6A483 D
Some components of a three-circuit regenerative circuit tested in troubleshooting:
A.All tubes, power supply voltage, continuity of coils
B.Proper contacting of each position of tapped switches, pigtail connections, shorted variable capacitor
C.Grid leak for open circuit, grid capacitor for short, audio transformer for continuity, jacks & cords, antenna and ground connections
D.All of the above
