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Got my Lionel set for Christmas in 1952, and my RW has continually worked reliably until this Christmas when setting up for my grandson. The first symptom was no power to the locomotive and all rolling stock lights lit. I figured it was a problem with the red reversing button. Took it to my shop to use my multimeter to check connections inside. Changed the cord plug. Opened the case to check what I could. AC 120 power to transformer fine. Unplugged it. Checked various continuities and connections. Circuit breaker fine. Windings fine. No problems I can find with any of the connections anywhere. All contacts clean and working. Plugged it in (carefully) and found no secondary voltage on any of the terminals. I don't know what to do. It's dead to the world.

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I agree, too, my post makes no sense. It's only now that I fixed it, that I understand what happened.

I wasn't around when the train was hooked up by my son and grandson. I heard the whistle on full blast for a long time. My grandson was jamming on the buttons hard and the train acted like it was in neutral. When we couldn't get it running I assumed the reversing button mechanism was broken or jammed. I took the transformer out to my shop to work on later.

After I changed the plug, opened it up, checked for AC input, and checked for continuity on what I don't really understand, and put it back together, nothing worked. It's like I must have messed up something in my messing around. Feeling stupid, I concluded that whatever was wrong must be something I did in opening it, unbending the tabs, checking the action of relays, looking behind the rectifier, etc. It was in that state that I joined here to post my confused state of mind.

Because of your responses, I looked more closely at the posted schematic from bmoran4 (thank you BTW) which led me to the rectifier. The wire at point B had come unsoldered. I must have done that putting the case back on, and in my somewhat flustered state assumed we would not have an operating train for Christmas because I couldn't fix it. My attitude tanked.

I have just resoldered those connections and the old RW works.

I appreciate your help in saying my post made no sense. It didn't. But next Christmas I will know that this transformer is in my pay grade. I got this.

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