{Collins} Re: KWM-2 Low RF Output-PROBLEM SOLVED



Whoa   Kurt, you da MAN   ...   very good call...



Located 46 miles due North of the Alamo, and 121 miles due South of the
Western White House.   see my website at  www.collinsandharrisradios.com
----- Original Message ----- 
From: "Dom DiClementi" <DomD@xxxxxxxxxxx>
To: "Collins Mail List" <collins@xxxxxxxxxxxxxxx>; "Collins Reflector"
<collins@xxxxxxxxxxxxx>
Sent: Sunday, October 03, 2004 3:52 PM
Subject: {Collins} KWM-2 Low RF Output-PROBLEM SOLVED


> Well after listening to all the great suggestions, most of you directed me
> to the band switch.  Since the symptoms seemed frequency sensitive I was
> about to open er up to begin the cleaning process.  However, Kurt peaked
my
> interest by suggesting that it was an SWR problem.  Although my SWR bridge
> was indicating 1:5 to 1 or less on all bands I figured it wouldn't hurt to
> check the cabling.  Low and behold I found a loose shield connection at a
> coax switch which solved the problem.
> Thanks to all of of you who helped make this an easy troubleshoot.
>
> Vy 73
>
> Dom, N3DD
> -----Original Message-----
> From: Dom DiClementi [mailto:DomD@xxxxxxxxxxx]
> Sent: Sunday, October 03, 2004 2:34 AM
> To: Collins Mail List
> Subject: KWM-2 Low RF Output
>
>
> Hi to all on the List
>
> My KWM-2 has just developed a new problem; low output on most bands.  Here
> are the output readings:
>
> 80m  100w
> 40m   50w
> 20m   5w
> 15m   5w
> 10m   5w
>
> There is plenty of grid drive on all bands and I have swapped out V2, 4,
5,
> 6, 7, 13 and 15 with known good tubes.  Have not checked the driver or the
> PA's yet.
>
> Your idea's please.
>
> Vy 73
>
> Dom, N3DD
>
>
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http://www.collinsradio.org
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Nets: Tues: 3.805 Mc-2000 Central / Thur: 3.875 Mc-2000 Central
Fri: 3.895 Mc-2000 Pacific / Sun: 14.263 Mc-2000 UTC
1st Wed (of the month) AM Net 3.880 Mc-2000 local (ET, CT, MT, PT)
Sun AM Net: 29.050 Mc-1200 Central






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