[Hallicrafters] S40A

[Carl]

Have you swapped in known good tubes from another radio?

Try an antenna wire thru a 1000pf or so cap and touch it to the RF and mixer 
sections of the variable cap. You may have a switch problem or broken wire.

Carl
KM1H



----- Original Message ----- 
From: "Duane Fischer, W8DBF" <dfischer at usol.com>
To: "Guido" <laffitte at prtc.net>; <hallicrafters at mailman.qth.net>
Sent: Friday, August 06, 2010 9:57 PM
Subject: Re: [Hallicrafters] S40A


> Guido,
>
> Try sending your question to the tech guy found in the tech area of the
> Hallicrafters web site. The e-mail is direct, your answer will come to 
> you,
> not appear on the web site. Good luck amigo -
>
>
> ----- Original Message ----- 
> From: "Guido" <laffitte at prtc.net>
> To: <hallicrafters at mailman.qth.net>
> Sent: Sunday, August 01, 2010 10:39 PM
> Subject: [Hallicrafters] S40A
>
>
>>I have a stubborn S40A that has been recapped, resistors checked and
>> replaced as needed, all voltages and resistance measurements ok, 
>> alignment
>> by the book, IFs checked, tubes checked and still sensitivity is low.
>> Anyone
>> has worked on this set with a similar experience? I have restored about 5
>> S20Rs without problems but this one is special.
>>
>> Best 73s
>>
>> Guido KP4FAR
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