Question about Yamaha RX-V630 Receiver

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It has lost partially the mechanical connection between the volume control knob and the volume control pot.

When I turn the volume control down it seems to"slip" ....the knob turns but the volume does now go down. The volume on the remote works fine. I believe I just have to tighten the mechanical connection at the knob.

Thanks
Bernie

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  • Anonymous Jan 11, 2008

    I have the same problem. Pushing slightly harder on the volume knob as it is spun seems to help.

  • twicefooled Jan 13, 2008

    I have the same problem on mine,turning the knob left and right but the
    volume is not changing the right way... I think it's the problem with
    the volume knob itself since it is endless rotation...I have tried to
    open it and clean it (i think the potentiometer needs cleaning) but
    everything is well soldered and i don't have the right tools for
    that...so I'm thinking about send it to a service....for now I'm using
    the remote, but I really love to turn that knob...
    Any solution on yours???

  • Anonymous Feb 18, 2009

    i also have this problem

    when turning the volume knob the volume changes erratically and used to work perfectly

    the volume works perfectly with the remote

    the solution posted is not a valid solution as the knob on my receiver is not stripped at all infact it is in almost perfect condition

    there is obviously something more to this problem then just a stripped knob

    any ideas would be fantastic :)
    thanks in advance

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The knob could be "stripped". A drop of a slightly resilient glue should do the trick. Do not use rigid adhesives, as this will prevent future service to this area of your receiver....accordianman

Posted on Oct 31, 2007

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Doesn't sound like a fuse. They don't fix themselves when you reach 75%.

Try shaking the volume knob while in the 30-50% range and/or try (with the power off) rotating the volume knob numerous times from 0% to 100%. If when you plug it back in it responds ANY differently, you might have a bad volume potentiometer. If when you shake the knob you hear static or intermittent sound, you have a bad volume pot.

The only other thing I can think of is that the wiper of the volume pot is not in contact with the windings inside the pot until you reach the 75% mark. When the volume comes on at 75%, does it start off kind of "static" then come in loud and clear? Also try this.... adjust the volume pot to 74% (or when the sound just begins to come on). At this point shake the knob. If you hear static, replace the volume pot.

Unplugging it when still on shouldn't cause any damage... in fact it probably hasn't considering it works at 75% plus.

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2.) Get some "tuner cleaner" in a spray can.. At Radio Shack or a similar store.. Lay the radio on its back so the volume knob is facing up.. Pull the knob off carefully.. Use short controlled bursts of the spray.. A few sprays and spin the knob min to max several times and repeat..

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PLease dont forget to rate for your free question..

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