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February 28th 06, 11:22 AM
posted to rec.radio.amateur.boatanchors
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TS-940 RF band pass filter alignment
It's not quite a "real" BA but it is heavy.
I know for a fact that my radio's upper two band pass filters covering 14 MHz and up were didled by the previous owner. The 14-25 MHz sensitivity is noticeably lower than other portions of the spectrum, so since I had the radio apart for another reason, I thought I'd give this a go. I've been living with this for about 3 years now so now is the time. Reading the alignment procedure in the service manual is near useless as to which coils effect what. I've verified my misalingment with a spectrum analyzer and sweep generator combo. Does anyone have some insight they could share on aligning this portion of the TS-940? Thanks Bob KB8TL AT YAHOO DOT COM |
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