Code Request

If you do not have a remote, you can take it to an authorized kenwood service center and they can do it for a small fee. My shop charges $25. Or you can order a remote from them and do it yourself, or borrow a remote from a friend who has a recent Kenwood model radio, they all work with it if the radio is new in the last 5 years or so.
Since this will clear the code if done properly, a rating of "FixYa" would be appreciated.

Thanks and let me know if you need any more help.


Replacing remote control

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I also found the remote in ebay.
let me know If you can not find the original remote i have the model of another remote that works with the receiver acording to kenwood, but is more expensive.

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