Ok, John.
Well, needless to say, I hope it's not the fan starting to go bad, since I
really don't want to send the rig in for servicing unless I have to.
I'll see what Ray has to say about tightening the screws on the fan housing.
Hopefully, I'll get lucky, and that'll solve the problem.
Best 73 from Tom Behler: KB8TYJ
----- Original Message -----
From: "John Miller" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Thursday, June 02, 2005 12:34 PM
Subject: Re: interesting little problem with Kenwood TMV7A
> the fan might be just starting to go bad. sorry to say that but I have one
> in my computer doing that now, it makes noise at startup in the morning
but
> then is fine all day after a few minutes. that's about all I can think of
> unless maybe the fan just came loose but that's a long shot.
> ----- Original Message -----
> From: "Tom Behler" <[log in to unmask]>
> To: <[log in to unmask]>
> Sent: Thursday, June 02, 2005 11:52 AM
> Subject: interesting little problem with Kenwood TMV7A
>
>
> 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
>
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