SB-100 help...

James C. Owen, III owen at PIPER.EEEL.NIST.GOV
Tue Jul 15 13:48:46 EDT 1997


In message Tue, 15 Jul 1997 08:15:51 -0700,
  "Alexander N. Gerli" <angerli at connix.com>  writes:

> Hi,
>
> Further to my posting on the "dead" SB-100:
>
> Well, it ain't exactly dead any more. Suddenly, the receiver came to
> life. However, while I can achieve S9+20 readings for the calibrator
> signal, normal signals don't move the S-meter hardly at all. The
> receiver doesn't seem to be deaf; there's adequate sensitivity, and the
> alignment seems to be peaked pretty well.
>
> Could there be intermittent contact to chassis ground on any of the PC
> boards which I should particularly look for??

Sandy there is a slide switch on the back that selects a seperate receive
antenna. This switch like most slide switches is nothing but a problem. I
bet if you move it your receive signal will come up to normal. I jumpered
out the one in my SB-100 within a year of construction. 73 Jim K4CGY




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