So I have about 2 JR recievers Jr600s that used to work but now when servos are hooked up they dont do anything, i know the battery is charged and the servos are connected correctly. The radio I'm using is a JR6102, i JUST BOUGHT A HITEC electron 6 FM reciever and put a ch45 crystal in it and it still doesnt respond to my radio..anyone know what is going on? the radio works with my other jr600 recievers..help!