hai i'm tsc remember the me who owns the henglong tiger tank which i burn the pcb boar, well good news is that i bought another tank to replaze it,paint it to a new colour. now after i move the main board, for a few days good things, i played the tank all over the house and my backyard, but after 3 days, it stop moving. when i pluc in the battry the tank moves it self, it tried open it up the tank, nothing burn... than sudenly while the battry still plug to the tanks, smoke begins to emmerge, not from the smoke unit but from the pcb, what went wrong? i don't understand, it's new why? any body can give me advice? don't tell me i have to buy new tank? Please if i do need to buy new tank i think i'm going to quit playain tank and start playing rc cars again........