[Hallicrafters] Re: SX-62A Questions

[Chuck McGregor]

At 12:37 PM 10/27/2004, Troglodite at aol.com wrote:

>In a message dated 10/27/04 12:26:35 PM Central Daylight Time,
>k6jek at comcast.net writes:
>
> > There are some funny paper caps with braided leads.  I got an
>explanation of those caps from a real expert.  I've forgotten the
>explanation but I do remember the advice.  Unless you're pretty sure
>they are leaky, leave them.   There are only a couple of  these.  I got
>this advice after I replaced mine and my radio works so  there you go. <
>
>Those same capacitors are found in other models, such as the  SX-28. They are
>the AC line bypasses. The braided lead was to obtain the  lowest possible RF
>impedance.

The braided lead caps in a SX-42 are cathode bypasses in the 1st and 2nd RF 
stages.  Their addition to the SX-42 is described in Hallicrafters Service 
Hint #21 , purpose was described as  "Improve image ratio".  I can provide 
a restored copy of this document to anyone who needs it.

73,
Chuck N7RHU