Restoring a RCA 21CT55

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Originally Posted by miniman82

I don’t see one in Sams or the white book (service clinic) covering this set, but interestingly Sams list the regulator as a 6BD4 same as the CT-100. White book calls it a 6BK4, wonder if this chassis has the same wiring goof the CT-100 has under the regulator socket?

Can you tell me more about “wonder if this chassis has the same wiring goof the CT-100 has under the regulator socket?[/QUOTE]“ to bring me up to speed.