Gary -
Quite likely a high ESR in C40, possibly and/or C48. Simply paralleling
a capacitor of similar size across each one should resolve the problem.
73, Garey - K4OAH
Glen Allen, VA
Drake 2-B, 4-B, C-Line& TR-4/C Service Supplement CDs
<www.k4oah.com>
Gary Winkelman wrote:
My 2C has been working fine. This morning when I turned it on, the
audio is rather loud, there's some hum that wasn't there, the AF Gain
control has no control over the volume and when muted by my 2-NT the
hum is louder through the speaker. When the AF Gain control is turned
either full up or full down it breaks into oscillation.
Any idea where the problem might be?
TNX Gary N2UM
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