|
I remember working on those..rca used the tuner shield as common ground point.
I would take a small solid 24wg wire and connect all ground points.
I ran the wire thru the top side and back down. Also soldering the ground wire to the shield frame.
Very time consuming. Rca was trying different types of shield material on being copper. All were plated zinc . I don't know if there was one better than the other.
I left the tv repair trade in 1999.
But your issue sounds like connections.
If u move the connection we're the antenna wire goes in it should make it act up
Hopefully someone here knows more about the improvement rca was trying to make with the shield
|