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well I decided to fool with the IF AGC (a pot on the video IF board). It seems to have cleared the problem.
I need to go thru the hole AGC setup (assuming the sams is correct) I dont think its right. the AGC control on the on the back of the chassis will not cause the pic to tear when fully CW. Maybe I should just leave it be, the noise in the pic seems to be gone, but its late at night, so I better look again after some sleep.
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