[Heathkit] more SB 303

Greg Mijal bluebirdtele at earthlink.net
Mon Nov 13 20:30:44 EST 2006


Yes

Replace the filter with a 100 - 200 ohm resistor and see if the radio will 
run AM in that mode.
If the filter is bad the radio should work ok with the resistor in place of 
the filter.
Check the AM detector circuit too.
You did ohm out the mode switch right?
Glad it's getting better for you.
73's
Greg
WA7LYO
in sunny Feenix

----- Original Message ----- 
From: "A.W. B." <a7bull at hotmail.com>
To: <heathkit at mailman.qth.net>
Sent: Monday, November 13, 2006 2:03 PM
Subject: [Heathkit] more SB 303


> Well the parts for my SB 303 arrived today and after replacing the big 
> electrolytics in the power supply and the 500 uf one on the audio board, I 
> have a working radio! Calibration seems pretty good and she seems pretty 
> sensitive. The only thing badly wrong seems to be a non working AM mode. I 
> get nothing. This unit came with the AM and CW filters, incidently.Hope my 
> filter isn't bad. Any ideas? Thanks.
>
>                          Andy W1AWB
>
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