when I first checked train it was on running track had lights and audio,, no movement repaired burnt trace on mother board put back together,, this time with new dcdr board and went to test train this time I used my spare zw trainsformer on test track checked voltage at track was ok coudnt figure out why every thing didn't work now took train to running track worked ok …...found the tfmr had red light removed installed one now as I increased power the red light got brighter found bad connection in tfmr going from circuit breaker to common repaired all ok ……….reinstalled the old dcdr board and it was bad
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