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49-504 voltage drop / pilot lamp spike problem
45philcodon
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Posts: 95
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City: Fountain Hills, Arizona
#5

06-30-2020, 05:38 PM
I agree with RodB. The voltage drop across the 220 ohm resistor between points C and D indicate an additional ~82MA being drawn by the audio output tube.This additional 82 MA would also flow through the lamp causing a significant increase in voltage across the lamp.
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RE: 49-504 voltage drop / pilot lamp spike problem - by 45philcodon - 06-30-2020, 05:38 PM



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