[Hallicrafters] More SX99 questions

[N8IE]

THANKS!
I un-wired mine and let it loose near the pin and it works fine.
I guess I need to secure it so it does not move when bumping the radio
around or moving it.

You guys a great, thank you all!

73
Dan, N8IE 

-----Original Message-----
From: hallicrafters-bounces at mailman.qth.net
[mailto:hallicrafters-bounces at mailman.qth.net] On Behalf Of rbethman
Sent: Tuesday, February 03, 2009 4:11 PM
To: hallicrafters at mailman.qth.net
Cc: ANTHONY CASORSO; n8ie at woh.rr.com
Subject: Re: [Hallicrafters] More SX99 questions

Dan,

The end that you found loose?  Do NOT solder it!  It is indeed the
"gimmick"!

The insulated wire is simple left extended outside the shielding.  I just
pullked mine out of its cabinet.

Bob - N0DGN

n8ie at woh.rr.com wrote:
> Thanks Bob,
> Can anyone confirm this easily?
>
> When the problem first happened, switching the AM\CW switch made no
difference and only a local broadcast station could be heard with the volume
cranked. I found the wire loose and soldered it back to V5. This fixed the
problem except now when the AVC is on, I get a loud squeal, but the
sensitivity works fine otherwise. Sounds like it just slipped far enough
away from the tube to loose coupling.
>
> I appreciate all the help guys!
>
> 73
> Dan, N8IE
>
> ---- rbethman <rbethman at comcast.net> wrote: 
>   
>> Yep, that is "another" method of creating a gimmick.
>>
>> If I'd dig out my SX-99 and look, I could confirm it.  It is sort of 
>> buried right now.
>>
>> Another project with too little time.
>>
>> Bob - N0DGN
>>
>> ANTHONY CASORSO wrote:
>>     
>>> I the Halli sets I am familiar with, the gimmick is just a piece of 
>>> standard hookup wire stripped on one end only. The stripped end is 
>>> soldered per usual but the other end is just wrapped around a tube 
>>> socket pin to provide a few pf of coupling. It should not be 
>>> connected directly.
>>>  
>>> Tony
>>>
>>>       
>>>> Date: Tue, 3 Feb 2009 14:10:22 -0500
>>>> From: rbethman at comcast.net
>>>> To: hallicrafters at mailman.qth.net
>>>> CC: n8ie at woh.rr.com
>>>> Subject: Re: [Hallicrafters] More SX99 questions
>>>>
>>>> Dan,
>>>>
>>>> A "gimmick" is a low value capacitor that is made by twisting what 
>>>> is usually enameled wire a "few" turns. They were normally a low 
>>>> voltage component.
>>>>
>>>> Bob - N0DGN
>>>>
>>>> n8ie at woh.rr.com wrote:
>>>>         
>>>>> While working on getting the SX99 back up and running I have
>>>>>           
>>> another question.
>>>       
>>>>> One of the main faults was the wire running from pin 3 of V5 to
>>>>>           
>>> pin4 of V4 came off. It did not look like it was originally on very 
>>> well to begin with.
>>>       
>>>>> This wire is shielded and in the schematic is listed in part as
>>>>>           
>>> C38 Gimmick 2uF.
>>>       
>>>>> Exactly what is a "gimmick" capacitor?
>>>>>
>>>>> Thanks es 73
>>>>> Dan, N8IE
>>>>>
>>>>>           
>> --
>> Bob - NØDGN
>>
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>>     
>
>
>   

--
Bob - NØDGN

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