V400HJ6-PE1 Rev.C1,C2 ,C3 VS V400HJ6-PE1 RevC7

Hija Friends.. my tv smart samsung 40" has the lcd panel mod. V400HJ6-PE1 Rev. C7 broken and i need  to replace it but i do not find rhat "Rev.C7" on the market  i just find the same model but Rev. C1..C2..C3..could you, please  help me telling me what is the difference among these REVS..or is there any problem if i install a diferente Rev. From "C7" ..thanks in advance.