Tom,
Put the noisy one in the car; you'll never hear it there!!!
Pat, K9JAU At 11:52 AM 6/2/2005 -0400, you wrote:
>Hi, all.
>
>As many of you know, I purchased a used Kenwood TMV7A at the Dayton
>Hanvention several weeks ago.
>
>The rig works great, and I absolutely love it, since it's identical to the
>TMV7A I have in the car.
>
>Anyway, I have noticed an interesting little problem with the rig that I
>thought I'd ask about here.
>
>When I first transmit with the rig early in the morning when the rig is cool
>and hasn't been used for 8 or 10 hours, the cooling fan makes kind of a
>vibrating or "grinding noise.  If I jiggle or shake the rig gently, the
>noise stops.  This only happens on first key-up, and at no other times.  I
>know that the fan slows down slightly whenever the transmitter is keyed, but
>this is a weird grinding or vibrating noise that happens only once after 8
>or 10 hours of the rig being completely off.
>
>I am using the rig as a base unit here at the house, and have it on the
>mounting bracket on my study desk.  The rig is angled so that the fan is
>facing down, and the control head is up at about a 30-degree angle.  I run
>the rig with a power supply that is 14 amp continuous, and 12 amp surge.  I
>usually only run 5 or 10 watts.
>
>I sure hope I don't have to send the rig in for servicing.  It's a weird
>little problem that only happens when I first use the rig.
>
>Is there something I could do here to address the situation?
>
>Any suggestions would be appreciated.
>
>By the way:  I've written to Kenwood about this also;  will see if I get a
>response.
>
>Best 73 from Tom Behler: KB8TYJ, Big Rapids, MI