Garey Barrell <[EMAIL PROTECTED]> made an utterance to the drakelist gang
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Check the filter capacitor for the Bias supply.
73, Garey - K4OAH
Atlanta
Drake C-Line Service Manual
<http://hr99.home.mindspring.com/R-4C_Servicez/>
Bob Henderson wrote:
"Bob Henderson" <[EMAIL PROTECTED]> made an utterance to the drakelist gang
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Hi all
I recently picked up an R4C which I'm now checking out. It's in pretty good
all round condition and for the most part seems to work well. However, I
notice a particular problem with the agc. If I set agc to medium or slow
then all appears well but if I select fast the rx sounds awful. I scoped
the af output from the rx and notice that when fast agc is selected, the
audio output appears 50% modulated by a ~150 Hz ripple. It's not
immediately obvious to me where that is coming from.
Something is clearly not right here. I wonder if any of you fellas have
seen this before?
73, Bob, 5B4AGN
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