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  1. O Scale
    Greetings, fellow O-gaugers: A couple of weeks ago I picked up a used MTH 20-2011-1 Conrail C30-7 at a local train show. Upon reading about the potential corruption of the QSI chip with dead batteries, I promptly bought a new 8.4V rechargeable NiMh battery and opened it up. What I found...
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