Re: Kenwood SM-230 Station Monitor
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David, Very nice! I had one years ago and wish I had another. It was nice with my 850. Maybe some day I'll have another. Bob W4JFA?
I have tested the SM-230 and it seems to be working just fine. Below are screen captures on the two tone generator input to the oscilloscope function. First is the 1000 hz tone, then the 1575 hz tone with the third showing them combined. The fourth shot is a capture in monitor mode showing the SSB envelope. I'm still learning my way around the scope. Last time I touched a scope was the vintage boat anchor EICO's in high school. Earlier in my ham life I did pick up one of those from a show and I gotta say there's just something about a glowing tube staring at you that gives a warm feeling. It just can't be duplicated in today's LED displays. 73,
David WU3J
Hi, David,
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Congrats on a very useful acquisition!? I went thru this same exercise last year- my unit worked as soon as powered up, but I noted 5 gray electrolytic capacitors on the board with splits and slight leakage.? Yellow replacements from an E-bay dealer were specifically recommended as replacements.? Easy, cheap fix!? If you look for this before you power up, would you please post or DM? me a pic of the interior of your unit in the area of those 5 capacitors?? I? pulled a blue wire loose and cannot figure out where it goes.? (It comes from the BS-8 unit.)
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Good luck!
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73,
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Tom ai4th
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Bob