k-line engine not working

I have always had 40' s and 50's lionel trains . I know nothing about newer trains  I was giving k-line spirt of conrail  model k2407-2943  the train had lights and

audio no movement.  Read on form about pc board burning open, removed all pc boards off mother board  and found the power input from front roller open  hard wired a jumper as I was wiring jumper I was thinking  it still should of moved because of power from back roller …. put all back together now lights or sound work train does nothing checking the dcdr board,, power in ok but nothing out,,,, bad bridge rectifier traics all look ok getting a new bridge rectifier my question is why did I lose function of lights and audio how does lights and audio get powered up was working till removing all boards from mother board ?Cant find any schematic or wiring diagram and with out that I cant tell how it works... could it be software  old timer needs help

Original Post

The questions are a bit too "off" to be clearly understood. 

My guess is either you are trying to be short and quick, (which many new folk, including myself at one time, tend to do)

OR spellcheck/predictive text changed things and you didn't notice.

Either way, I'm sorry, but I couldn't even take a good guess as is 

 

"Still trying to not shoot my eye out"

 

"Nursing insomnia one railcar at a time"

My aroma therapy? Smoke Pellets.

 





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