Steve,
If you have a scope...look at the voltage to the PTO....It may be
moving around. I assume you have a re-built AC-4 you are using?
73,
Lee
-----Original Message-----
From: Steve Wedge <[email protected]>
To: geoffrey mendelson <[email protected]>; Eddy Swynar
<[email protected]>
Cc: Steve Wedge <[email protected]>; drakelist
<[email protected]>
Sent: Fri, Jul 29, 2011 10:21 am
Subject: Re: [Drakelist] R-4A PTO: It wasn't the transistors (entirely)
No, this isn't "sticky" - it tunes quite smoothly. The frequency hops
around
without touching anything.
W1ES
-----Original Message-----
From: geoffrey mendelson <[email protected]>
Sent: Jul 29, 2011 8:10 AM
To: Eddy Swynar <[email protected]>
Cc: Steve Wedge <[email protected]>, [email protected]
Subject: Re: [Drakelist] R-4A PTO: It wasn't the transistors (entirely)
Eddy,
This does NOT seem right to me, and leads me to suspect---in my
case, anyway---that another complete tear-down of the PTO "works" is
in my future, to be followed by a THOROUGH cleansing of everything
in sight that moves with a wash of isopropyl rubbing alcohol & Q-
tips...no guarantees that this'll work, either, of course---but hope
springs eternal.
On another list, with another brand of radios, some people have had
good luck fixing "sticky" (but not stuck) PTOs using a bicylce
lubricant. It's not sold where I live, so I did not pay attention to
the name, it's something like "tri-flow" (or maybe not). It's a spray
lubricant with little bits of teflon in it.
Anyone with any experience or knowledge care to comment? Is it a good
idea or a bad one? Any success or failures?
Geoff.
--
Geoffrey S. Mendelson, N3OWJ/4X1GM
Making your enemy reliant on software you support is the best revenge.
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