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Mid 2010 Model A1278 / 2.4 or 2.66 GHz Core 2 Duo processor

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IC Logic Board Chip Identification

Attempting to repair a water damaged logic board and found a very small 6 pin gull wing chip that has corrosion that I think is bad. The chip is marked K72X3 and is located just above the USB connector at the middle of the board. I have not been able to find anything at all ac IC with this number and have looked through all of the schematic pages and can't find a chip with this identification. Any help would be greatly appreciated.

Denny

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Denny, the component you pointed out is Q9441 which is a 2N7002DW-X-G diode in a SOT 363 package. Looks like you got some severe corrosion damage. Clean your board well before replacing the diode. You have some more isues around the LVDS connector and multiple other areas. Replacing this diodes may not fix your board, make sure that you check everything else as well. BTW the diode is part of the Display port connector circuitry.

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