Damaged Lego RC Unit
 

Hi All,
sorry for my english. I know that this is the gsm forum. But i have a diferent problem, with I can't resolve it.
I have a lego module caled Lego Rc Unit (6293c01 or 6272c01) something like this: //https://www.bricklink.com/v2/catalog/catalogitem.page?P=6272c01#T=S&C=11&O={"color":11}//
The problem is when have turned the power. All engines starts without steering from the RC remote.
I did't find any scheme for this model. I care about this to make it work - it's my own part.
I'll be very grateful for any help.

ps.
I hope I have choosed a good thread...

Regards
Omen