|[AMRadio] The Viking II is FINALLY starting to work|
ellenjoanne2003 at sbcglobal.net
Sun Feb 3 13:19:26 EST 2008
Thanks for the info Bill, :)
Hmmm, so the shunts are those two loops on either side of the where the
center tap from T1 feeds onto the terminal strip. I didn't know that. I
thought it was the bridging wire across Postion 4 on the meter function
switch. As for the roller inductor - yes that's one of my concerns for
being the smoke generator. If it's going funky, I have no idea if it can be
repaired. I may have to get one out of a junker.
Ellen - AF9J
----- Original Message -----
From: <doxemf at aol.com>
To: <amradio at mailman.qth.net>
Sent: Sunday, February 03, 2008 12:04 PM
Subject: Re: [AMRadio] The Viking II is FINALLY starting to work
> It sounds like you are almost there !
> I just got my VKII putting out power after replacing a broken and
> worn out roller inductor.
> One thing that no one has mentioned is that the plate meter shunts,
> both final and mod, that are located on a terminal strip near the
> center rear under the chassis, can be poorly soldered if the rig was
> kit built. They are only about 1/2 inch lengths of nichrome wire shaped
> as little covered loops. Nichrome wire is not solderable so they must
> have been treated originally for the solder to take. In anothe VKII I
> have that was kit the solder connection had become unbonded and under
> load was intermittent giving all kinds of current readings and behavior
> including readings without the plate switch on. Just to let you know.
> Another common problem is that the smaller silver mica loading caps
> can short out and the loading controls will not behave properly. I
> think that is a problem I am having now myself but haven't pulled the
> front panel again to check them. They are under rated and known to
> become leaky.
> Check out the condition of the roller bar also as mine had been worn
> oval with erratic connection when trying to tune. The roller itself was
> Enjoy !
> Bill, KB3DKS
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