02-26-2011, 07:33 PM
I've been working on a Model 51 chassis in an attempt to bring it back to the glory it once knew. My latest stumbling block was finding the 1st IF transformer (#12 on the schematic) had a fried primary winding. I inadvertantly miswired it after removing the transformer to replace some bad wiring in the chasis.
I took the assembly apart in an attempt to locate where it had opened up. It was not at the begining as I had hoped. As I carefully pulled off the wire on the winding, I kept finding sections broken. I would ohm out the wiring after each section thinking I would finally find the last break and have continuity. No luck.
So here I am after investing many hours on this set to only to hit a dead end.
What could I use as a suitable replacement for the 1st IF transformer?
Something from another model radio or are there aftermarket replacements that would work?
The good secondary winding, and both windings of the 2nd IF transformer measure out around 156 ohms
Any help would be greatly appreciated.
I took the assembly apart in an attempt to locate where it had opened up. It was not at the begining as I had hoped. As I carefully pulled off the wire on the winding, I kept finding sections broken. I would ohm out the wiring after each section thinking I would finally find the last break and have continuity. No luck.
So here I am after investing many hours on this set to only to hit a dead end.
What could I use as a suitable replacement for the 1st IF transformer?
Something from another model radio or are there aftermarket replacements that would work?
The good secondary winding, and both windings of the 2nd IF transformer measure out around 156 ohms
Any help would be greatly appreciated.
