Hello, i have a kenwood vz907 that got locked. I have seen there is no code to unlock. but i have seen there is a way to do it, replace eeprom chip. where is the chip located. is it in the unit it self or my hide a way units. cant find anywhere. does anyone know where its at and the part number in need to look for in unit to help me spot it.where to buy new one i want to try to fix it myself. what do i need to do thank you