EH Scott Radio Enthusiasts

The Fine Things are Always Hand Made

Improved Super XII Tuning eye socket

Comment

You need to be a member of EH Scott Radio Enthusiasts to add comments!

Join EH Scott Radio Enthusiasts

Comment by Kent King on March 15, 2024 at 9:57pm

OK...sorry, storms here last night ook out power and were very distracting. 

Looking at what you have, the red wire is the B+ to the plate (250V) and the wire beside it will be the grid, so those are the two most critical to get right. Two of the 3 remaining wires are the filament (lights the tube heater). If you can use a voltmeter, you will find 6.3V AC between two of the 3 disconnected wires. Those two go to the two large pins on the socket. The other will be a ground, and that goes beside the red wire.

Let me know if you have questions.

Kent

Comment by KIM L BOWERS on March 13, 2024 at 4:10pm

"The orange/red wire attached to a lug that one end of the resistor is soldered to. Next to it is tan with green tracer still attached."

Comment by Kent King on March 12, 2024 at 10:00pm

First...we can figure this out, it isn't hard. Next...that 1 Meg resistor inside the socket - now is the perfect time to replace it. They have always shifted high in value and reduce the eye action a lot. Putting in a new 1M resistor will really help the eye action. Can you identify which (color) wires are disconnected and which pins are and are not connected?

Kent

Comment by KIM L BOWERS on March 12, 2024 at 7:54pm

Well now I did it.  While opening the socket for the tuning eye I manages to pull loose three of the five wires.  Couldn't have left well enough alone as it was working.  There are only two wires still attached to the socket.  Which wires attach to which terminals?

© 2024   Created by Kent King.   Powered by

Badges  |  Report an Issue  |  Terms of Service