[Hallicrafters] Power Transformer For SX-28

[Rob Copeland]

Hi Al,
Yes I think the jpeg's will be helpful so yes please send them! :) Luckly
for me I have an experianced ham and tech helping me restore this radio so I
have been made aware of these things. Upon first firing of the radio we
brought it up s;lowly on a variac before actually putting full power to it.
I have replaced every cap and resistor in the thing with the exception of
the IF, BFO, and AVC cans. I am thinking that T3 is my problem as I have
rewired t1 and t2 although it is always good to double check with some one
else. Which of course is the reason for my searching for diagrams of the
wiring. Anyway T3 has a trimmer cap that is intermittant so I am going to
dig into it and see what the damge is. :)

Thanks!

Rob

-----Original Message-----
From: hallicrafters-bounces at mailman.qth.net
[mailto:hallicrafters-bounces at mailman.qth.net]On Behalf Of Al Parker
Sent: Monday, April 24, 2006 11:21 AM
To: Rob Copeland; Hallicrafters at mailman.qth.net
Subject: Re: [Hallicrafters] Power Transformer For SX-28


Hi Bob,
    I have some sketches I made showing wiring around tube sockets & (I
think) IF cans.  I can email them to you, .jpg's, maybe they'll be of some
help.
    Glad you bit the bullet on the xfmr, but treat it with care.  If it
hasn't been powered up in recent years, dry it very well before putting
power on it, they do develop shorts, experience speaking.
73,
Al, W8UT
New Bern, NC
BoatAnchors appreciated here
http://www.boatanchors.org
http://www.hammarlund.info

----- Original Message -----
From: "Rob Copeland" <rob at v6spider.com>
To: <Hallicrafters at mailman.qth.net>
Sent: Monday, April 24, 2006 2:11 PM
Subject: RE: [Hallicrafters] Power Transformer For SX-28


>
>
>
> To All that have responded... Thank you so much for your info and
support.
> Thankfully the transformer turned out to be good. The problem was the
ground
> tab was not bolted to the chassis. Being as it was hidden under the
Phono
> coax I had trouble finding it until I went to pull the transformer. Then
low
> and behold I found the loose tab and after a quick bench check of the
> transformer I luckly found it to be good. Now back to the IF section. If
> anyone has a diagram of how the IF Cans T1 -T3 are supposed to be
connected
> that would be extremely helpful. Seeing how the insulation was
completely
> gone from those units and the schematic I have does not show any sort of
> color coding for the wiring of those IF cans.
>
> Thanks Again! :)
>
> Rob
>
>
>
> -----Original Message-----
> From: hallicrafters-bounces at mailman.qth.net
> [mailto:hallicrafters-bounces at mailman.qth.net]On Behalf Of Rob Copeland
> Sent: Friday, April 21, 2006 2:03 PM
> To: Hallicrafters at mailman.qth.net
> Subject: [Hallicrafters] Power Transformer For SX-28
>
>
> I am looking for a power transformer for an SX-28. Anyone know where I
could
> find one?
>
> Any help would be deaply appreciated. :)
>
> Rob
>
>
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