[TenTec] PTO Rebuild or not

[Tim Heasman]

Hi,
It is R3 on the mixer board and it affects 10, 21 and 28 Mhz bands.
See page 3-7 of the Corsair II manual.  Suggest you redo the set up 
procedure to exercise the pot.
73
Tim
gm4lmh

--------------------------------------------------
From: "Bob Towers" <mm0rkt at gmx.com>
Sent: Thursday, December 02, 2010 11:01 AM
To: <tentec at contesting.com>
Subject: [TenTec] PTO Rebuild or not

> The warble on my Corsair II was only on certain bands. If I remember
> right, the offending pot on my Corsair II was the pot which supplied a
> preset voltage to the varicap which in turn provided an extra
> capacitance for the frequency offset on the PTO.
>
> The offset is only on some of the bands - can't remember which ones -
> and it was this feature which enabled one of the contributors to this
> forum to spot the source of the problem. At the time I solved it with a
> squirt of switch cleaner but the problem returned so I plucked up
> courage and replaced the pot.
>
> I hope there are other contributors who have better memories than I do
> and can supply more detailed information!
>
> 73
>
> Bob
> MM0RKT
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