07-26-2022, 07:13 PM
Thanks very much John and Terry. I now have a clearer understanding of these caps.
However, I do have two questions.
The first is regarding the small green wire in the enclosed photo connected to the metal clip. The one end of this green wire does connect to both of the - connection metal clips and then goes to the CT of the transformer but it’s the other end that confuses me. The blue arrows show its start point and its finishing point.
This green wire starts at the same - connection metal clip and meanders all the way to the other end of the chassis, loops around bakelite block 31A and then heads back and is connected to the end bakelite block #19 with resister #9 100K. It isn’t connected to anywhere else along this journey. What is this connection for and do I reconnect it after I replace #78 cap. I was going to use this clip again for the - connection of the new cap after hollowing out the old one.
The 2nd question was, after comparing the caps and resistors on my radio with the schematic I noticed Part #71A, an 8 mfd cap. It’s not on my radio and it’s not on the parts list. I couldn’t find any reference to it in the Service Note Changes that I have. Any advice regarding this part would be greatly appreciated.
However, I do have two questions.
The first is regarding the small green wire in the enclosed photo connected to the metal clip. The one end of this green wire does connect to both of the - connection metal clips and then goes to the CT of the transformer but it’s the other end that confuses me. The blue arrows show its start point and its finishing point.
This green wire starts at the same - connection metal clip and meanders all the way to the other end of the chassis, loops around bakelite block 31A and then heads back and is connected to the end bakelite block #19 with resister #9 100K. It isn’t connected to anywhere else along this journey. What is this connection for and do I reconnect it after I replace #78 cap. I was going to use this clip again for the - connection of the new cap after hollowing out the old one.
The 2nd question was, after comparing the caps and resistors on my radio with the schematic I noticed Part #71A, an 8 mfd cap. It’s not on my radio and it’s not on the parts list. I couldn’t find any reference to it in the Service Note Changes that I have. Any advice regarding this part would be greatly appreciated.
