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I forgot to mention that depending on which schematic diagram you're working from, the junction of R3 and R13 in the tuner is connected through R12, a 1K resistor to:
1.) The junction of R192, R167 and C175 off the plate of V106, the 6AT6 AGC amp, if you're referencing the RCA diagram.
-or-
2.) Connected to ground if you're referencing the Sam's diagram from Set 90 Folder 9 dated 3-50.
What's interesting to note here is that in either case the wire from the tuner goes all the way to the area around V106. If it was designed to be connected to ground, why not just ground it at the tuner?
Last edited by Smoky Pond; 02-11-2016 at 09:31 PM.
Reason: Typo
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