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Subject:
From:
"Howard, W A 9 Y B W" <[log in to unmask]>
Reply To:
For blind ham radio operators <[log in to unmask]>
Date:
Wed, 4 Nov 2015 08:09:05 -0600
Content-Type:
text/plain
Parts/Attachments:
text/plain (153 lines)
Yes the Deoxit product works great, however, you do not use it like your 
typical contact cleaner, it is not a wash.  You use it very sparingly, 
follow the directions on the can.

Howard #3, W A 9 Y B W

----- Original Message ----- 
From: "Don Breda" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Wednesday, November 04, 2015 5:21 AM
Subject: Re: Interesting TMV71A Issue


> You can get a product called deoxit from amazon.
>
> Works very well.
>
> Don
>
>
>
> On 03-Nov-15 5:48 PM, doug and sheilla emerson wrote:
>> I have the same issue that several of you have discusdsed concerning the 
>> t m
>> v 71 A. I'd like to clean up the fuses and fuse holders and see if the
>> problem goes away. My question is: what type of cleaner should you use to
>> clean up the fuses and the holders. Someone else asked the same question 
>> a
>> few posts back. Doug, N6NFF
>>
>> -----Original Message-----
>> From: George Smith
>> Sent: Tuesday, November 03, 2015 2:36 PM
>> To: [log in to unmask]
>> Subject: Re: Interesting TMV71A Issue
>>
>> clean up power connections.
>> ----- Original Message -----
>> From: "Tom Behler" <[log in to unmask]>
>> To: <[log in to unmask]>
>> Sent: Sunday, November 01, 2015 6:17 PM
>> Subject: Interesting TMV71A Issue
>>
>>
>>> Hi, everyone.
>>>
>>>
>>>
>>> Well, last night, I got rid of the gremlin that was causing issues with 
>>> my
>>> ability to play selected audio files using Winamp, but now, another
>>> gremlin
>>> has appeared in my shack.
>>>
>>>
>>>
>>> This time, I'm experiencing a very strange problem with my Kenwood 
>>> TMV71A.
>>>
>>>
>>>
>>> The problem occurs mainly when trying to transmit with high power on 
>>> 440,
>>> but it happens occasionally when trying to do so on 2 meters as well.
>>> Basically, when I transmit with high power, especially on 440, the rig
>>> shuts
>>> off for a split second, but then comes back on.  It's almost as if the 
>>> rig
>>> is not happy transmitting on high power for some reason, again, 
>>> especially
>>> on 440.
>>>
>>>
>>>
>>> I discovered this issue late this afternoon, as I was doing my usual
>>> monthly
>>> tests of equipment, antennas, etc., at least as best as I can from here 
>>> in
>>> the shack at the home QTH.
>>>
>>>
>>>
>>> In trying to diagnose the problem, I have done the following things so
>>> far:
>>>
>>>
>>>
>>> 1.  My first thought was that something has gone wrong with my outdoor
>>> Diamond X200 VHF/UHF antenna, which is fed with RG9913 coax and is on 
>>> the
>>> roof of my house at a height of approximately 35 feet.  I took SWR, as
>>> well
>>> as forward and reflected power readings using my TW2.  Both on 2 meters
>>> and
>>> 440, adjusting the meter for each gand as I went.  my SWR's on each gand
>>> are
>>> between 1.2 to 1 and 1.3 to 1.  On medium power, my forward power on 
>>> each
>>> band is between 9 and 10 watts, and my reflected power is either at 0
>>> watts
>>> on 2 meters, or point 2 watts on 440.
>>>
>>>
>>>
>>> 2.  I then tried switching jumpers between my TW2, and the Diamond X200
>>> connection on my MFJ window feed through panel.  Again, no change.
>>> Admittedly, I haven't swapped all jumpers out, but at least the initial
>>> jumper swap didn't change the results.
>>>
>>>
>>>
>>> 3.  I then did a V F O re-set on the TMV71A, with again, no change in my
>>> results.  I'm a bit reluctant to do the full re-set, but may do so as a
>>> last
>>> resort, since I have the TMV71A programming cable, and also have all
>>> memories and menu settings saved in a data file for the rig.
>>>
>>>
>>>
>>> One other thing I might try is to see if this happens with the TMV71A 
>>> that
>>> I
>>> typically use when camping out at the RV.  It is here in my shack in a 
>>> box
>>> for the winter.
>>>
>>>
>>>
>>> Before I go too crazy with all this, though, I'd like to know whether
>>> anyone
>>> else has experienced this issue, and if there are other ideas out there
>>> that
>>> I might want to try.
>>>
>>>
>>>
>>> Thanks as always for the help.
>>>
>>>
>>>
>>> Tom Behler: KB8TYJ
>>>
>>>
>>
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