Question about Kenwood DPX-4020 CD / Cassette Player

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My Kenwood DPX-4020 suddenly turns up to max vol

My Kenwood DPX-4020 suddenly turns itself up to maximum volume and stays there. It won't turn off. No button on the device gets any response. I end up having to pull over and yank the fuse out of my fuseblock just to stop it. Reinserting the fuse seems to allow it to reset to normal but it only stays that way for a little while. I can tell by the feel that the volume buttons are okay. I know what a collapsed blister panel-mount button feels like but this isn't the case. Both volume up and volume down buttons respond with a crisp return.

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Posted on Nov 29, 2012

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You probably have a bad switch. you need to use a multimeter and check the resistance of your volume up switch, if less than a few meg., the switch is bad.

Posted on Oct 05, 2009

  • RAYDOG Oct 14, 2012

    how do replace it DIY ....

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