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repair Magsafe DC IN board used in MacBook Pro A1278

the problem is green or Amper LED is not ON. I traced center sense pin a resistor is missing between the center sense pin and the 5th EXT pin of MAX9940 ic, any one can help to find the value of resistor in DC in board

Update (06/03/25)

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Can you narrow down which one of the A1278 you have. Take a look at this listing A1278 systems

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Apple MacBook Pro "Core i5" 2.5 13" Mid-2012, main board number 820-3115-B.

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