[Boatanchors] IF transformers

[Singley, Rodger]

Grab the HQ-180 manual from Bama, it has the values listed.  That is what I used for reference when I repaired the IF cans in my HQ-170 many years ago.

Rodger WQ9E

-----Original Message-----
From: boatanchors-bounces at mailman.qth.net on behalf of Drew P.
Sent: Sun 2/14/2010 3:39 PM
To: boatanchors at mailman.qth.net
Subject: Re: [Boatanchors] IF transformers
 

Patrick wrote:

> I've repaired one IF can in a HQ-170 this way.  The
> cap inside the IF  can had shorted and took out a 
> small resistor. I went slow and took digital photos. 
> The photos are really worth the time when the work is 
> spread out over an evening or two. If you don't have a
> camera with a good close up lens pencil on paper 
> stretching works okay too.
> 
> I ending up mounting the replacement cap just under 
> and outside the IF coil because I couldn't determine 
> what value was needed.  I tacked different values in 
> place until one tuned okay.
> 
> It would have been a big help to know the correct
> replacement value prior to dis-assembly.  I never 
> found where that was published.

[snip]

So, at what value did you arrive?  The suspense is killing me!

Drew



      
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