Question about JVC MX-J30 CD Shelf System

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The Volume knob malfunctions

JVC MX-J30 - The volume knob malfunctions when I manually turn up/down the volume. The voulme gets louder and louder until its at max and theres no turning it down until I use a remote or just shut it off. Is there a way to adjust this by opening the system?

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  • Melvin Johnson Dec 12, 2014

    That once happened to me when I had the akai ms600 audio shelf system, when I try to turn the volume down, it malfunctions, even when I do it slightly. Usually it has something to do with the amplifier, it may be trickled or effected.

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Alright so that happened to me too and provided that you have the white piece (small, fits right into the black piece coming out of the speaker, and put it about half way on the black portion, turn it a little and the volume should decrease. Take it out and do it again until the volume gets to where you want it (bote this is only if the turning part came off, the black part sticking off is still there and you wish to turn down the volume but cant)

Posted on Jun 24, 2013

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Hi there. Sorry I haven't got a solution. Just want to know if you found one, as I got the very same prob with the volume knob of my JVC hi fi. Thanks for your time.

Posted on Oct 12, 2010

  • Vincent Oct 16, 2010

    Actually I never figured it out. I have opened up the stereo and tried my best to see if I can fix it myself but the parts looked too compact to get to. Gave up and gave the stereo away to a friend...that knew about the problem, of course. lol. They use remote.

  • aklujo Oct 20, 2010

    Many thanks for taking the trouble to reply. Guess I'll just have to persevere with mine or get a new one. Regards.

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