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I am trying to repair the power board of my Nikon D4 DSLR camera. I found out that there is a bad transistor on the board.

Can you help me identify it?

enter image description here

The transistor is really small. I could only see those dots under the microscope.

Here is an image of the board itself:

enter image description here

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    \$\begingroup\$ how do you know it's that transistor that's bad? (it's not even obvious to me this is a transistor!) \$\endgroup\$ Jun 23, 2021 at 17:03
  • \$\begingroup\$ Take a look at here. \$\endgroup\$ Jun 23, 2021 at 17:14
  • \$\begingroup\$ A friend suggested 'FR' points out that it is a PNP transistor and I used my multimeter to confirm that it is open in both directions (I dont know how to explain this in english). \$\endgroup\$
    – Arji
    Jun 23, 2021 at 17:18

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Could be a 2SA1037AK PNP transistor https://www.rohm.com/products/transistors/bipolar-transistors/standard-bipolar-transistors/2sa1037ak-product

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