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Old 09-01-23, 03:54
David Dunlop David Dunlop is offline
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Join Date: Feb 2006
Location: Winnipeg, MB
Posts: 3,384
Default Sender Resistance Testing

Here are the 10 Resistors in the V1J and V5D Circuits I have been looking into. The data is in order of Circuit Reference, Rating, Tolerance, Circuit and Test Result.

R12A, 250-1/2, 20, T2A Primary Feedback Voltage Div, Tested 8 Ohms *
R16A, 400-1, 20, V5D Cathode Bias, Tested 560 Ohms *
R27D, 5,000-1/4, 20, V1J Cathode Bias, Tested 5,480 Ohms *
R31D, 10,000-1/4, 20, T3A Tertiary Feedback Voltage Div, Tested 8 Ohms *
R37A, 10,000-20, 20, V5A Screen Voltage Dropping, Tested 10,000 Ohms
R41B, 20,000-1/2, 20, V1J Plate Decoupling, Tested 23,070 Ohms *
R46A, 40,000-1, 15, V5D Screen Voltage Dropping, Tested 40,000 Ohms
R49A, 100,000-1/2, 20, V1J Plate Load, Tested 126,400 Ohms *
R56E, 500,000-1/4, 15, V1J Screen Decoupling, Tested 590,000 Ohms *
R61A, 1 Meg-1/4, 20, V5D Grid Leak, Tested 1.178 Meg Ohms *


* To be sourced for replacement.

And the Saga continues.


David
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