[Heathkit] HW-101 restoration.

[Philip Atchley]

Hi Ken,

It sounds reasonable to me.  If I moved the right number of decimal places 
that adds up to 50dB of loss through a non-existent filter.  A reasonable 
expectation.

At least it didn't require extensive troubleshooting and teardown 8^)

73 de Phil,  KO6BB
991 Different NDB's heard to date.
MY SWL QSL GALLERY: http://photobucket.com/albums/y123/KO6BB/
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Merced, Central California, 37.3N  120.48W  CM97sh

----- Original Message ----- 

>I am working on the restoration and alignment of two HW-101s here.
>
> Today, while I was doing the alignment of the receiver of one, suddenly
> it required a signal generator input to the antenna jack of around
> 10,000 microvolts to get a reasonable signal output reading.
>
> After I finished the alignment, and decided that I would get the 'scope
> out to follow the signal through the system, expecting to find the
> bandpass filter had opened up, I suddenly realized I had accidently
> operated the switch that chooses either SSB or CW filtering, into the
> CW position...and there is no CW filter.
>
> Once I moved the switch back to SSB, a 0.1 microvolt signal out of the
> HP-8640B is perfectly copyable.
>
> Ken W7EKB