Re: [TenTec] 937 PS-troubleshooting-(blush)-TNX TEN TEC--Lesson Learned

[<ve1bn@ns.sympatico.ca>]

Alan -

Real glad you found the problem.  I had no idea you were running excessive 
power.
73 -

Don,  VE1BN

----- Original Message ----- 
From: <ARDUJENSKI@aol.com>
To: <tentec@contesting.com>
Cc: <service@tentec.com>
Sent: Thursday, May 04, 2006 2:08 PM
Subject: [TenTec] 937 PS-troubleshooting-(blush)-TNX TEN TEC--Lesson Learned


> RADIO: 555 SCOUT
>
> ISSUE: Chirp on the CW signal.  Voltage at output of 937 was dropping 
> from
> 14.2 TO 10.3
>
> LESSON LEARNED
>
> Well, after checking several potential problems and not identifying the
> culrpit I tried an Astron 7 amp and same problem but noticed meter light 
> was
> dimming. I made a call to TEN TEC thinking the problem may in fact be the 
> SCOUT
> and I may have to ship that out.
>
> I talked with GARY at Ten Tec and with an AH HA and a rub of the chin, 
> Gary
> said he thought he knew what the possible problem was-- RUNNING MORE THAN 
> 50
> WATTS on the Scout. I had readjusted the RF CONTROL from 5watts and just
> turned the adjustment all the way clockwise. Well dang it HE WAS  RIGHT. 
> With
> power meter and dummy load in hand backed off the drive and  everything is 
> working
> great.
>
> ONE MORE THING: Gary noted sometimes the caps to the final C1 and C4 could
> have been the wrong value or need replacing with 100v 104s (0.1). 
> Thankfully
> that was not at issue
>
> I thought I would pass this LESSON LEARNED along. Not quite as bad as  not
> having it unplugged  but close (smile)
>
> Thanks to all who have responded and especially GARY AT TEN TEC
>
> Alan  KB7MBI
> Woodinville, WA
>
>
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