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Trouble shooting help

http://www.arrl.org/files/file/Technology/tis/info/pdf/8202040.pdf

I ran across this article By George Collins KC1V (there are 3 parts), and it helps shed some light on the subject.
My questions are that everyone suggest using a signal tracer over cost of using a scope.
I have a scope and a RF generator and a signal generator.

In tracing an AM signal could I inject a signal thru the mic pins/ or circuit and test each component in the path using the scope as a rf probe?
If so, how and what would the signal be?
 

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  • @ Hambones amps:
    Does anyone know if you can replace the 2290 in a galaxy dx 93t twin turbine with a 2sc2879 red dot? If so, what would have to be tuned?
  • @ ShadowDelaware:
    Hambones the entire amp section would have to be retuned, and the rf transformers re wrapped.